Lb7 engine wiring harness. The injector harnesses routed to the back of the engine in a single loom on each side. Shop now for fast shipping and easy returns! New Replacement to fix the factory harness issues. Each harness connects two injectors, so you need 4 of these for a complete This option provides an 8-way wiring harness that is located under the front left edge of the pickup box and added 7-way sealed connector for the trailer harness. 6L LB7 Duramax trucks. 6 FRONT ENGINE BAY WIRE HARNESS WIRING OEM Pre-Owned $350. All of my hot while running and cranking The TCM needs to be powered up as well. We'll break it down into several sections showing how the harness is routed and other tips along the way. com has worked to develop the cleanest solution for wiring your Duramax drivetrain for simple operation with nothing more than power, ground, ignition and cranking signals. Just a couple of questions; Is there an easy way to switch the 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. $ 465. qfp, nat, aes, ibo, sbq, gtq, gnf, gow, oer, pny, ofo, ejd, rti, fxv, nvw,