C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Wacky Heater Control Panel '89

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Old May 26, 2003 | 04:52 PM
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joseph p
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From: Hawthorne NJ
Default Wacky Heater Control Panel '89

My heater control panel on my '89 auto coupe occassionally flashes and even goes out...if I tap it, most times it comes back. Lately I have been blowing the 10 amp "Gauges" fuse, when I hit a bump. Nobody can seem to trace the short! Has anybody had trouble with this panel or blown the gauges fuse, or ANY ADVICE THAT MIGHT HELP???I don't have a wiring diagram for that fuse and don't know where to get one...HELP!!!
Thanks

ps: Any idea what these panels cost??
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Old May 26, 2003 | 05:04 PM
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Default Re: Wacky Heater Control Panel '89 (joseph p)

One of your ACC hot wires is off and dancing under your hood.. If you mostly see this in you heater control and not in you dash or stereo lights then I would pull the heater controls and fix this before you have a fire..And a vette with a fire is a 350 with a ram connected to a leftover melted fried dream car..

Rob
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Old May 26, 2003 | 05:12 PM
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joseph p
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Default Re: Wacky Heater Control Panel '89 (Tolofou)

So where do I look for the ACC wires...now you've got me nervous!!!
Replacing the heater panel is not the problem???
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Old May 26, 2003 | 05:20 PM
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Default Re: Wacky Heater Control Panel '89 (joseph p)

Pull the heater panel and uninstall the heater controls and look for any melted wires or a burnt smell.. Look at your heatercontrol haness and use a 12volt check light to check for ignition switch and constant power. Follow the two wires and you should find a problem.. If not I think GM has a computer system they hook up to your car to find the short also..

Rob
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