Join Date: Jan 2006
Location: central coast, california
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sounds to me like another bad altenator. make sure the wires to the voltage regulator and stator are secure and making good contact at the pins. also, if you have a good ohm meter, disconnect the cables and check the resistance of the wires. you could have a high amp draw from the starter but that generally wont cause a gauge problem, so we can probably rule that out.
What i would do first is check the altenator output. Get an voltmeter, and see what the altenator is putting out. measure from the positive post ON THE ALTENATOR to ground. it should be roughly 14 volts, give or take a little.
if this is low, the altenator is bad. if it is normal, it is a wiring problem more than likly......