1988 Chevrolet Truck Repair Question
Asked on February 9, 2011
Fuel system wiring short
I have a 1988 c3500 quad cab dually 454 dual tanks. using tank selector switch blows 10amp ecm2 fuse and i loose fuel pump. vehicle has dead short and blows ecm2 two fuse each time its replaced. driver side fuel pump has been replaced twice. any suggestions
Asked by rlamasterAnswer
Replied on February 25, 2011
You'll have to probe the positive side of the fuel pump circuit for a short. Also check the connectors for bent pins inside.