Fuel Gauge - Team Camaro Tech
Electrical & Wiring Troubleshooting electrical.

 
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post #1 of 4 (permalink) Old Aug 3rd, 01, 04:08 AM Thread Starter
 
Join Date: Apr 2001
Location: Denison,TX 75020
Posts: 23
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Having a problem with 68 camaro fuel gauge will not work. I grounded the sending unit I have about 8 gallons of gas in the car. When I unplug the wire from the gauge to the sending unit the gauge shows full tank over full. I have a new painless wiring harness in my car.


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1968 Camaro 454 TH350 9" Ford
www.1968camaro.rpmworld.net
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post #2 of 4 (permalink) Old Aug 3rd, 01, 06:10 AM
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Steve
 
Join Date: Jun 2001
Location: Altus, OK
Posts: 63
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Sound like you have an open circuit. Check the resistance at the trunk where the rear harness plugs into the fuel sender extension.

I was at the store, shut off the car, went in and shopped, then returned to the car, started it and my fuel gauge went to max+. I grounded the wiring harness at the trunk and made the gauge go to empty...so I knew the rear harness and gauge was okay. I checked the resistance from the fuel sending harness and got 0 ohms. I had to change the fuel sender. I got the aftermarket from Rick's First Gen and had to send it back 2 times. Below a 1/4 of a tank the fuel gauge would stay at empty! I had Rick's send me a AC Delco, and I've had no problems since.

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Steve
68 "Pro-Touring" Ragtop SS
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post #3 of 4 (permalink) Old Aug 3rd, 01, 08:02 AM Thread Starter
 
Join Date: Apr 2001
Location: Denison,TX 75020
Posts: 23
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The sending unit is new.

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1968 Camaro 454 TH350 9" Ford
www.1968camaro.rpmworld.net
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post #4 of 4 (permalink) Old Aug 3rd, 01, 04:38 PM
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Join Date: Aug 1998
Location: abilene texas
Posts: 233
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Brandon
Check the procedure in this link: http://members.core.com/~faldrich/fuelgage.htm . It is almost idiot proof as it even helped me with a gauge problem.
rick
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