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Old 07 Nov 2017, 09:17 am
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rsrocket1 rsrocket1 is online now
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Join Date: Mar 2016
Location: Sacramento, CA
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Default Re: New radiator fan, and now new problems

If you bought the fan assembly with the 4 pin connector, it should have new relays. The part without relays would only have a 3 pin connector. If you look at the clean fan on the right in the picture below, the relay harness is the thick cable going from the 4 pin connnector on the bottom of the housing over to the relays in the upper right corner. The 3 pin connector cable with the blue wires goes from that harness directly to the fan motor. You should be able to tell if the relays were reused or not because the black plastic on the relays and cable would be faded and worn.

The relays are bolted to the upper passenger side of the fan when it is installed in the car.

When you say the high speed relay is sticking, is it on all the time? Did you try the test with turning on the A/C, checking that the fan is running at high speed, then turning the A/C off and seeing the fan go off high speed? (If your engine is already up at operating temperature, the fan could revert to low speed, but you should be able to tell the difference between high and low speed).


Last edited by rsrocket1; 07 Nov 2017 at 09:21 am.
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