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**Cali72K20** · 04-25-2014, 12:22 AM

You might also try a quick wiggle test. Have someone watch the gauge with it being powered up, run along the circuit wiring wiggling the wires every foot or so, any change in the gauge, that's were your problem is.

04-25-2014, 12:22 AM	#6
Cali72K20 Senior Member Join Date: Aug 2013 Location: Northern Santa Barbara County, California Posts: 2,731	Re: 1972 gmc fuel gauge You might also try a quick wiggle test. Have someone watch the gauge with it being powered up, run along the circuit wiring wiggling the wires every foot or so, any change in the gauge, that's were your problem is.