Blaine Posted February 7, 2014 Share Posted February 7, 2014 If the wires running to the resister were unplugged would the blower still run on high? i tried it and mine still run without them plugged in Link to comment Share on other sites More sharing options...
yxmj Posted February 7, 2014 Share Posted February 7, 2014 ????? Didn't you just answer the question you asked?????? Link to comment Share on other sites More sharing options...
Blaine Posted February 7, 2014 Author Share Posted February 7, 2014 is it supposed to though is a better question, if the resistor fails does it default to blow on high? Link to comment Share on other sites More sharing options...
yxmj Posted February 7, 2014 Share Posted February 7, 2014 No you should have to run 12 v to one of the outlets on the plug that goes to the resister to make it blow on high......sounds like you have a short Link to comment Share on other sites More sharing options...
Blaine Posted February 7, 2014 Author Share Posted February 7, 2014 awesome electrical work. fun fun :wall: Link to comment Share on other sites More sharing options...
Rockfrog Posted February 7, 2014 Share Posted February 7, 2014 The resistors sole purpose is to reduce voltage to the blower to give you SLOWER fan speeds ... to answer the question ... yes if you remove it you will only have hi speed as 12v goes to the fan. When the resistor fails the symptom is a loss of slower fan speeds. Link to comment Share on other sites More sharing options...
Blaine Posted February 7, 2014 Author Share Posted February 7, 2014 ok so if the resistor fail it only has high speed. good to know, but i checked the resistor and they were a little rusty other then that non of them were broken and looked fine. i tore apart my whole dash and removed the heater unit and saw that the speed switch is probably the cause. REFERENCE PICTURE this is what my resistor looked like except w/out the steel cover around it REFERENCE PICTURE on the right hand side the posts that are on the switch itself that the connecter plugs into are lose and seem pretty bad and i think is why i only have high speed. going to get a a another unit and see if that solves the problem. Link to comment Share on other sites More sharing options...
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