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'87 Heating/AC Wiring Diagram?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by rcamacho, Jan 16, 2005.

  1. rcamacho

    rcamacho 1/2 ton status

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    One of the previous owners managed to make a real mess of the heater blower circuit. Anyone out there have a diagram? The shop manual diagrams do not appear to cover the HVAC at all.
     
  2. rcamacho

    rcamacho 1/2 ton status

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    Turned out to be a bad blower motor relay.
     

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