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When you say 2-pin connector - Are you referring to the plug that goes to the actual fans, or the plug that goes into the actual thermo switch? The thermo switch is a sensor that screws into the upper part of the radiator just below the upper coolant line (its hard to get to). Based on the year of your car, that plug should be a three prong plug as outlined in clarks.
It seems crazy that someone would rewire that plug AND the relay to be a 2 prong plug.
I just want to be sure we are both talking about the same 3 prong plug which plug into the actual temperature sensor ie: thermo fan switch
Could you post a photo of the two prong plug and its location?
Another way to confirm this is whether BOTH fans run when hot (both fans can run high and low speed, this is late model), or just one fan runs (one for low and one for high, this is early model)?
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Tyler from Wisconsin, 1989 944 S2 on Megasquirt PNP
Last edited by walfreyydo; 06-29-2022 at 05:50 AM..
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