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How do you replace part number 89018413 fan blower resistor in a Pontiac Grand Prix SE 2002?
Beardsley
First of all, you should make sure that a resistor change is necessary. You can do this by checking the fuse by the passenger door. It may be blown. If not, check the blower fan under the hood (#53; 30 amps). This may or may not fix the fan (for the highest speed only). So, on to the blower motor resistor. You must purchase it from http://www.gmpartsdirect.com or from your GM dealer. It is part number 89018413. As described, it's located under the passenger dashboard, way back against the firewall. You remove a couple of plastic covers to gain access, then there's a square black plastic module that you can slide to the right to get out of the way. The resistor is held in with (2) 7/32" screws. An extra 6" extension on a ratchet is a great help (in addition to the universal joint and 4" stock extension). Remove it and put in a new one. This should fix it.
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∙ 17y ago
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