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#37 |
Account Suspended
Join Date: Oct 2002
Location: Olathe, KS
Posts: 2,300
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Thats the basis of a intermittant wiper, a rheostat.
In a Int' wiper system, when you turn the knob to adjust the speed this sends a specific amount of voltage to the INT' control board. The board is what actually sends the voltage pulse to the wiper motor. For instance: Most gm columns (early model trucks used slider switch on dash) from 78-87 used an adjustable switch which was also the handle for the turn signals. The switch is nothing more than a rheostat with 4 positions (OFF/LOW/HIGH/INT). The headlight switch, although designed different, will work in exactly the same manor. Pull switch to first position: If the knob is turned to the left (as if to turn on the dome light), this would be the LOW position. If teh knob is turned to any other position, this would vary the resistance to teh control module therefore changing the delay time for intermittant wipers. Pull switch to second position: HIGH speed wiper. This setup works... The only problem is finding the correct wiper motor that interchanges with our truck. Thats what im working on now... the wiring diagram is 90% complete (Depending on the model of wiper motor I go with) Last edited by Piston; 11-04-2002 at 06:25 PM. |
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