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Old 09-08-2012, 07:47 PM   #1
JohnCuePublik
Scooby Newbie
 
Member#: 278557
Join Date: Apr 2011
Chapter/Region: NWIC
Location: Lynnwood, WA
Vehicle:
08 WRX
Pearl Blue

Default 08 WRX blower motor won't blow

My wife has an 08 WRX. On her way home from work today the HVAC stopped blowing whatsoever. She claims there was a slight burning smell for a short while about 7min after it quit. When she got it home I went through the basics of checking through blower motor issues as in checking relays and fuses. All relays and fuses checked out fine. Before I go out and try to snag one out of a wrecked car or snag a fresh one I thought I'd come on here and ask if there were any weak links in the automatic HVAC I should be looking at or if I should just say screw it and get on with the repair. Also wondering if I go to the junkyard to pull one what all I could pull a blower motor from.
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Old 09-09-2012, 09:58 AM   #2
hoffmanEstates
Scooby Guru
 
Member#: 122043
Join Date: Aug 2006
Chapter/Region: MWSOC
Location: aurora
Vehicle:
04 wagonier
psm

Default

If plug has 12v going.to motor then motor shot.does it.have a resistor.on the motor or near?
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Old 09-09-2012, 11:46 AM   #3
Cougar4
Scooby Specialist
 
Member#: 53443
Join Date: Jan 2004
Location: Anchorage, AK
Vehicle:
2001 LL Bean Outback
Winestone

Default

Before replacing the blower motor I suggest you apply 12 volts to it directly and see if it works that way. Make sure it can spin freely first before applying power to it. If the motor works okay then the burning smell may have come from the resistors or a bad connection point. You should have 12 volts going to the motor while it is supposed to be on. The return side of the motor will vary in voltage with the different speeds. When the blower is on full speed there should be very little voltage between the return side and ground if things are okay on the return side of the circuit.

If you don't have 12 volts getting to the blower then check the blower relay socket for bad contacts that will show up as burned connection points.
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