No need to cut any wires with this valve even has the correct switch! This Works on ALL 1978-1987 Chevy & GMC Full Size trucks that have disc brakes in the front and drum brakes in rear. 2WD & 4WD, 1/2 Ton, 3/4 Ton, & 1 Ton!
1978 1987 Chevy GMC Full Size Truck Black Brake Proportioning Valve Combo Disc
1979-1981 Chevy/GMC Full-Size Pickup Fuel Tank Fill Hose
1973-1978 Chevy/GMC Full-Size Pickup (w/out Gas Door) Fuel Fill Hose
1978-1987 Chevy GMC Full Size Truck Brake Proportioning Valve Combination Disc
1973-1976 Chevy/GMC Full-Size Pickup RIGHT Fuel Fill Hose - Stepside/Shortbed
1973-1976 Chevy/GMC Full-Size Pickup LEFT Fuel Fill Hose - Stepside/Shortbed
