Fuel Selector Switch Issue

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Joined
Mar 27, 2023
Posts
35
Reaction score
10
Location
Richmond, VA
First Name
Andrew
Truck Year
1987
Truck Model
R10
Engine Size
305
Hi all,

I was replacing my fuel tank selector switch today in my 1987 R10. I was prying the plug from the back of the switch with a screwdriver. Problem is I was lazy and didn't disconnect the negative battery cable. There was a small zap when the screwdriver touched the contact and the truck turned off. It still turns over strong but won't start. I am not great yet at the multimeter testing so I was wondering if it could be the fuel pump relay? With the dual tanks, will the truck only start if both fuel pump relays are hooked up and working? Could I have fried something else? Any help is appreciated!
 

Snoots

Full Access Member
Joined
Jan 23, 2013
Posts
8,190
Reaction score
16,045
Location
Georgia
First Name
Roger
Truck Year
1973
Truck Model
Jimmy Sierra
Engine Size
350
Check all of your fuses first.
 

Snoots

Full Access Member
Joined
Jan 23, 2013
Posts
8,190
Reaction score
16,045
Location
Georgia
First Name
Roger
Truck Year
1973
Truck Model
Jimmy Sierra
Engine Size
350
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I know you have a dual tank setup but see if this will help.
 

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