Sam P Posted 2 hours ago Author Posted 2 hours ago 17 minutes ago, docc said: Dang. So, the oil light is getting power, since it will light when the wire is grounded and the switch looks closed (no resistance from the switch post to ground), but no light . . . Did you completely remove the wire connector to the switch and test the resistance to ground with the switch post bare? I believe so. I clipped the ohm meter to the post at the red arrow in pic below.
docc Posted 1 hour ago Posted 1 hour ago 4 hours ago, Sam P said: Ohms were, at various DMM settings: 70 @ 200 38 minutes ago, Sam P said: I clipped the ohm meter to the post at the red arrow in pic below. Perhaps 70 Ohms is a bad switch. Near zero would be preferable. A simple Test Light, like @gstallons often recommends, would be a way to test the switch: connect test light to positive--> touch probe to bare switch post. Light? Switch good. No light? Bad switch. If we can get the oil light out of the equation by determining it has nothing to do with the charge light, perhaps the search narrows.
Sam P Posted 1 hour ago Author Posted 1 hour ago 6 minutes ago, docc said: Perhaps 70 Ohms is a bad switch. Near zero would be preferable. A simple Test Light, like @gstallons often recommends, would be a way to test the switch: connect test light to positive--> touch probe to bare switch post. Light? Switch good. No light? Bad switch. If we can get the oil light out of the equation by determining it has nothing to do with the charge light, perhaps the search narrows. Something like this?
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