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Water pump question 140-160

posted by  Niel on  Mon May 2 14:20 CST 2005
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last visit: Thu Oct 23 12:56 CST 2014
[RELATED]

How are your other gauges? Is the fuel gauge still correct, as in takes about the same distance to start dropping from full? Can be that the voltage regulator in the dash has died, putting 12V on your gauges instead of 10V, causing the gauges to read higher. An easy check is to disconnect the plug at the temp sensor and measure the voltage on the plug. You will be measuring via the gauge, but it does not matter as there is no current flowing and thus no voltage drop. You should measure 10V.

A mechanical voltage regulator that is stuck (burned contacts) can be repaired, but will not last long. Better to replace it.

Have fun...






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