Question about 2004 Toyota 4Runner
I think its a bad relay, but not sure. pulled wiring plug at compressor and with ignition on and switch on tested all 3 wires with a test light, no power to any of the wires.
First the car has to be running on some vechiles to activate the a/c system remove heater control pannel to test power in to a/c switch and power out of a/c switch (may require wiring diagram). need to test at relay first to make sure its working properley if power is going through relay next test powers and grounds to the high pressure switch and the compressor.
Posted on Aug 23, 2009
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