Gauge Help

I cant get my oil, water temp, volt, and fuel lever gauges to work. The lights works for them and the speedo, tach, and boost gauges work too. I have change the oil and water temp sender, and change the fuse and check most of the wireing and tryed different gauges and havent had any luck.

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1987 Ford Thunderbird Turbo Coupe
2002 ford Ranger Egde

sounds like the IVR on back of the gauge cluster. Looks like a metal can and unplugs kinds like a 9v battery

see articles on the IRV in the Technical Articles.

OK i try that and they still dont work.

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1987 Ford Thunderbird Turbo Coupe
2002 ford Ranger Egde

Check to see if there is voltage on the grey/yellow wire(pin #7)in the IP connector plug. It is a 8.5 ohm resistance wire that connects directly back to the ign sw.

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Three 1988 Turbo Coupes .....
yea one of em has a 5.0 And runs 13.1s......
uhhh make that [email protected] with a 90hp shot of nitrous.

Probably not the problem with your car, but just in case:

On my cars, there is an electrical connector near where the upper and lower intakes join. This connector was not connected when I bought the TC, and gauges didn't work. I reconnected it, and they did. Kinda lucky, since I was troubleshooting a totally different problem at the time, which turned out to be a dead EEC relay.

Hope this helps.

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Mike Walsted - NATO member
1986 5-speed TurboCoupe and 1985 5-speed XR7

Originally posted by TurboCoupe50:
Check to see if there is voltage on the grey/yellow wire(pin #7)in the IP connector plug. It is a 8.5 ohm resistance wire that connects directly back to the ign sw.

Just to add to this... if there is no voltage on this wire with the key in run, replace the ignition switch.

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Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 20 psi, forced air intercooler, water injection, bypass valve, Ranger roller cam, subframes, etc., etc.. // 86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP nitrous, ignition, gears, suspension, etc., etc.... // 91 Escort: Bone stock winter car // 02 Taurus Vulcan(wifes car)