1991 chevy caprice

Asked by Marvin Apr 23, 2019 at 02:01 AM about the 1991 Chevrolet Caprice Classic Sedan RWD

Question type: Maintenance & Repair

My gas gauge and tps not working. I had a 1991 b4
and rebulit the motor, the dash caught on fire so I
found another car same year and motor. Upon
switching the gas gauge worked but now its not
working. I bought a brand u sending unit pump and
all together had a guy put it in now its not working.
I check the fuses inside the car but all good. The
guy said he grounded it right and it was my
instrument cluster so Iam lost please help me out

1 Answer
27,570

oilyspill answered 5 years ago

See the purple wire at sending unit for fuel gage, that wire is voltage with key on, use a test lite and check for voltage on that wire. If no voltage, could be wiring circuit or instrument cluster gage.

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