Recent content by FastbackDon

San Jose, CA.

@MikeGriese, I double checked the sockets with an 8-32 screw (matched the stud on the sending unit), both were good tight fits. @Kilgon, I will check to see if I have any resistors laying around any more.... I did think of one other thing. I believe the wire from the float arm and...

After playing around, I hooked up a jumper from one port on the connector to one of the studs on the fuel tank and the gauge worked. I'd still like to get this issue corrected, but this will suffice for now and I don't have to worry about running out of gas because of a faulty gauge.

Midlife, Yes, I used the stock wiring when testing the sending unit. I attached the connector (only one orientation will work) and let the sending unit hang from the wires. I used a test light connected to the wiring at the sending unit before starting any of this. With the key on and the...

Hi all, Don here. Just picked up this screaming yellow Mach 1 from ebay. Right now I'm struggling with the fuel tank sending unit (have posted that info in one of the maintenance sections, then decided I should probably do an into page as well. Love the car, so far. 351C, 4V, 4sp, but with...

My 71 Mach 1 has shown a full fuel tank for the year I've owned it. I replaced the sending unit 8 months ago, but it's still shown full from day 1. I replace the unit again yesterday, and it's still showing full. Before installing the new unit, I tested it this time. I plugged in the wire...