Heater Control switch Hi All.. On my 89 IROC the heater controls are not working. The blower motor switch works and the hot/cold works. But when I move the selector switch for the heat/vent/AC nothing..stays blowing out the defroster and the AC is not kicking on. Even when I put the selector on AC, the compressor will not come on. Is there anyway that you can check the control switch to tell if it's bad? Thank You and God Bless US All...John |
Re: Heater Control switch
Originally Posted by stubby1962
(Post 5281876)
Hi All.. On my 89 IROC the heater controls are not working. The blower motor switch works and the hot/cold works. But when I move the selector switch for the heat/vent/AC nothing..stays blowing out the defroster and the AC is not kicking on. Even when I put the selector on AC, the compressor will not come on. Is there anyway that you can check the control switch to tell if it's bad? Thank You and God Bless US All...John https://www.thirdgen.org/forums/elec...ml#post5278772 I'd guess the AC is a separate issue. Perhaps the system requires a charge. JamesC |
Re: Heater Control switch Hi All: I have since replaced all the vaccum hoses and still will not switch off the defrost. I have even bypassed all the vaccum and hooked it straight to the heater. Still no luck.. Probably the control unit then?? I have looked at the unit, but have not taken it out. How do you disconnect the hot/cold control from it? Thank You and God Bless US All...John |
Re: Heater Control switch
Originally Posted by stubby1962
(Post 5292311)
How do you disconnect the hot/cold control from it? JamesC |
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