Posted by rvirgil_KS on January 26, 2010 at 07:31:03 from (205.162.219.142):
In Reply to: Positive Ground posted by mss3020 on January 26, 2010 at 07:08:34:
"old fashioned" incandescent lights don't care about polarity and should work either positive or negative ground.
However, if you are using LED lights, LED stands for "Light Emitting Diode" and a diode IS polarity sensitive. An LED light would have the internal wiring connected for modern negative ground vehicles, so you would have to reverse the leads to work on positive ground.
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