These Modules go between the factory GM ignition module and coil packs. They have color coded wires that connect to the DIS wiring and are molded using Arathane Polyurethane for it's high dielectric strength and connect directly to the factory terminals.
Universal MSD Coil Interface Modules
Price
GM Dual Tower Coils
$41.30
MSD GM Coil Interface Module Reviews
Parts Available: 8870
MSD GM Coil Interface Modules from HorsepowerFreaks
msd gm coil interface modules from horsepowerfreaks coil interface modules. Install and installation help available for parts and accessories for these model years.