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Installing GM parts in a toyota wth. Its bad enough their assembled in Tijuana, Mexico
AC control only works on hi or off. You have to replace the control board and the pigtail connector at the same time. I actually put a heat sink on the wire that gets hot.
I used the part from Dorman 973-582 blower motor resistor kit with harness.
 

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05 Tacoma 4x4 DC LB
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If fan works on high but not other speeds, you should only need to replace the resistor (and check the connector to it because some had them making a poor connection at the plug causing the overheat condition). No issues with my original over 15 years later.
 

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If fan works on high but not other speeds, you should only need to replace the resistor (and check the connector to it because some had them making a poor connection at the plug causing the overheat condition). No issues with my original over 15 years later.
It will work for a few months and will fry. already went through it. The new wire harness has heavier wire to disapate the heat.
 
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