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2000 Hvac dead

Old 11-15-2018, 10:51 PM
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Rob586
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Default 2000 Hvac dead

I've have a 2000 vert, jumped in it after being on vacation for a week and the hvac head unit was black & unresponsive (not dim due to age). Searched the web for a few hours the next day on possible fixes, # 18 and #27 fuses are good, G202 ground has zero corrosion, shook the accordion tube between the doors. I even pulled the ignition switch (following Bill Curlee's instruction) and found a couple of burnt contacts, cleaned them up with 600 then 1000 and rubbing alcohol and still nothing. I am thinking the unit itself is bad. If anyone has recommendations it would be greatly appreciated. Fortunately enough summer is over down here in south Florida.
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Old 11-15-2018, 11:46 PM
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mmartinez
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Most likely problem is resistor's on hvac control board not making good contact to circuit board, This is a known problem, unit has to be removed and resistors resoldered or hvac head unit replaced,
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Old 11-16-2018, 08:23 AM
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Originally Posted by mmartinez View Post
Most likely problem is resistor's on hvac control board not making good contact to circuit board, This is a known problem, unit has to be removed and resistors resoldered or hvac head unit replaced,
Thanks, I'll check it out
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Old 11-16-2018, 06:55 PM
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Would you know of anywhere to send the unit for repair?
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Old 11-16-2018, 10:23 PM
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No clue, but maybe somebody on the forum might, re-post with hvac controller repair shops.
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Old 11-17-2018, 12:03 AM
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Absfixer.com May be able to help you
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Old 11-17-2018, 05:12 AM
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Mickeyrx70
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Originally Posted by Rob586 View Post
Would you know of anywhere to send the unit for repair?
——-
Try c5led.com, Dave’s Corvette Illuminations. He repaired the lights on my HVAC controller a couple years ago and did a great job. Fast turnaround, fair price, and he guarantees his work. If the controller itself is bad/can’t be repaired, he may even have a replacement. His site lists his phone number, so you can speak with him directly with any questions.

Last edited by Mickeyrx70; 11-17-2018 at 05:23 AM.
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