Lbz tcm ecm lly lmm duramax lb7 harness standalone harnesses custom Wiring harness split Custom standalone ecm / tcm harnesses (lb7, lly, lbz, lmm)
Lb7: wiring harness mods
Custom Standalone ECM / TCM harnesses (LB7, LLY, LBZ, LMM) - DMAX SWAP
LB7: Wiring Harness Mods - Page 2 - Duramax Diesels Forum