headlight problems
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Road Master
Joined: Apr 2007
Posts: 864
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From: NC
headlight problems
My lowbeam quit working but the highbeam still works. Pulled the headlight apart and the yellow wire connecter in the plug witch supplies the 12 volts for the lowbeam is all melted ……….AGAIN. The first time I pulled the headlight apart back in Nov to have it powder coated I noticed the plug was melted but the light still worked. I replaced the plug when I reassembled the headlight. This is the second time this has happened and I have already replaced the plug once. Doesn’t seem to have any opens or chaffing in the wire. WTF? Anybody have any ideas and have seen this before?
willyp
willyp
May our Moderator Rest in Peace
Joined: Sep 2006
Posts: 11,386
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From: Rochester, NY
RE: headlight problems
Are you useing one of the high wattage bulbs? They draw more power and might be the problem. If not check the connection at the back of the bulb and the ground wire for a poor connection. Bad connections can let the light work, but add enough resistance to the circuit to fry the wires.
Bad connections will also eat bulb filiments as they are the weakest part of the circuit.
Bad connections will also eat bulb filiments as they are the weakest part of the circuit.
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Road Master
Joined: Apr 2007
Posts: 864
Likes: 11
From: NC
RE: headlight problems
thanks for the reply, i think it happened the first time with the stock bulb but it still worked, i replaced the plug with a new one from the stealer and the bulb with a PIAA bulb that says "direct replacement for stock bikes using the h4 bulb with the 3 prong base" ill double check for the correct wattage and replace the plug again.
May our Moderator Rest in Peace
Joined: Sep 2006
Posts: 11,386
Likes: 35
From: Rochester, NY
RE: headlight problems
Be sure you check out the other end of the wires also, a bad connection doesn't have to be at the bulb itself to give you the problem. It just shows there because its hottest near the bulb and inside the housing there is not airflow to cool the wires.
Just for grins turn it on and feel the wires just outside the housing to see if they are getting hot there as well. That would be a clue to me that somethings not quite right. You may be forced to replace the wires with heavier gauge ones that can handle the load and its attendent heat better.
Just for grins turn it on and feel the wires just outside the housing to see if they are getting hot there as well. That would be a clue to me that somethings not quite right. You may be forced to replace the wires with heavier gauge ones that can handle the load and its attendent heat better.
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