Chrysler Repair Questions? Ask a Mechanic for Answers ASAP
Good evening, chances are that one of the speeds on the fan is bad. It is recommended to use a scanner that can actuate both the low and high speed fans to see if either works. Another method is to gain access to the fan connector from under neath. There is a 3 wire connector for the fan. The outside wires of the 3 wire connector are the 2 power wires for the fan. One is for the low speed and the other for the high speed. The center wire is the ground. You need to actuate the fan with the scanner and then check for voltage at either of the outside wires to see if 12 volts is present. You can try to use a jumper wire hooked to battery voltage to see if you can make either of the speeds work. Just be careful because if the fan draws to much current, it can cause the jumper to overheat or even damage the circuits. I personally use a "Power Probe" that has a built in circuit breaker than protects the system in case of excessive current draw.
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Can I get you to check the violet/red wire at the fan assembly to see if there is battery power there. If there is check the dark green/orange wire with engine running. There should be power with engine running. Let me know, thanks!