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-   -   a/c fan speeds (https://www.camryforums.com/forum/general-tech-8/c-fan-speeds-1365/)

djamnicki 03-09-2007 09:08 PM

a/c fan speeds
 
My 1990 Camry DX has a sliding 4 speed a/c fan control but only the 2 fastest speeds work. Other forums I went to say the resistor bank is behind the glove box and it is a black box. When I opened it up I found a black box with I think a 4 wire conn as described but it turned out to be an acceleration cut off module. Am still looking for the resistor bank so I can replace the lower speed resistors with higher wattage components.Others suggested that it is located before or after the fan itself but nothing is evident that I can see. This is an American 2.0 liter model. Also does anyone know the resistance values of these 2 lower speed resistors?
Thanks........Doug

toyoboy 03-11-2007 05:35 AM

RE: a/c fan speeds
 
i should be located close to the blower motor, cause i think it uses the motor to cool itself..if you remove it and inspect the insulator for cracks caused by a overheated resistor. it help to have a wiring diagram to test your circuits.

tim96460 03-11-2007 11:46 PM

RE: a/c fan speeds
 
There should be 2 small screws holding it on if I remember right. Tough to tell if the resistor is bad because of the porcelin doping on the wire but a ohm meter will do the trick.
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toyoboy 03-12-2007 02:54 AM

RE: a/c fan speeds
 
thats why i commented about the wiring diagram to help test the circuit.

tim96460 03-13-2007 01:41 AM

RE: a/c fan speeds
 
There a lot of ppl that can't use a wiring diagram, dam guess a multimeter may be out of the question as well.
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