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Join Date: Sep 2005
Location: Washington DC/Carlisle, PA
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Fan Blower Resistor Replacement
In late 2017 I lost all cool air from my AC system. Thanks to this forum and some poking around I was able to self-diagnose the problem. I hope these image filled posts help anyone else trying to repair the same problem.
After checking fuses I followed instructions to try to identify the cause of the cool air loss. One such possible explanation was the resistor. To access the blower and the wiring system you need to drop down the glovebox, detach it and reach awkwardly under the dash region. Other threads cover that process quite well so I will skip over it.
In my situation, the fan blower resistor and wiring harness had cooked up somehow and the electrical shock fried off one of the copper connectors. After getting very good at accessing the underbelly of the Sky via the glove compartment I removed all of the flawed components just some pulling and wire snipping.
You can see the damage points and removed components below.
1994 SC2 (Obituary)
2007 SKY (Thread 'n Pics)
5 spd, black trim, chromies, XM 6-disc (full of puke), deck spoiler, LSD, painted visors, leather/chrome e-brake