don blanchard
Active member
- Joined
- Apr 22, 2019
- Messages
- 27
- Reaction score
- 0
- Location
- NH
- My Car
- 72 mach 1
41 chevy panel
34 streetbeast
ok , another electronics mental midget here... how can I test the fuel sending unit in the tank? can I jump it out? if there's one wire going to the gauge and the other is ground how does it get its power? is it governed by ground resistance? It's on a 72 mach 1...….