where do I look for the problem?

1993 GMC SIERRA
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VERNON NELSON
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there was a smell of electrical burn the heater stopped working the lights went out on the heater/ac control, I installed a new heater/ac control, still no lights at any time, the heater, and ac will not work.
Nov 20, 2011 at 6:25 PM
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RASMATAZ
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Check the HVAC control module,blower motor resistor and relay-
Nov 20, 2011 at 6:35 PM
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VERNON NELSON
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what is the proximity of the hvac module? under the dash right,or left of the steering column, passenger side, under the hood?
Nov 20, 2011 at 9:14 PM
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VERNON NELSON
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what is the proximity of the hvac module? under the dash right,or left of the steering column, passenger side, under the hood?

Nov 20, 2011 at 9:17 PM