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Jerry Newton
Jerry Newton, Cadillac Technician
Category: Cadillac
Satisfied Customers: 4591
Experience:  ASE Master Technician, L1, Master GM Technician. Over 20 years of bumper to bumper GM experience.
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Air/heat computer wont work no light lit in unit

Customer Question

air/heat computer wont work no light lit in unit
Submitted: 2 years ago.
Category: Cadillac
Expert:  Jerry Newton replied 2 years ago.
What year and model is your Cadillac?
Customer: replied 2 years ago.
1984 Seville
Expert:  Jerry Newton replied 2 years ago.
OK. The old units were failure prone, and you can probably find a good used one in a junkyard... in fact, that might be the ONLY source for this part, at this point.
I would source one, and plug/play it to see if it works. is an excellent resource for things like this.