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Title: Guage spike and return to normal
Post by: billschroeder5842 on April 07, 2012, 02:41:54 PM

I know I seen this here somewhere and did a search and didn't find anything....

Cruising down 820 near Ft Worth today at about 65mph and looked down and saw my temp and oil pressure gauge spike in unison all the way to the right and then slowly return to normal readings. It did it once more on the way back.

Other than that, the Charge ran great for the 75 or so miles I put on it today.

Is this anything to worry about or just a gremlin of a 43 year old car?

Thanks!

Title: Re: Guage spike and return to normal
Post by: b5blue on April 07, 2012, 03:30:27 PM

Could be a ground floating, check ground strap connections.

Title: Re: Guage spike and return to normal
Post by: Dans 68 on April 07, 2012, 03:55:43 PM

It sounds like an over voltage problem at the gauge caused by the 5-volt relay sticking every once at a while. If it sticks for more than a few seconds the gauges will burn out. Install a solid state voltage limiter as soon as you can. http://rt-eng.com/rte/index.php/RTE_limiter (http://rt-eng.com/rte/index.php/RTE_limiter)

Dan

Title: Re: Guage spike and return to normal
Post by: Plumcrazy on April 09, 2012, 06:02:03 AM

Quote from: Dans 68 on April 07, 2012, 03:55:43 PM
It sounds like an over voltage problem at the gauge caused by the 5-volt relay sticking every once at a while. If it sticks for more than a few seconds the gauges will burn out. Install a solid state voltage limiter as soon as you can. http://rt-eng.com/rte/index.php/RTE_limiter (http://rt-eng.com/rte/index.php/RTE_limiter)

Dan

:iagree:

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Mopar Garage => Electric, Gauges, & Lights => Topic started by: billschroeder5842 on April 07, 2012, 02:41:54 PM