MSD LS Coil Power Upgrade Harness - For Use w/ MSD LS Coil Packs Steering Rack and extended divider walls to

and extended divider walls to maximize torque

1974-1983 Jeep Cherokee

increased spark plug life & cold weather starting

2007-2014 Chevrolet Silverado 2500 HD 78

MSD LS Coil Power Upgrade Harness - For Use w/ MSD LS Coil Packs Steering Rack and extended divider walls toThis harness has been made by MSD to correct a check engine light issue that can arise in vehicles using the MSD LS Coil Packs on their engines. This harness will supply additional battery voltage to the coils in order to fire the coils properly and not drain other engine systems of power. This is necessary due to the varying wire gauges used on production vehicles. MSD LS Coil Power Upgrade Harness 88867 For Use w MSD LS Coil Packs LS Coil Power