FUEL SYSTEM WIRING SHORT

1988 Chevrolet Truck

Tiny

rlamaster

February, 9, 2011 AT 5:00 AM

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

FOUND 296 RELATED QUESTIONS

Fuel Pump Fuse

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Fuel Pump Fuse

14 ANSWERS

1 Answer

Tiny

Ernest Clark

February, 25, 2011 AT 2:13 PM

You'll have to probe the positive side of the fuel pump circuit for a short. Also check the connectors for bent pins inside.

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