The Gen III LS1 engine comes complete with a Magna Charger Supercharger system, computer, and wiring harness. The GM transmission is electronically controlled to take the added torque and horsepower.

Pace Performance offers this lead harness as an alternative to cutting and splicing wires in Chevrolet Performance LS and LT engines or transmission harnesses.

How to fabricate a simple wiring harness cover for the GM LS-series engines.