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97 S-10 heater control switch problem


dannyboy2319
09-23-2007, 10:34 AM
I have a 97 S-10 with a heater control switch that will not work on the highest speed. It is a four position switch and the fan does work on the lower 3 settings. Any suggestions out there???:frown:

BLAZERBOY69
09-26-2007, 05:44 PM
I have a 97 S-10 with a heater control switch that will not work on the highest speed. It is a four position switch and the fan does work on the lower 3 settings. Any suggestions out there???:frown:

I WOULD SUGGEST PULLING THE SWITCH OUT AND CHECKING FOR A LOOSE TERMINAL, OR YOU COULD JUST GO TO A YARD AND SEE IF YOU CAN FIND A NEW(FOR YOU) ONE OFF A WRECK. I DO KNOW THAT THE MANUFACTURERS OF ALL VEHICLES DO NOT SELL JUST THE FOUR POSITION SWITCH, YOU HAVE TO BUY THE WHOLE CLIMATE CONTROL CENTER.

MT-2500
09-27-2007, 01:25 PM
High fan is usually run of of a relay.
Check fuses and power to relay.
MT

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