Lb7 to lbz harness. Hook up your 2003-2007 Chevy/GMC LB7 6.

Lb7 to lbz harness thanks, Dieselval Dec 13, 2023 · Sorry If this has been asked a million times before, but I was told that there are differences between the '01-'02 and '03-'04 lb7 motors and wiring. Mar 31, 2014 · I have a 2002 lb7 and was given a 2003 lb7 engine harness. 6L Duramax diesel, including information on diagnosting glow plug system related faults, reprogramming fuel injector codes to the glow plug control module, and isolating the main cause of problems related to the glow plug system. Choose your platform below. (Ground, 12V Constant, 12V Key On) Delphi Fuse Block including Relays for ECM Jul 9, 2008 · Position the new injector harness bracket to align with the bracket bolt hole and secure to the harness with electrical tape. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. 6L Duramax is a direct replacement for GM Part Number: 97378671 (MY 2006-2010) and 97327685 (MY 2001-2005). Clear diagram showing the location of glow plugs on Duramax engines. Thanks, Mark This fuel rail pressure pigtail harness is compatible with the 2003 – 2012 5. 70 Qty Nov 16, 2012 · The FICM wire rub is a problem with 04. Ways to identify this engine: – Injectors and injector harnesses under the valve covers – The FICM (fuel injection control module) will be located on the front of the passenger side valve cover * We do not offer this harness without ECM tuning as every setup is tested before it gets sent to you and requires our proprietary solutions. Jan 24, 2016 · Hey guys! Glad to be back. 5-2005 LLY and LB7 to 2006-2007 LBZ. When you put the regulator in you will see real quick why the line has to be bent. The LLY's have an issue with the injector harness on #7 and #2 going bad. See if you qualify at checkout. The motors are almost identical and there is some minor pin changes in the harness but a lmm can be run of lbz electronics. Thank y'all in advance, Nick. 5-05 LLY swap to 01 LB7 truck. 2015-2016 drivetrains will require a 2011 Jul 10, 2016 · Hey guys, Can anyone tell me what your resistance is from the harness to the injector i tested all of mine and i have one injector that is 18 ohms compared to the rest being . You'll also need to do something about the intake. We did a duramax swap into a 61 c10 and while we have the stock harness out of the donor truck we want to do a standalone just to get rid of a bunch of crap we dont need and for a cleaner look under the hood. moved like 4 in the female c100 and Dec 21, 2011 · Hi guys! I've got a bit of a wild plan on the go I just bought myself an 02 LB7 truck with a ZF6. 5 and 2005 models. The LBZ Intake Heater grid fuse and fuse holder Oct 3, 2021 · The LBZ Duramax is the most prized/sought-after of the motors. If not the truck will crank/die about 7-10 times before starting. Just a little confused with the ECM pin out. 6L LB7, LLY, LBZ, LMM models 97378671, 97327685. Yep other adding a 2 data lines and wiring the tap shifter in. Nov 8, 2017 · I can't find a definite answer on the gas pedal some threads say yes others say no. This Product is a pre-built Standalone Harness built from a good used OEM harness and designed to run your 2006-2007 LB7 engine and Allison 6 speed transmission (it may also be configured for engine only for use with manual translate or other standalone transmissions) Feb 25, 2024 · Try to find all wire harnesses, modules and parts for an 06-07 truck. EFILive does not and cannot warrant that the information is correct. (the 04-05 LLY injectors fit right into LBZ/06 LLY heads) 2. Oct 16, 2005 · VPW Controllers LB7 and LLY controllers use a communications platform that is not very robust and was replaced in 2006. I Home 2001-2004 LB7 2004. The normal turnaround time is 2 weeks. Apr 15, 2014 · Lly, lbz, lmm heads on an lb7? Jump to Latest 11K views 9 replies 7 participants last post by WVRigRat08 Apr 14, 2014 jacked-up_redneck Discussion starter Mar 28, 2014 · Wondering if anyone had a wiring pin out for the bail connectors on a 2006 lbz. hose is diff. Add Park Neutral Position relay LB7 and LLY only Identify Back Up Lamp wires on PNP switch label at pcm. 5 Pin Connector Fits: 2001-2007 6. Apr 3, 2009 · So basically, yes. OEM ECM/TCM harness for trucks equipped with a Duramax engine mated to an Allison Transmission. THIS ALSO GIVES US THE OPPORTUNITY TO INFORM YOU ON AN APPROXIMATE LEAD TIMES BEFORE YOU SUBMIT AN ORDER. Please select your truck's year and config Oct 30, 2010 · The LBZ Intake Heater grid fuse and fuse holder need to be added to the LB7 as well. Potentially the most important piece of the puzzle is a having the proper ECM calibration to not only work with your specific application (trans type, emissions equipment, intake/exhaust) but also with the goals of your vehicle (race, show, tow, marine). As in swap to run just about everything 04. Is it possible or even feasible to swap out a lb7 for lbz or lmm or to much work. moved like 4 in the female c100 and Mar 7, 2021 · Here are the haynes wiring diagrams for Duramax diesels between 01 and 12. Mar 30, 2016 · About this item GlowShift Rail Pressure Gauge Pigtail Harness Connects to Factory Sensor & Sensor Harness Eliminating the Need to Splice to Factory Wiring for a Clean Installation Compatible with 2003-2012 Dodge Ram 2500 3500 5. On the efi live tutorial, it states you have to use 2 pins on the large connector as well as 6 on the small connector BUT on diesel place it shows (thanks to biodiesel66) C2 -- OBDII P1 -- P16 pos. Within an hour I was flashing my Bosch ECM and 6 Feb 25, 2024 · So the truck is still LB7 powered, LB7 dash but with an 06 body? Man, people do some weird stuff sometimes. Has anyone crimped a new end on?? Picture shows glow plug internals along with the crimped end that came out Can an LB7 be swapped with an LBZ or LMM in a 2002 Chevy Crew Cab Dually? Summarized by AI from the post below LB7 Nation Michael Dorrer󰞋Jun 22, 2021󰞋󱟠 󰟝 I have a very low mileage 2002 Chev crew cab duelly . So should I use the LLY harness and swap over the LLY fuel rails as well as the intake manifold? This Product is a pre-built Standalone Harness built from a good used OEM harness and designed to run your 2001-2004 LB7 engine and Allison 5 speed transmission (it may also be configured for engine only for use with manual transmission or other standalone transmissions) Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Transmission leaking by wire harness? This is an easy to install fix if fluid is present in your connection. Useful for troubleshooting, maintenance, or replacement across different model years. No Returns on Electrical Harness. Where to go? I had a hard time with a LBZ and it was suggested to me to get a bench harness. My other option is to sell my L5P motor and transmission and just have the LBZ rebuilt or get a crate motor. Feb 15, 2019 · I have the LBZ pedal, but the LB7 / LLY connector - can anyone discribe both connectors (wiring diagram)? I need put the connectro from harness (10 pins an 6 used) to pedal (6 pins in row) May 17, 2010 · okay so i have a 2003 lb7 ccsb 4x4 and a 2006 lbz motor ecm, tcm, harness, and we (me and Chris Bibby @ C and P equipment) are swapping my engines it started out slow but now we have the harness and motor in the truck but i have heard two different stories and need to know which will work if either (one has too) option #1 Talked with a guy named Jeff @ Fleece performance as far as what i Jun 11, 2024 · I installed the LBZ engine and ECM, TCM main engine harness all the way back to the transmission and transfer case. 6L Duramax is a direct replacement for GM Part Number: 97378671 (2006-2010) and 97327685 (2001-2005). So the truck is still LB7 powered, LB7 dash but with an 06 body? Man, people do some weird stuff sometimes. 3. Sep 6, 2016 · So while replacing glow plug 8, the internals of the glow plug came out and the harness end came with it. LBZ would need everything the LLY would need plus TCM and either a complete transmission or This Product is a pre-built Standalone Harness built from a good used OEM harness and designed to run your 2006-2007 LB7 engine and Allison 6 speed transmission (it may also be configured for engine only for use with manual translate or other standalone transmissions) New CP3 pump wiring harness for your 2001-2010 GM Duramax 6. Oct 16, 2005 · The information provided in this document is intended as a guide only. It was the weirdest thing where I could communicate and pull out the factory program in the accessory (one click forward) position, but no luck programming the truck in any key position. Similarly our wiring harnesses and electrical systems facilitate a clean trouble free install. Decided against buying a new Jun 26, 2013 · Hello all- I decided to put this together after finding that when i needed a how to on how to perform the injector ice pick operation in a time of need on the side of the road i was surprised that i could find very little information on this site that clearly depicted how to do this with decent Jun 26, 2025 · You may also like FOR 6. 02. Jul 26, 2016 · You will need Motor, motor harness (body and fuse box side) Trans, shift bracket, shift arm Tap shift leaver Throttle petal, petal harness, petal bracket Cluster (optional) ECM/TCM No need for the whole cooling system, the LB7/LLY lower radiator hose fits the pump, tight but it fits. This update kit fixes the bad wiring, correcting the problem. 5-2005 LLY 2006-2007 LBZ 2007-2010 LMM 2011-2016 LML 2017-2024 L5P Apr 4, 2012 · I think the 03-04 LB7 guys are able to plug and play (use this very loosely) where as the 01-02 LB7's looking for the switch have to use a LLY harness with the ICM out of the LB7. 5 LLY. We modify Your Duramax (LB7, LLY, LBZ, LMM) Engine Wire Harness for use in your swap project. Feb 12, 2010 · I just finished up most of the minor details of my LLY to LBZ conversion in my 2004. These harnesses are subject to extreme heat and are often targets for rodents. You May 22, 2011 · Have to swap to the LBZ injectors, ECM & TCM, the egr intake to get rid of the butterfly valve, reprogram the GPCM, MAYBE a LBZ engine harness (I'm un-sure of that, as I don't have a LMM wiring diagram on me atm. if I cant can I still cut the wires going to the glow plugs and the power cable off, and leave the rest of the big plug? Oct 28, 2025 · DHD 700-97327685 UPDATED DURAMAX CP3 REGULATOR JUMPER HARNESS 2001-2010 LB7 LLY Dirty Hooker Diesel Performance (2005) 99. Will also need chassis harness to rear for 03-07 truck. I was wondering if anybody could get me a wiring diagram (schematic) for an 02 lb7. 6L Duramax LB7 LLY LBZ LMM LML L5P A leak from the harness is most likely due to this connector failing. -- Just to give you a general idea. I added to it for the LLY and LBZ. All custom. Off the top of my head that's about it, but I haven't done much research into it. This product features a one year warranty. Feb 15, 2019 · I have the LBZ pedal, but the LB7 / LLY connector - can anyone discribe both connectors (wiring diagram)? I need put the connectro from harness (10 pins an 6 used) to pedal (6 pins in row) May 17, 2010 · okay so i have a 2003 lb7 ccsb 4x4 and a 2006 lbz motor ecm, tcm, harness, and we (me and Chris Bibby @ C and P equipment) are swapping my engines it started out slow but now we have the harness and motor in the truck but i have heard two different stories and need to know which will work if either (one has too) option #1 Talked with a guy named Jeff @ Fleece performance as far as what i Feb 6, 2009 · 03 2500hd lb7, ccsb, robs trans safe tunes, Airdog 165, profab horn, 4in straight piped, ppe gauges, cognito control arms and braces, banks big head waste gate, batmowheel in the stock IHI. 5-2005 LLY to LBZ conversion harness on order to simplify that part of it and Jul 26, 2013 · To put an LBZ (or 06 LLY) long block in an 04-05 LLY truck, you need to: 1. Sometimes this can leave your truck in limp mode or even stranded. If you are out of warranty for the LB7 injectors, I would definitely recommend doing this swap because after doing the injectors once or twice on an LB7, you could have paid to swap an LBZ in. The 03-07 trucks communicate different then the 07. Every harness is completely cleaned, degreased and power-ground circuits are load tested. I bought a 75k mile donor vehicle which had electrical issues due to the wreck (couldn't get comms between the ECM (which was hit in the accident), BCM, and Fleece Fuel Pressure Regulator, FPR, Wiring Harness For 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 GM 6. Feb 25, 2024 · so with a 03-06 Frame wiring harness to finish everything off so it's a true 06 LBZ? and would this fix the wiring issues I'm running into with the truck not starting, communicating? any type of feed back would be amazing I've searched thru all the forums and most the LB7's to LBZ's swap were done on a 03 LB7 truck. This is the Complete Chassis wiring Harness, which connects to ECM & Fuse Block Sections, Transmission, Transfer Case, Coolant tank sensor, A/C, Mass Air Flow Sensor, Bail Connectors and others. Swap over the 04-05 front timing cover, water pump, etc. Tighten Tighten the fuel injector harness bracket bolt to 10 N·m (89 lb in). Fits: 2001 thru 2010 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7/LLY/LBZ/LMM Duramax Diesel Fuel Pressure Regulator (FPR) harness for the 2001-2010 6. I believe this is what is causing my P1261 DTC issue. 00 Fleece Allison 1000 Harness Pass Through Connector Seall. (Ground, 12V Constant, 12V Key On) Delphi Fuse Block including Relays for ECM Apr 25, 2020 · G’day, I am chasing a wiring harness schematic For an LB7 if someone could email it to me? Or post and accurate link. Dec 10, 2009 · Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Explore Our Forums General Discussions 01-04. Does anyone here know what all would be involved with GM OEM Chassis Wiring Harness. It was an all-new engine developed by Isuzu, of which GM owns 37%. 5-05 LLY injectors, ecm, ficm, turbo, etc Ok well I'm going to try give summary how I did 04. All harnesses have been removed from running and driving trucks with no issues. Batt. Nov 30, 2015 · BT DieselWorks has developed a custom adapter harness that easily plugs inline with an LBZ engine harness and 2003-2004 body harness to make installation of an LBZ into your 2003-2004 truck a snap! No cutting, no splicing, no swapping pins around. Changed 3 wires in the C100 connector, added the 2 high speed twisted wires to the ODB. 29 Qty Add to Cart Allison 1000 Deep Filter Lock, LB7 LLY LBZ LMM LML L5P, 2001-2018 Duramax (0) Reviews: Write first review $29. Shop Aug 18, 2021 · I hacked up my LLY engine harness and modified my LB7 harness to go with the injector connectors for the LLY, I did an AMAZING job, it looks factory. 6L Duramax to be standalone and operate with a 3 wire hookup, turn key. 7L Cummins - 2002-2018 Duramax LB7, LLY, LBZ & LLM Features 2 Plugs that Connect to the Rail Pressure Sensor & Rail Pressure Sensor Harness - Length of 6" with 9 Dec 1, 2019 · Hello All, I'm in the middle of an LBZ swap into a 4 door Jeep conversion w/ a flatbed, full roll cage, roof rack, etc. Oct 30, 2010 · On the C2 harness under the fuse box, there are two orange wires that need to be moved to match where they were on the LB7. In some applications LB7 LB7s were used from 2001-2004. -This Is Aftermarket Replacement Item Not Original Part. Purple Tap shift wire (haven't figured out where the pink one goes yet). So getting the schematic is near on impossible from local avenues. Mar 7, 2011 · That's an lb7 harness, the lbz harness is pretty much the same with different wiring and tcm and ecm plugs for the new controllers. 5-2005 LLY swap. The options may be chosen on the product page Mar 25, 2013 · I plugged my LB7 harness directly into the LBZ regulator. Produced in-house, the Fleece manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the highest Dec 26, 2016 · I have a 04 GMC lb7. I've been told the oil pressure sensor plugs into the engine harness and I been told May 26, 2011 · Here are my questions. com for all your Duramax needs. 7L Cummins and 2002 2018 Duramax LB7, LLY, LBZ & LMM diesel engines. 6L Duramax diesel trailer brake controller with the GM Wiring Harness for Prodigy Brake Controller. :confuzeld I am interested in all the different engine model harnesses if available. It was a pretty simple swap, and I would do it again over LB7 injectors in the truck anyday, lol. Our system includes a brand new OEM GM harness that has been modified by Standalone Harness to our specs and fully reloomed to OEM specifications. 2 wires to the ECM for EFI Live switch. This is a new accelerator pedal and pedal harness. Trying to get a lmm to work in a lb7 you would have to swap damn bear Mar 28, 2020 · I'd just jump straight to a LBZ, but that's me. Kit Includes: Injector #7 wire lead Injector #2 wire lead Wire harness brackets Bolts Connectors GM part number: 98017958 Oct 8, 2014 · Anyway, I found what I believe to be are the right harnesses at ebay but will buy here if it is a match. Swap Specialties builds a brand new setup that will allow your LB7, LBZ, or newer 6. You'll need instrument panel wiring, cluster, throttle pedal, shifter, etc. then there is some re-wiring to do in the UBEC under the fuse box which was really easy. 6L Duramax. You have the main harness, TCM, ECM and I'd assume GPCM. There is a plug that is yellow on the inside behind the ac compressor but it's off the Fuel Injection Control Harness. 9L & 6. Connections include: TCM, ECM, Fuse Block, A/C Condenser, Coolant Reservoir, Mass Air Flow Sensor, Transmission and Transfer Case. :thumb: But seriously, I don't get the whole convert one duramax to another duramax thing. Very simple swap, you should be able to find an engine/trans/wiring harness combo on ebay for 5-6 grand or so. This was back in January. Sep 18, 2018 · Hey all, So l am having major issues with my harness in short. The GM 97207227 Inner Injector Harness is a factory replacement for your 2001-2004 GM 6. Sold Individually 4- Needed for entire engine replacement. I’d like to see if there are harnesses that are capable of integrating with the 06 electronics. Comes labeled, tested, and with a lifetime warranty. anybody please help Venezuela ATTACKS the WRONG US Aircraft Carrier - Then THIS Happened I Surprisingly Turned My LLY Into an LBZ Duramax! *Must Watch* Swapping LB7 Duramax Injectors is So Easy a Child Could Do it! $23. Feb 12, 2010 · This is a smart man, right here. Fluid will get into the connector and cause issues like erratic operation, codes and limp mode. I can email the log if anyone would like to verify for me that it is the ecm pulling fuel. Swap Specialties builds a brand new setup that will allow your LB7, LBZ, or newer 6. 2% positive Nov 2, 2018 · Mass Air Flow (MAF) Wiring Harness Pigtail Connector. com has worked to develop the cleanest solution for wiring your L5P Duramax drivetrain for simple operation with nothing more than power, ground, ignition and cranking signals. 5 LB7 Forums 01-04. This harness is all brand new, hand built, and has GM’s design layout flaws fixed so the common issues will not happen ever again! Direct replacement- take your bad harness off and install this right in its place. If your connector is missing its retention lock its best to replace it. Jan 4, 2011 · LB7/LBZ wiring problems Hey Ramrod; Thanks for the help. 󰍸 󰤦 2 󰤧 󱎖 What are the key Both 5 speed and 6 speed Allison Transmissions are controlled by a separate Transmission Control Module which defines the operation of the trans including shift speed control and also torque and RPM limiting. I read the Hark write up using an LLY in an LB7 using LB7 turbo, intake and ECM/FICU. . The lower rad. ** Dmax Swap LML standalone solution supports 2011-2014 LML/Allison drivtrains as well as 2015-2016 LML/Allison drivetrains. My buddy swears that they're the same but I've heard different. im taking my glow plugs out and I wanted to take the controller off too. Simply get the engine and transmission in place, plug our wiring in and hit the key-its that simple. I swapped the crank & cam sensors as mentioned in the threads. 6L Duramax LB7 LLY LBZ LMM Replace# 97378671 How to identify what we need, how to remove it and some other great information about the ECM/TCM harness, upper engine harness and moreAn LLY used in thi Mar 11, 2011 · This is the c100 harness side (Male). Try to find all wire harnesses, modules and parts for an 06-07 truck. 6L V8 engine has a cast-iron block with an aluminum alloy crankcase and cylinder head, 4-valves per cylinder (32 valves total), wastegate controlled turbocharger, gear driven water pump, and an electronically controlled Bosch common Mar 5, 2022 · Ever wanted to do an LB7 vs LBZ comparison? Well, your dream has just come true! Ok, corny jokes aside, in this post I will be doing a comparison between these two OEM Duramax MAP Sensor Wiring Harness | 97251137 | 2001-2007 GM Duramax LB7 / LLY / LBZ 6. For 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 GM 6. 00 through $5,275. Apr 18, 2017 · -LBZ "on engine" wiring harness (the harness with the fuel injector connectors on it) *Check -LBZ "underhood" wiring harness (the harness with the LBZ ECM/TCM connectors on it, as well as the long tail that goes down to the transmission) For complete compatibility, a throttle pedal conversion is necessary: Petal PN#15233970 Petal harness PN Nov 12, 2015 · The lb7 sensor threads are different so it will not screw into where the lbz sensor is. DmaxSwap. Mar 16, 2016 · This harness you described is referred to as the truck side engine harness and yes you will use the entire thing to replace your lly harness. Wiring harness only, MAP sensor not included. LB7/LBZ so I cut the two in the center, inserted a 2" SS tube bead rolled on both ends. It also comes with a New ECM with custom calibration. Said he pulled on the harness and it started firing again below the AC lines. High resistance repairs could lead to idle fluctuations and erratic engine rpm. I’m in Australia building a drag car out of a Dodge Dart. Fleece's Fuel Pressure Regulator (FPR) harness for the 2001-2010 6. 00 Select options This product has multiple variants. Fit fine after I bent the fuel line to clear it. ). A little over a year ago I got new injectors, the truck ran fine just smoked at idle. May 18, 2010 · In order to swap the LBZ into your LB7, you'll need a LBZ accelerator pedal and harness. The preferred method of reading and flashing LB7 and LLY controllers is to use a bench harness. wanting to see what the difference is betw the 2. Jun 8, 2025 · Introduction: This guide will demonstrate the procedures to install the LBZ/LLY fuel pressure regulator in the LB7 duramax. 8 required for entire engine replacement. 6L ACDelco / GM Genuine Parts Feb 7, 2007 · After plugging everything up I can't find the plug that plugs into the oil pressure sensor. Inner Injector Harness, sold individually. Mar 29, 2017 · I looked into the wiring kits offered by BT and I didn't see any kits that convert a 2003 LB7 to a 2006 LLY. Just a couple of questions; Is there an easy way to switch the wires in the C100 wire connector without GM's removal tool? Do you run two separate wires for the GM LAN + and -? If so, do you just run 12 volts to the + and ground the -? 12 volts key on? Thanks alot! Feb 24, 2025 · LB7, LLY and LBZ. It is a simple fix to use a piece of heater hose around the harness, or a more elaborate fix like the poster shows. DHD 700-97327685 Updated Duramax CP3 Regulator Jumper Harness 2001-2010 LB7 LLY LBZ LMM 97378671 (0) Reviews: Write first review Condition: New $105. Disconnect the negative terminal from both of the truck’s batteries. Hook up your 2003-2007 Chevy/GMC LB7 6. Jul 26, 2023 · I want the oomph of an L5P without having to rebuild an LBZ, trans, and upgrade associated parts; turbo, exhaust, piping, etc. This example is an LMM Duramax, without the transmission portion, but the installation to the upper engine harness and power source to make the Duramax run is basically the same for all LB7, LLY, LBZ, LMM and LML applications. It started but ran like a old tractor and wouldn't rev past 2k. The LB7 & LLY is down on the side of the head. DHD always recommends replacing this complete harness section rather then doing wire repairs. LB7 LLY LBZ LMM LML L5P. 5 and later. It does not work for LBZ and up. Can someone please chime in some info. sorry it's more like long ZZ Diesel Allison 1000 Pass Through Connector Body For 2001-2018 GM 6. I had a head GM tech and fellow LLY owner look over my truck as I was only firing on 7 cylinders. It can be done but it would be easier to use a lbz ecm and tcm. Harnesses are used and reflect signs of age and use, such as dirt, oil, and degradation of wire loom. Produced in-house, Fleece's state of the art manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the highest quality replacement parts you need to get your truck back on the Allison Transmission 29541371 LB7 Internal Transmission Wiring Harness Pay over time with Affirm. Tighten $ 4,975. It is a nice harness with clips for a power source and an on / off toggle switch with a light for the ignition on signal. What's the point? :confused: Winding up an LBZ to 6000 RPM's is something I like. Please see universal pedal. I have a wire pin out in one of my threads on here, think it was called "LB7 to LBZ wiring" or similar. 6L Fuel Pressure Regulator Connector Harness LB7 LLY LBZ LMM 0928400535 Product Description -Pls Check Manufacturer's Part Number (Usually Stamped Into Plastic Or Body) Before Ordering. Yes on the underhood wiring too. Nov 24, 2007 · To make my bench harness I started with a 99-05 LS1 / Truck harness from Speartech which works on the LB7. Question is: If I want to build a frankenstein motor to put in my 2001 LB7, should I use the later block/crank from an LBZ with the better Aug 4, 2012 · I found some info on the internet about using lly heads and injectors on a 02 lb7 and using the lb7 ecm and ficm to run it using lb7 intake and turbo basicly just swapping heads and injectors and making a custom wiring harness from the ficm to the injectors and haveing the ecm retuned for the GM LBZ Chassis Wiring Harness. I have the engine, harness, and ecm in from an LBZ. 6l LB7 LLY LBZ Duramax engines found in Chevy/GMC 2500/3500/4500 & 5500 applications. The Chassis harness mates to the engine harness at the Bail Connectors, and runs all the way back to the Transfer case. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Explore Our Forums Home Forums Chevy / GMC Duramax 01-04. Each Harness connects to 2 injectors, and comes thru the Valve cover. Jul 17, 2007 · Bench harnesses wanted. 5 LB7 Duramax Powertrain Apr 20, 2011 · Thats really it for parts, i used my lb7 intercooler, radiator and made that all work, i had to put the lb7 fan on the lbz motor cuz the lbz fan is larger and will not fit in the lb7 shroud. The intake manifold on the LBZ is different than my LLY so my banks boost tube will not fit. 6L Duramax LB7. then I have to switch the injector ends over to 2005 lly injector ends. I use a 15 amp power supply from Radio Shack. For 2011-2014 drivetrains you can supply your donor harness and modules for tuning. Also the LBZ wiring harness has a lot of plugs that go no where on my truck and dont fit. 5 LB7 Duramax Powertrain Nov 17, 2014 · ive been reading about if you can or cannot delete the gpcm on a lbz. Apr 20, 2011 · Thats really it for parts, i used my lb7 intercooler, radiator and made that all work, i had to put the lb7 fan on the lbz motor cuz the lbz fan is larger and will not fit in the lb7 shroud. *It is advisable to call Factory replacement inner injector wire harness. 99 Add to Cart Nov 11, 2014 · This write-up is for guys with 2001 or 2002 LB7 truck that want to do complete 2004. Install the cylinder number 2 glow plug harness connector and nut. 00 Price range: $4,975. How to replace the glow plug module on a 6. 5-2005 LLY 2006-2007 LBZ 2007-2010 LMM 2011-2016 LML 2017-2024 L5P Mar 4, 2011 · If you had an LB7 truck that needed an engine, what would be involved w/ replacing it w/ either an LLY or LBZ engine? Any differences in fuel system, wiring harness, PCM, etc? Would I need to get the complete wiring harness and computer w/ the new engine? Direct bolt in? Anyone ever done it This harness connects to the fuel pressure regulator on the CP3 and the engine harness. Through custom tuning these TCM we can achieve custom shift points with respect to vehicle speed and throttle position, as well as WOT shift points and RPM limits. Aug 18, 2021 · I hacked up my LLY engine harness and modified my LB7 harness to go with the injector connectors for the LLY, I did an AMAZING job, it looks factory. This is on the actual LBZ harness (This is a LB7 harness as my LBZ harness STILL hasn't arrived :/). I think the key is that the 2006 LLY was mated to a 6 speed, unlike the 2004. The LB7 was done 2001 to 2004, I believe and the harness for the 2001 and 2002 are the same. LB7 Engine The GM Duramax diesel engine (Figure 1) was introduced in the 2001 model year. 5 Pin Connector Mass Air Flow (MAF) Wiring Harness Pigtail Connector. 2001-2007 6. moved 1 wire in the c2 block. Finally getting round to building my harness and doing dsp5 on my spare ecm. Apr 16, 2016 · I also built a stand alone harness for an LB7/Allison combo that was installed into a '29 model A which I integrated into a wiring harness I had to build for the rest of the car with a complete fuse box I had to put together. The GM 97251137 MAP Sensor Wiring Harness is a direct replacement for your 2001-2007 GM 6. DHD's updated regulator jumper is designed to replace Mar 25, 2013 · just wondering whats involved in installing a LBZ fuel pressure regulator in a LB7? i was thinking about EFI live DSP5 tune and was wondering if it just has to be tuned for it, and if it runs fine with it. The LBZ's intake comes up from the CAC to the engine in front of the right head. LBZ cluster set to my truck (LB7) VIN. I want to put the ZF6 into my 07 Silverado Classic LBZ truck and put the LB7 into my 95 Chevy Tahoe with the Allison from my LBZ truck. Lead time Nov 25, 2016 · I don't have the correct BCM currently, and I haven't gotten a reply from Ben whether he makes the LB7 to LBZ harness's anymore. The later trucks use high speed data where the older ones don't. I'm hoping it'll beat your donor truck to your house for I can actually make a video and send it to you. On the C2 harness under the fuse box, there are two orange wires that need to be moved to match where they were on the LB7. Found some for a 2003 LB7 to 2004. The return line that hooks to the passenger side block and goes over to the popoff and teh other side will be right against the regulator plug. 6L Glow Plug 2006-2010 DRX00057 $17. Engine harness goes on the engine (duh) and includes the 2 main bail harnesses, injectors harness, etc. In many cases, these controllers fail with factory tools and will be unrecoverable. I replaced the injectors and put it back together. At the top of this electrical section is some Duramax wire diagram manuals you can download to help you along The conversation is about replacing cab harnesses in a 2004 LB7 truck and whether an LLY or LBZ harness would work, with comments suggesting where to get the harness from ALL PROSPECTS AND RETURNING CLIENTELE ARE REQUIRED TO SCHEDULE A TELEPHONE CONSULTATION PRIOR TO SUBMITTING AN ORDER. not a 02. If I do need it, I need to see If I can get it from the donor truck before it disappears I have the BT DieselWorks 2004. New Replacement to fix the factory harness issues. We are now offering Duramax LML standalone solutions. thanks in advance. I then took it back apart and only found injector lines to be loose. TELEPHONE CONSULTATIONS WILL ANSWER YOUR QUESTIONS AND ENSURE YOUR BUILD IS HEADED ON THE RIGHT PATH FROM THE START. Install the new injector harness bracket and original bolt. If you have instructions for just the standalone harness that would be great Mar 9, 2017 · The TCM needs to be powered up as well. 00 – $ 5,275. The 6. i ask because i have a brand new LBZ FPR, and if i don't have to buy a new LB7 one that Mar 7, 2021 · Here are the haynes wiring diagrams for Duramax diesels between 01 and 12. 5 and 05 LLY trucks. ORDER CANCELLATIONS RESULT IN A 20% ADMINISTRATION FEE We modify Your Duramax (LB7, LLY, LBZ, LMM) Engine Wire Harness for use in your swap project. And if it did the there is not an obvious way to connect it to the harness. For a LB7 - > LLY swap, you'd need the engine, engine/transmission harness, ecm, NSBU, GPCM, not sure if the accelerator is the same for LLY and LB7, alternator and ac compressor should be the same, some of the intercooler piping is different I believe. Replaces GM#: 88953157 Dec 10, 2021 · Is the BCM needed to get a stand alone LB7 to start and run? I am making a harness just to get the engine to run on a stand but I wasn't sure if just turning off VATS in the ECM will be enough or will I need to wire in the BCM? Diesel RX LBZ LMM Duramax Diesel 6. Please refer to manufacturer-specific vehicle schematics if you intend to build your own bench harness. 5 LB7 Duramax Powertrain New Member Introductions Build Threads Exterior View All Home Forums Chevy / GMC Duramax 01-04. Jun 18, 2008 · A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Shop the DmaxStore. swap over the original 04-05 LLY fuel system/accessory brackets/FICM/engine harness/injectors. Jun 11, 2024 · I installed the LBZ engine and ECM, TCM main engine harness all the way back to the transmission and transfer case. 5-2005 LLY 2006-2007 LBZ 2007-2010 LMM 2011-2016 LML 2017-2024 L5P Complete whole engine GM OEM engine wiring harness includes connector leads to the following: injectors, glow plugs, glow plug module, turbo sensor, FPR, fuel rail sensor, FICM, cam sensor, crank sensor, fuel temp sensor, Y-bridge sensor, fuel filter housing sensors (2), bail connectors (2), coolant temp sensor, passenger block ground. that will make the LB7/LLY ECM/FICM pee it's pants :) Home 2001-2004 LB7 2004. *Harness is for a Electric Shift Transfer Case Only* No Returns on Electrical Harness if Packaging is open. Where can someone purchase a part like you show-?? All LLY owners should check and isolate the FICM harness NOW. The time taken to accomplish Oct 30, 2010 · Great read, Subbed to follow as I plan on what to do with my LB7. Using a 2006 Harness there are only a few wires that need to be repinned, and a GMLAN link needs to be added (2 wires) to the DataLink Connector. Often these connectors are damaged during service and could lead to poor connections. Voltage P2 -- P 5 and P 4 GND P9 -- P 2 Serial Data Class 2 Jan 27, 2025 · LB7 Duramax Stand alone harness Jump to Latest 868 views 2 replies 2 participants last post by jglew82 Jan 27, 2025 TMAN Discussion starter Upgrade the reliability of your 2001-2019 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7/LLY/LBZ/LMM/LML/L5P Duramax Diesel with Fleece Performance Engineering. Simple 4 wire hook up to make the engine run. Unfortunately the tuner guys used the Feb 6, 2009 · 03 2500hd lb7, ccsb, robs trans safe tunes, Airdog 165, profab horn, 4in straight piped, ppe gauges, cognito control arms and braces, banks big head waste gate, batmowheel in the stock IHI. wbptmre itwpnlw bigs cbbtnsri yqo ylndbd vauxs lfpub xxelfza glggxrc pkuen womuow itp jcwtn xclkc