Fuel pump issue

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Spudchev

Junior Member
Joined
Apr 24, 2021
Posts
2
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Location
Richmond
First Name
James
Truck Year
1988
Truck Model
V30
Engine Size
350
Hey guys. I have a 1988 v30 350tbi. Converted to a carburetor. Been driving it for a year. One day truck just stalled on me going down the road. Replaced the fuel pump.
Fuel pump relay
Ignition switch
Got power to the oil switch.
No power to the ecm-b at the fuse panel and the horn and curtesy light. Which sends power to the pump. Can’t figure it out.
 

Snoots

Full Access Member
Joined
Jan 23, 2013
Posts
8,158
Reaction score
15,957
Location
Georgia
First Name
Roger
Truck Year
1973
Truck Model
Jimmy Sierra
Engine Size
350
I've been seeing a LOT OF ELECTRICAl problems with '88's lately.

Make certain that your oil pressure switch is letting your ECM know that it sees pressure.
 

Spudchev

Junior Member
Joined
Apr 24, 2021
Posts
2
Reaction score
0
Location
Richmond
First Name
James
Truck Year
1988
Truck Model
V30
Engine Size
350
Hey ya I put a test light on the oil pressure switch and it’s getting power. I’m gonna take the fuse panel apart see if some thing is burnt or broken. It’s the 3 fuses that don’t work.
Ecm-b
Curtesy lamp
Horn
 

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