ACCEL HEI Control Module 1127804 3" V-type shoulder harness attaches

3" V-type shoulder harness attaches to any camlock style belt

so any powered USB adapter up to 12V will work (phone and tablet chargers

Both shoulder belts and the sub-belt are hooked over the link

1979-1988 GMC P3500

ACCEL HEI Control Module 1127804 3" V-type shoulder harness attachesModule fits stock and modified 1974 87 GM HEI distributors. Solid state electronics promote reliable, high coil output while dwell control ensures long, consistent coil charging. Current control circuit protects against coil overheating. Vehicle Applications: 1974 1979 Chevrolet Nova 1975 1978 GMC G25 1974 1986 Chevrolet El Camino 1975 1977 Pontiac Astre 1974 1985 Oldsmobile Delta 88 1975 1987 Buick Regal 1989 1989 Chevrolet R3500 1973 1977 Pontiac