fuel tank selector valve

[lexoverrex]

-Need (perhaps) bypass switch to get tanks to switch and get fuel gauge working again..

-In line fuses?? if, then location... 

- Anything else your experience tells could help my plight.. 

 

[saw no search option, so attempting 'new topic.']

 

'83 Silverado, diesel  (diesel probably irrelevant except valve may last longer?) 

Edited March 13, 2020 by lexoverrex
Added more info - hopefully helpful

[garagerog]

I had an 84 K20 HD gasser with the factory outside the frame rail saddle tanks and I had to replace the dash switch. Been so long, but I think I simply used a paper clip between the switch leads to verify it was bad. Test the simple stuff first before digging into the solenoid(s) that switches the tank lines.