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Old 04-16-2021, 08:24 AM   #15
flathead 39
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Join Date: Oct 2020
Location: Azalea, Oregon
Posts: 99
Default Re: hayden automotive 3647 adjustable thermostatic fan control

Finally 'got 'r done', well almost. Have to run the green (a/c override) wire through a switch to 12v, and finish adjusting the set point down to 180/160. First test, fan came on at 220 off at 200 and I have it down to 200/180 now. Then clean up the mess I made of the wiring & call it a day. Really like not hearing that fan running all the, Thanks for the help and advice.
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Much improved since Henry sold it.
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