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oil pressure light

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sixbangr View Drop Down
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    Posted: Nov/26/2018 at 3:00pm
I am not getting any power to the oil pressure light. Blue wire goes from sending unit to the dash. If I hook up a wire from the batt to the wire at the sending unit, I get power at the harness . Where does that wire get its power from? My TSM is worn and i can't trace the blue wire
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sixbangr View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote sixbangr Quote  Post ReplyReply Direct Link To This Post Posted: Nov/26/2018 at 3:04pm
this is a 1963 Ambassador

past owner of 19 Ramblers/AMC's



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Post Options Post Options   Thanks (0) Thanks(0)   Quote 6768rogues Quote  Post ReplyReply Direct Link To This Post Posted: Nov/26/2018 at 4:25pm
Not sure about your particular car, but generally the oil light is on a grounding circuit so the sender provides a ground when the oil pressure is low. In that scenario, if you unhook the wire at the sending unit and ground it, the light will come on.
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