Question about 1990 GMC Sierra
I replaced sending unit and checked all the wires and connections and I still get nothing. Any ideas would be appreciated.
Gauge on this year has a diode behind it pull the gauge n look behind it its color coded find another n replace it before that ground the sending unit wire make sure it moves to full when grounded
Posted on Jun 18, 2009
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Posted on Jan 02, 2017
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