Instrument panel voltage regulator

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Oct 7, 1999 | 08:57 AM

David

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Junior User

Joined: Jun 1999

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Instrument panel voltage regulator

I have read several postings that talk about checking the IVR(instrument panel voltage reg.)and since my fuel gauge reads incorrectly I thought I'd check the IVR first. After disassembling my dashboard and spending most of Monday afternoon looking, can anyone tell me where it is located. I even went to the dealer just to look at the part so I could recognize it, the counter guy said it plugs in to back of instrument panel. I can most assuredly say that it don't on mine. I have an 87
F150 with a tach. Any help is greatly appreciated.

Oct 7, 1999 | 11:10 AM

Mulletwagon

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Joined: Jun 1999

Posts: 349

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Instrument panel voltage regulator

I believe the 87 (88 for sure) and later Fords do not use an IVR. They use a system of small coils built into the gauge and depend on variable voltage sending units to function. Best indication of a bad IVR use to be the temp and fuel gauges performing radically at the same time since the constant voltage side of the gauges were receiving a wrong or intermittent voltage. If your fuel gauge is bad, it is probably the sender in the tank that is bad. Ford trucks from about 86 to 92 are famous for this problem. My local dealer changed mine out (88 Bronco) in 92 at no charge. At the time Ford was getting beat up for paint problems and were concerned about their reputation as the #1 truck maker. HTH