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#1
11-28-2007, 08:56 AM
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Blower Motor Resistor
I have an '02 grand prix GT. I have replaced the the blower motor resistor and hve pulled the dash apart to check wiring going to the control knob. Also have check all of the fuses and they are all fine. Just checking to see if there is something that I am over looking or if it could just be a bad part.
Thanks Brian 
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#2
11-28-2007, 09:00 AM
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Re: Blower Motor Resistor
The title has been corrected for grammar. Resinator to Resistor.
What were your original symptoms?
__________________
'08 Pontiac Grand Prix GXP (Dark Slate Metallic) - LS4 5.3L V8 '02 Oldsmobile Alero GL2 - LA1 3400 V6 '99 Buick Regal LS - L36 Series II 3800 V6 '03 Honda CR250R MX - 2 Stroke 250cc '97 Pontiac Grand Prix GTP - L67 Series II 3800 V6 Supercharged (Sold) Timeslip 08/12/06 AF Community Guidelines
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#3
11-28-2007, 09:22 AM
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Re: Blower Motor Resistor
The original problems were that the fan speed 1-4 would not work but speed 5 did work. I thought that it was blower motor and tried replacing that and nothing worked, might have touch wires together when key was on and fan control position was a 5 setting. Then I replaced the resistor and now speeds 1-4 work but speed 5 does not.
Thanks Brian
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#4
11-28-2007, 09:34 AM
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Re: Blower Motor Resistor
There is a fuse for the hi-speed fan position 5 so check that first to make sure it is not blown.
__________________
'08 Pontiac Grand Prix GXP (Dark Slate Metallic) - LS4 5.3L V8 '02 Oldsmobile Alero GL2 - LA1 3400 V6 '99 Buick Regal LS - L36 Series II 3800 V6 '03 Honda CR250R MX - 2 Stroke 250cc '97 Pontiac Grand Prix GTP - L67 Series II 3800 V6 Supercharged (Sold) Timeslip 08/12/06 AF Community Guidelines
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#5
11-28-2007, 08:52 PM
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Re: Blower Motor Resistor
I have already checked the fuse and the mini relay that goes for fan speed 5. Please let me know if it could be in the control knob or if you think the resistor could be bad.
Thanks Brian
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#6
11-28-2007, 09:08 PM
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Re: Blower Motor Resistor
Quote:
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#7
11-29-2007, 06:48 AM
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Re: Blower Motor Resistor
borninabarn, he already replaced the resistor (see first post).
That being said, it doesn't mean that the new one he bought couldn't have a bad hi-speed relay. It's remotely possible that the heater control switch is bad, but not as likely. If you inspected the wiring to the control head for charred/burnt contacts and there were none, I would suspect a bad new part.
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 Still waiting for the "good old days" I'll get to bore my future grandchildren with!
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