Air conditioning question

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cincyq45
Posts: 10
Joined: Wed Feb 13, 2008 12:01 pm
Car: 1993 Q45, all new suspension, new abs accuator, new tcs accuator, new rims from a 97 Q45.

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The air conditioner only seems to blow air when the fan is set on high. I've checked the fuses and they look ok...

Any advice?

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96Qowner
Posts: 2643
Joined: Tue Sep 07, 2004 12:11 pm
Car: 1996 Q45

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Sounds like you cooked your Darlington resistor:

http://www.q45.org/darlington.html

Interior Fan Doesnt Turn Off?

HELP! No A/C Fan!!!
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maxnix
Posts: 22627
Joined: Mon Jul 22, 2002 8:11 pm
Car: 1995 Infiniti Q45
1995 Infiniti Q45t
2000 Infiniti Q45

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cincyq45 wrote:The air conditioner only seems to blow air when the fan is set on high. I've checked the fuses and they look ok...

Any advice?
Resistor failure caused by high drag on fan motor. Be sure to rehabilitate or replace the fan motor when you replace the Darlington Bridge Resistor.
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