Posted November 8, 201113 yr comment_371256 Can I hook the clock directly to a car battery to test? Is it positive to the black, and negative to the blue wires? Link to comment https://www.classiczcars.com/forums/topic/41277-can-i-hook-the-clock-directly-to-a-car-battery-to-test-is-it-positive-to-the-black/ Share on other sites More sharing options...
November 8, 201113 yr comment_371260 It operates on 12 VDC, so yes, you can connect it direct to the battery. Black is usually negative, but I don't have a wiring diagram to look at here at work. Verify correct polarity before you test it. Link to comment https://www.classiczcars.com/forums/topic/41277-can-i-hook-the-clock-directly-to-a-car-battery-to-test-is-it-positive-to-the-black/#findComment-371260 Share on other sites More sharing options...
November 8, 201113 yr comment_371276 Black is definitely negative. Link to comment https://www.classiczcars.com/forums/topic/41277-can-i-hook-the-clock-directly-to-a-car-battery-to-test-is-it-positive-to-the-black/#findComment-371276 Share on other sites More sharing options...
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