Fuel Gauge

[pontiacgp]

Do you have to drop the tank to get at the sending unit? Or what should I test first?

there are two wires coming from the sender, one pink that has a connection you'll see under the car near the rear bumper and a ground wire that is grounded on the body.

 

[fleming442]

Yes, drop the tank. You can measure the sender in the trunk.

 

[Dylan88]

This pink wire? Lol. And ground you can see is there.

 

[pontiacgp]

Just in case you do have to drop the tank it would be a good idea to spray the bolts with a good penetrating oil

 

[pontiacgp]

This pink wire? Lol. And ground you can see is there. View attachment 90819

those are the two wires.. your car is really clean, was that picture taken in the 80's.

 

[Dylan88]

That goes to top of sending unit? Wonder why he left it off.. and thanks its been undercoated and well kept care of

 

[Dylan88]

If it has a aftermarket fuel pump installed will it still be the same? Can hear it in the tank when cars runnin

 

[pontiacgp]

That goes to top of sending unit? Wonder why he left it off.. and thanks its been undercoated and well kept care of

I would try to use something like an old antenna to see is the wire isn't sitting on top of the tank.

 

[Dylan88]

Could i some how test that pink wire to see if the guage moves?

 

[pontiacgp]

Could i some how test that pink wire to see if the guage moves?

when you have the key in off position doesn't the gauge go to empty?