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I have voltage at the 5v dark blue wire coming out of the fuel gauge. It fluctuates and I can't get a steady reading, as does the connection at the temp gauge. Sometimes it appears to spike as high as 25 volts (?), which is probably the meter trying to adjust. I realize the regulator normally will fluctuate when working correctly. My question: When the instrument voltage regulator goes bad does it still fluctuate and put out power like mine is doing?

I grounded the sender connections off the fuel gauge and the temp and the needles never moved.

Thanks,
Sean

turtle1 wrote:I have voltage at the 5v dark blue wire coming out of the fuel gauge. It fluctuates and I can't get a steady reading, as does the connection at the temp gauge. Sometimes it appears to spike as high as 25 volts (?), which is probably the meter trying to adjust. I realize the regulator normally will fluctuate when working correctly. My question: When the instrument voltage regulator goes bad does it still fluctuate and put out power like mine is doing?

I grounded the sender connections off the fuel gauge and the temp and the needles never moved.

Thanks,
Sean

I'd look into the voltage limiter if I were you.... Sounds like its on its way "out"
John

See this in Tech section. http://sweptline.org/forums/viewtopic.php?f=33&t=22961