FUEL GUAGE - Team Camaro Tech
Electrical & Wiring Troubleshooting electrical.

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post #1 of 5 (permalink) Old Dec 14th, 02, 06:07 PM Thread Starter
Join Date: Sep 2002
Location: Glendora,CA U.S.A.
Posts: 9
Help! My fuel guage registers full,full.(About 3:00 position) I'm not sure how to troubleshoot guage and sending unit. Can someone help me? Thanks, Jim
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post #2 of 5 (permalink) Old Dec 14th, 02, 06:21 PM
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Location: Garden Ridge Tx. USA
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The wire might have become disconnected behind the fuel filler neck in the trunk but one way or another you lost ground.

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post #3 of 5 (permalink) Old Dec 14th, 02, 06:25 PM Thread Starter
Join Date: Sep 2002
Location: Glendora,CA U.S.A.
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Could it be a bad guage?
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post #4 of 5 (permalink) Old Dec 15th, 02, 03:25 PM
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Location: Washington, Michigan USA
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Probably not - check this link for fuel gauge diagnosis:

'69 Z28 Fathom Green
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post #5 of 5 (permalink) Old Dec 16th, 02, 09:52 PM
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disconnect the connector in the trunk going to the sending unit and ground it. If the gauge goes to empty, the gauge is fine. If the sending unit ground on the bottom side of the trunk is ok, most the resistance winding of the sending unit has an "open"
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