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Old 08-01-2015, 01:31 PM   #1
kennywhit
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runs hot

my 2006 runs hot so I straight wired the fan what I am asking did the fan have 2 speeds and if so is ther any way you know to run it in 2 dirrent speeds as its straight wired thanks a million
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Old 08-04-2015, 11:10 PM   #2
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Re: runs hot

There is a controller module on the fan itself, and it communicates with the vehicle PCM. Put a scanner / code reader on it and see if there's a code. If the fan is having an issue, you might see a P1285 code, even if the light is not on.
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Old 08-14-2015, 01:09 PM   #3
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Re: runs hot

Kenny,
If you have to keep it hot wired you might want to wire it through a relay so it doesn't put a big amp load on your electrical system. I believe they use resistors to bring the high(full speed) down to low(half speed). It may be that wiring in a rheostat will allow you to set it at any speed between off and full.
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Old 08-16-2015, 01:16 AM   #4
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Re: runs hot

The fan speed is controlled via a PWM controller - not a resistor. This controls the fan speed by pulsing the power at certain intervals.
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