madhornet Posted May 10, 2012 Share Posted May 10, 2012 so i put in a used heater switch that the owner said it worked fine but still i only have the hi setting working could he have been wrong or is there something else that can fail? Link to comment Share on other sites More sharing options...
adamzan Posted May 10, 2012 Share Posted May 10, 2012 Your blower motor resistor needs to be replaced. Link to comment Share on other sites More sharing options...
madhornet Posted May 10, 2012 Author Share Posted May 10, 2012 ok i will try his motor i have it too but i was told everything was done by the switch? Link to comment Share on other sites More sharing options...
madhornet Posted May 10, 2012 Author Share Posted May 10, 2012 and also how can i change the resistor its self? Link to comment Share on other sites More sharing options...
Tungsten Posted May 10, 2012 Share Posted May 10, 2012 The resistor is in the cooling unit behind the glove box. Link to comment Share on other sites More sharing options...
madhornet Posted May 10, 2012 Author Share Posted May 10, 2012 yeah just found out my 98 is back by the fire wall under the blower motor with 4 wire connector the 97 donor truck had it behind the glovebox with 3 wires i do have another 98 donor truck for parts but have to drive to go get it thanks everyone for the fast help!!! Link to comment Share on other sites More sharing options...
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