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What switch would I need? 200

posted by  dbostrom on  Fri Oct 25 04:14 CST 2002
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last visit: Wed Feb 1 13:16 CST 2012
[RELATED]

Your mechanic probably added a really jumbo resistor to control speed. What you need to vary the speed from low to high is a switch that controls a relay which selects whether the resistor is in circuit or not.


12V feed from A/C ------------- relay contact 1
| -- relay pole ----- fan
|-- resistor-- relay contact 2

12v from control switch, fed by A/C 12v---------- relay coil






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New What switch would I need? [200]
posted by  ricefive subscriber  on Fri Oct 25 03:25 CST 2002 >


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