well i just bought an 88 s/c to replace my 89 r/s . it has many things to fix/repair to get it my way . one thing i'm not real sure about is the fuel gauge . the needle points straight up to the heavens . i suspect an open in the wireing from the tank . i have not had a chance to put it on a lift yet to see . any feed back on this ??? yes i searched and fuses are good . thanks .

 

On my 1989 Camaro 305 (TBI) my needle would 'stick' in that position sometimes. I removed the transparent plastic window and touched the needle and it would 'unstick' and then the needle would read correctly when the car was running. I never investigated why the needle 'pinned' itself. In my case there might be a 'mechanical resistance' that causes it to 'stick' rather than an electrical signal being sent continuously.

 

thanks , thats the first thing i will check . anyone else have any feed back ?

 

well camarorider that didn't work . anyone else have an idea ? will be getting it up on a lift tomorrow . any suggestions on what to look for besides a broken wire ? any help/suggestions welcome . thanks .

 

HELP !!! am i the only one who has had this problem ?

 

I suspect you should try to read the voltage on the wire to the fuel gauge. One possible reason for it reading 'full' could be that the fuel float in the tank might be stuck and not dropping. I think there is a variable resistor in the tank that the float arm changes depending on the fuel level in the tank.

If the meter drops to zero when the ignition is OFF but reads FULL when the ignition is turned ON then that might be the cause.

If it reads FULL even with the ignition OFF then I would suspect some type of mechanical problem with the gauge itself.

I am out of any other ideas !

 

thi happend to me too ive mine for a year and just went by the odometer to know to refill but just recenlty buoght an autometer guage to see if in fact it is theguage itself i suspect it would be mechanical issue with the guage

 

Here is an interesting link:

https://www.thirdgen.org/forums/elec...t-working.html

They mention the wiring of interest. Note the GROUND. That should probably be checked for quality. But they also mention the voltage of the purple wire.

 

thanks for the lead camaorider , pulled up carpet behind seats . found black and tan wires intact , found faded red/purple wire with household wire nuts on it in 2 places . well i know that i'm on the right track . now if the rain would only stop . i also pulled gobs of boomer speaker wires from under carpet in that area . that explains alot to me about some other elect. problems i have . thanks .