Quote:
Originally Posted by RacinNinja
You're assuming the green is the ground. Most likely, it is not if it's made in China. Any way to remove the the light to check pin continuity through the light itself?
Continuity between two pins will at least tell you how to complete the circuit. It probable won't be 0 ohms but it should read something other than infinite. Then you can match the pin to the socket and test wiring that way to find a ground and positive.
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The only way I know that green is ground on the headlight (or at least I'm pretty sure it's ground) is that there's a green wire coming from the main bulb and a green wire coming from the smaller parking bulb that are spliced together to make one green wire at the connection end.
Of course, it could easily be a power wire to both bulbs, but the parking bulb only has a green and a brown wire, and I'm guessing that the brown is the parking bulb's power wire.