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Re: Coolant circulating?

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Author  [Modern View]

06-17-2013 15:38:22

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The fuel gauge is inoperative. But what you way about the voltage regulator may hold water. The temp gauge seems to jump around faster than it would seem possible for the engine to heat and cool down. It seems to jump down when the engine RPM goes up. Is there some way to determine if the voltage regulator is bad?

Thanks for the reply.

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36 coupe

06-23-2013 03:39:12

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 Re: Coolant circulating? in reply to flyingace, 06-17-2013 15:38:22  
Fix the fuel gauge.Its part of a voltage divider.If one gauge is open the other will read high.

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Ultradog MN

06-17-2013 16:26:27

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 Re: Coolant circulating? in reply to flyingace, 06-17-2013 15:38:22  
I can't speak for Bern but I think he was referring to the voltage stabilizer not the voltage regulator in the charging system.
Stabilizer is a small rectangular box that is screwed on to the back of the instrument cluster.
Others here are better at electrics than I and could probably tell you how to test it.

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06-17-2013 16:48:21

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 Re: Coolant circulating? in reply to Ultradog MN, 06-17-2013 16:26:27  
Yep, I mis-spoke - thanks for catching that. I was talking about the voltage stabilizer on the back of the dash. It looks like a circuit breaker with two wires going to it.

To test: Turn the key on and test both wires one at a time with respect to ground with a meter or test light. Voltage should be stable on one side, and pulsate on and off on the other. If both sides are continuous, that's your problem. Give it at least 30 seconds warm up time though.

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