Wiring Harnesses

Rely on CBM Motorsports™ high-performance mil-spec LS, LT, Ecotec, Ecotec3 and Alloytec Standalone Wiring Harnesses, Complete Wiring Harnesses with ECU and Wiring Harnesses with ECU Kits to tell your Race Car, Hot Rod, Off Road Truck, Sand Rail or LS Swap what to do next. All CBM Motorsports™ harnesses are completely plug and play with switched power, constant power, sensor and ground connections required.

Standalone Wiring Harnesses include a engine wiring harness with all engine and transmission (if applicable) sensor connectors, relays and are made for a specific ECU.

Complete Wiring Harnesses with ECU include a engine wiring harness with all engine and transmission (if applicable) sensor connectors, relays and a application specific blank ECU.

Wiring Harnesses with ECU Kits include a engine wiring harness with all engine and transmission (if applicable) sensor connectors, relays, MAF sensor, MAF bung, O2 sensors, O2 bungs (if applicable) and a specific custom programmed ECU for your application.

CBM wiring harnesses are professionally constructed with brand new OEM GM Delphi connectors and US made TXL (polyethylene cross linked) high temperature wire to GM Specifications. We also manufacture wiring harness extensions, pig tails and adapters in addition to carrying products from AEM, Holley, ACDelco, MSD and Painless Wiring.

Our catalog of wiring harnesses for the GM LS, LT, Ecotec, Ecotec3 and Alloytec series of engines is constantly expanding, if you do not see the right harness or kit for your application listed below, including MoTeC and Holley HP/Terminator/Dominator, give us a call at 909.291.7550, chances are we make it.

CBM is an authorized AEM, MoTeC and Holley EFI dealer.