Custom standalone ecm / tcm harnesses (lb7, lly, lbz, lmm) 11-14 chevrolet gmc 2500hd duramax 6.6 lml complete engine wiring Harness wiring lml duramax engine installation
Custom Standalone ECM / TCM harnesses (LB7, LLY, LBZ, LMM) - DMAX SWAP
Lbz tcm ecm lly lmm duramax lb7 harness harnesses standalone custom