General Ford Ranger Discussion General discussion of the Ford Ranger that does not fit in any other sub-forum.

Please help...Gauges reading high, what should I do?

Old 10-31-2012
Thread Starter
Join Date: Aug 2012
Location: Rock Hill, SC
Posts: 5
Please help...Gauges reading high, what should I do?

I topped off my gas tank in my 94 Ranger STX 3.0L a couple of days ago and noticed that when full, the gauge reads WAY above full, much more than normal. Same thing for my ammeter and oil pressure and temp gauges. I also have an 85 Mustang SVO, and from my experiences with it, the instrument cluster voltage regulator was usually the fault. I know that things have changed a bit between my 85 SVO and my 94 Ranger, but I need to know if anyone has had this issue before and what the fix is? I have check and clean all of the obvious grounds between the engine and body, verified and cleaned my grounds at the negative terminal on the battery. Am I missing anything? Can anyone help me out with this?

Thanks all in advance.
Old 10-31-2012
Mcleary316's Avatar

Join Date: May 2010
Location: Lawrence, Kansas
Posts: 2,322
To me it seems like there is too much voltage going to the cluster. How to find the cause of this however, I have no idea haha.
Old 11-04-2012
87xlt's Avatar
Join Date: Jun 2008
Location: In my truck!
Posts: 876
What is your battery voltage with the truck running? You could have a voltage regulator going out on you.
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