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Is there a common wire that feeds the instrument cluster? I bought a tc last week and it has no oil pressure,coolant,voltz or gas gauge movement. My book doesn't show and wiring diagram for the dash. Any ideas?? Thanx
live fast and drive faster
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jangus
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Joined:
May 2008
Nebraska
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Possibly your instrument voltage regulator has gone completely dead.
88TC 5speed, 160,000+, ranger roller, Evergreen T3, cone filter, manual boost controller.
One parts car still waiting to be taken apart.
Waiting in the garage: SC throttle body, SC intercooler, graphic equalizer, among other things.
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Pete D
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Joined:
Apr 2001
Northern OH
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When those 3 guages don't work or go up and down in unison, it is the IVR as Jangus mentioned. The other possibility is the resistance power wire that feed the IVR. It can break.Check your email for schematic.
Pete Dunham
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Thanx for the diagram.
I traced the wires back to the ignition switch and found the connector to the switch is melted. The ignition switch fell apart. Thats as far as I was able to get. So now I am looking for a ignition switch and the factory connector.
live fast and drive faster
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bartonfan
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Joined:
Feb 2008
Sugar Grove, pa.
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pete, could you send me the same schematic? I'm having the same problem. thanks in advance.
88 turbo coupe
all stock
204000 miles
med. red w/ raven
love this car!!!
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Thanx for the help Pete. I replaced the ignition switch and scorched wires associated with the ignition and it fixed the gauges.
live fast and drive faster
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Pete D
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Joined:
Apr 2001
Northern OH
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bartonfan, check your email, let me know if they came through
Pete Dunham
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bartonfan
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Joined:
Feb 2008
Sugar Grove, pa.
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got it thank you!
88 turbo coupe
all stock
204000 miles
med. red w/ raven
love this car!!!
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flylear45
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Joined:
Jun 2001
Ravenna, OH US of A
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I had a similar problem on my last TC. Do we know what cooks the connectors?
88 TC 5.0 turbo project
79 TR7 convert 2.3 turbo project
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