tachometer & gauges

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Jan 17, 2001 | 04:49 AM

hoot

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Joined: Jan 2001

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tachometer & gauges

I have a 91 F150 ext'd cab, 302,eaod trans.
My tach has developed a mind of it's own or has just become possessed. Problem: The tach wants to stay at 3400rpm until I cross that line. And even then it doesn't respond correctly. Just recently my other guages have started to read high. I believe this is most certainly an electrical problem. Sometimes it will go a week and all is fine. Have noticed that when it freaks out, it happens when I use my turn signal, cruise, brakes or windshield wipers. I can fix this but, have limited time to work on my truck. Any help or ideas would be greatly appreciated.

Thanks,

Hoot

Jan 17, 2001 | 01:40 PM

jakegypsum

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Joined: Sep 2000

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From: Linwood, N.J. USA!

tachometer & gauges

Hoot, It sounds to me that the voltage regulator for your guage cluster is on its way out. The guages run on a lower voltage. Usually the guages give strange readings, (sometimes above average readings), when this regulator acts up. I believe that it is just a plug-in type of thing. Good luck.

Jakegypsum // Ford fleet, soup to nuts.