I'm wondering if I will be able to use this OEM wiper switch. It would use 2 inputs to the PDM - one would be variable resistance to + or - depending on how the switch gets wired, and the other would just be for high speed activation. On low or delay the resistance would vary depending on the switch position. I do not yet know the resistance values, I'll have to get a switch to test.
Any thoughts or ideas would be appreciated.
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I found some diagnostic information on the wiper switch that says the range of resistance should be between 680 ohms and 450 K ohms between low speed and max delay. Will this be an acceptable range to work? If not, I should be able to read the switch resistance via the Holley Dominator ECU and feed the resistance value to the PDM via CAN bus.