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Old 01-22-2021, 03:09 PM   #10
grubsster
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Join Date: Sep 2011
Location: N.C.
Posts: 133
Re: 1964 c10 Aux. cooling/helper fan.

Are you sure you are not chasing a gremlin? I had a similar "problem" and did some research on here which, led me to buy the the correct sending unit from Lectric Limited. My needle, with a 180 degree thermostat, sits about 1/4 from C when driving and my 185 degree fan kicks on at just below the middle when idling. I would not trust the air freshener part store sending unit no matter the brand, if that is what is installed. Just something to check. Might also want to check the actual temperature of the coolant also.
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