Question about 2004 Chrysler PT Cruiser
Diagnosed at local repair shop as bad fan. They say they get nothing when applying 12v to low side connection (where the three prong connector hooks into the fan unit) but it works fine when 12v applied to the highspeed side. They want 300 to replace fan unit, I can't aford that right now. Does anybody know if I can make a temp fix by putting a jumper between the lowside and highside connectors, thus activating the highspeed fan when either the AC is on or the engine is warm. Since this unit is at least partially controlled by the car's computer (I think) will it damage the computer? I notice the AC won't go on without the fan spinning (the compressor kicks on and then off again within a second or so), presumably because the fan's not on. If the fan's spinning due to warm engine, AC kicks on and kicks out cold air. I'm hoping a temp fix will last a couple of months until I can get a new unit off the internet (as cheap as $72) and either find a step by step for DIY or save up enough to pay the shop to put it on..
You can either jump power from the high to low sides, or wire a switchable power wire so it comes on when the ignition turns on. It isn't really computer controlled. A sensor just sends power to it when it needs to run. No fear of hurting anything.
Posted on Jul 01, 2009
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Posted on Jan 02, 2017
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