04-18-2017 | #11 |
Join Date: Jan 2012
Location: Houston, Texas
Posts: 17
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Re: 1990 radiator fans
One other thing I remember reading, when changing the part have the new one close by in case the Schrader valve leaks a little- (then you can quickly screw the new one on and minimize Freon loss) I didn't have that problem- still working properly to this day.
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04-19-2017 | #12 |
Join Date: Feb 2017
Location: Southbury CT
Posts: 101
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Re: 1990 radiator fans
My fans are on all of the time. I unplugged the connections and it still runs. does anyone have the fan wiring diagram? Both fans run with Marcs PROM in and all ac switches unpluged and the climate control off. Any input?
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04-20-2017 | #13 |
Join Date: Feb 2017
Location: Southbury CT
Posts: 101
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Re: 1990 radiator fans
How does that sensor work and how did you pin point the switch was bad? If I unplug all sensors, the fan still runs. I get full continuity at the two pins on the switch you are talking about. Is there a way to exactly see what temp the ECM is seeing from the coolant temp sensor?
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04-21-2017 | #14 | |
Join Date: Feb 2017
Location: Southbury CT
Posts: 101
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Re: 1990 radiator fans
Quote:
Lesson learned - pay attention to detail!!!
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