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Old 02-01-2012, 09:04 PM
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Gauge Voltage regulator issues

ok i have a 1971 Plymouth satellite/roadrunner. it had a butchered dash in it i just installed the new dash frame and im trying to wire up the ralley cluster but i dunno what im doing wrong here is a pick of how i hooked it up. the car has a painless wiring system in it for an fyi. the heavy yellow wires are in series with the maxi fuse. the colored wires to each gauge are for their respective sensor, fuel water oil. the wiring diagram for the original stock settings shows the water fuel oil gauges connected by a common wire to the voltage regulator on the back of the dash, and im guessing by the diagram the voltage reg is supposed to have a keyed 12v source which is the wire on the right. with the key on the voltage regulator begin to click ever 15 sec or so then that gauges start climbing and will peg with the engine off. someone please help im at wits end
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Old 02-02-2012, 12:44 AM
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The gauge voltage regulator needs to be grounded to work correctly. Without a proper ground, the regulator will cycle too slowly or not at all, causing the gauges to peg out (sound familiar?)

Looking at your picture, it appears that the ground spade on the gauge regulator bracket has no ground wire connected to it.



Try connecting that spade to ground. I bet it'll solve your gauge troubles.

Good Luck.....
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Old 02-02-2012, 01:39 AM
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Looking even closer at your picture, it looks like you had an alligator clip on that ground spade. If the gauge regulator WAS grounded when you were doing your testing, then it could be that the two wires on the gauge voltage regulator are reversed.

In addition to needing a ground, those gauge regulators have a definite input and output. The terminals are usually marked, but I can't quite see in your pic what they say.

If that's not it, it could just be a bad gauge voltage regulator, or maybe mismatched senders.. .

Hope this helps...
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Old 02-02-2012, 06:30 AM
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Those connections are going to give you a lot of trouble going forward. Those are real cheap ring connectors. You would be doing yourself a favor by soldering all those connections that are just crimped.
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Old 02-02-2012, 06:40 AM
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ok guys good stuff, that spade was infact grounded now whether it was a good ground i dunno but ill try again , and the voltage reg ethe 2 spades on the right had side say IGN in-between them
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Old 02-02-2012, 07:07 AM
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Single terminal is the input, dual is the output and the case needs to be grounded.
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Old 02-02-2012, 12:06 PM
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Ty chet ill try it tonight and report back
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