1990 Corvette climate control problems

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bwegner@machlink.com - 05 Mar 2007 17:05 GMT

I just purchased a 1990 Corvette. The automatic climate control lights
up but none of the functions work. No heat, no A/C, no blower motor.
Any ideas where to start?

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PJ - 05 Mar 2007 17:32 GMT

> I just purchased a 1990 Corvette. The automatic climate control lights
> up but none of the functions work. No heat, no A/C, no blower motor.
> Any ideas where to start?

Fuses of course--then:

Look at the harness connectors to the control head. Cars
that lived in humid climates have corrosion in the
connectors. Some guys have also reported corrosion on the
internal contacts inside the control head.

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Michael L. Squires - 06 Mar 2007 14:47 GMT

>I just purchased a 1990 Corvette. The automatic climate control lights
>up but none of the functions work. No heat, no A/C, no blower motor.
>Any ideas where to start?

I had a similar problem which wound up requiring the replacement of the
controller - expensive.

I can't imagine even starting to try to fix that without the shop manuals.

Mike Squires
90 Z51

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