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Old 09-23-2010, 02:51 AM   #113 (permalink)
Piwoslaw
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Join Date: Oct 2008
Location: Warsaw, Poland
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Svietlana II - '13 Peugeot 308SW e-HDI 6sp
90 day: 58.1 mpg (US)
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Quote:
Originally Posted by dmac257 View Post
Are you saying that the electric fan for a car/truck shouldn't be on if the car is moving?

I think mine is on all the time. I know it starts up as soon as the vehicle is on even if it is cold out. Maybe it turns off after I start moving but I cant tell from all the other noise once the thing starts moving. Maybe I will put a short wire from the connector out front of grill to top of hood with a little light to see if it goes on and off? Is it controlled from a thermostat (might be broken)?
If your fan is relay-actuated, then an LED will work. If it is electronically controlled, then there is almost always a small, residual voltage that will keep the LED on all the time, even when the current is too small to move the fan. The latter is the case with my car - I put an LED on the fan supply wire and it turned out to be an engine-on light. Maybe it would work if I put that through a relay which closes only when there is enough current to start the fan?
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e·co·mod·ding: the art of turning vehicles into what they should be

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