Headlight grounds through Blue Wire/High Beam Light??
Started taking readings. The red terminal on the back of the headlight reads 12v, the blue terminal off the headlight reads 12v, the green terminal (ground) reads like .5. I got an alligator clip lead and attached one end to the green terminal on the headlight (Ground) and the other side to ground. nothin. However, if i attach the alligator clip to the red terminal or blue temrinal and run that to ground the corresponding filament goes on. wtf? Is the ground terminal on my headlight bad?
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- honda305.com Member
- Posts: 537
- Joined: Sun Feb 12, 2012 11:12 pm
- Location: Huntington Beach, CA
Just take the headlight completely out of the bike and hit each of the red and blue wires (one at a time) with 12V with the green wire straight to the negative battery terminal and see what you get. The red and blue are 12V in and the green is the ground.akpasta wrote:Started taking readings. The red terminal on the back of the headlight reads 12v, the blue terminal off the headlight reads 12v, the green terminal (ground) reads like .5. I got an alligator clip lead and attached one end to the green terminal on the headlight (Ground) and the other side to ground. nothin. However, if i attach the alligator clip to the red terminal or blue temrinal and run that to ground the corresponding filament goes on. wtf? Is the ground terminal on my headlight bad?
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- honda305.com Member
- Posts: 537
- Joined: Sun Feb 12, 2012 11:12 pm
- Location: Huntington Beach, CA
akpasta wrote:I finally tried that, and the light was out cold. Bought a new one works now. I know that should've been the obvious thing to check, but I was getting the filament to fire earlier, but I guess that was just the last bit the bulb had in it.
Which could explain the crazy readings. You probably had the high and low beam filaments of the bulb shorting out internally.