Fuel Tank Selector Switch Operation

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Deathdog

Junior Member
Joined
Aug 2, 2023
Posts
5
Reaction score
10
Location
Oklahoma
First Name
Michael
Truck Year
1987
Truck Model
K20
Engine Size
350
1987 K2500 (Fuel Injection in tact), I just purchased this pickup so I don't know any of it's history. The switch appears brand new. When flipped to right side it immediately dies. I don't hear it changing over. The gas gauge doesn't move. I put gas in the right side in case it was just empty. There is no power at any pin of the switch. I don't know which fuse runs it but I'm fairly certain no fuses are blown as I tested each fuse with a test light. Should there be power at the switch? If so, where does it get it's power?
 

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