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Old 07-24-2003, 12:35 PM
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Join Date: Apr 1999
Posts: 2,632
W124 aux. fans: wiring them ON when A/C on

In anticipation to my move to Florida, how do I wire the aux. fans to always be on when the A/C is turned on?

Also, where can I pick-up a +12VDC signal when the A/C is on? I'd like to wire my SPAL puller fan to also turn on when the A/C is turned-on.

Thanks in advance,

:-) neil
1988 360TE AMG
1993 500E
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Old 07-24-2003, 12:36 PM
it leaks, its german
Join Date: Mar 2002
Location: raleigh nc
Posts: 1,111
Jump the temp switch in the dryer.

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Old 07-24-2003, 01:01 PM
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Join Date: Aug 1999
Location: Florida / N.H.
Posts: 8,784
If you move to Fl., the fan will come on anyway...[as long as you have a properly charged system], due to Fl ambients...

What you may want to do with the Fl climate , is to jumper the dropping resistor.. that will give you high aux fan for a/c vs. low
[ stock set-up]..
The advantage is more air when needed , but the system will still
control the high side pressure with the switch for cooler days
[ no fan when not needed]...
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