Head light problem
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6th Gear
Joined: May 2009
Posts: 11
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From: Scottsville Ky
Head light problem
I put a Halogen bulb in my 04 Ultra that I bought from my Harley Dealer. About two months later my fuse shot. I replaced the fuse lasted one minute then shot again. I took the bike home and removed the fairing, traced every wire and could not find anything wrong. I put it back together and had no problems till today, about another two months and it has blown the fuse again.
Has anyone had a similar problem and found the solution?
Thanks for any help.
Mike
Has anyone had a similar problem and found the solution?
Thanks for any help.
Mike
Extreme HDF Member
Joined: Sep 2005
Posts: 11,615
Likes: 50
From: Baton Rouge, LA
If you're running high-wattage passing (aux.) lamps it can put you over the 15A fuse rating. These lamps are tied in directly to the low-beams and draw off the same fuse. The same goes for a high-output headlight bulb (e.g. 80/100w), although you should be able to run one of these even with the stock passing lamps and stay within the fuse limit. My '96 RK had breakers instead of fuses and the lighting breaker covered all lights on the bike (brake, headlight, running, etc.), so you might trace all of those for a possible short. Haven't checked my '07 since I haven't had an issue. Check your electrical schematic in the service manual to find out what's on that circuit and trace everything down.
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6th Gear
Joined: May 2009
Posts: 11
Likes: 0
From: Scottsville Ky
I am running the stock wattage halogen bulb. I pulled the fairing off again and could not find a bad wire. I pulled the handle bars where I could see the wiring from the fog lamp switch. I could not see a problem but I pushed a peice of 3/8" wire cover over it to isolate it from anything sharp. I also checked the connectors for tightness and put dielectric grease on them. Will let you know if it helps.
Road Captain
Joined: Feb 2008
Posts: 597
Likes: 35
From: On the lake, Ohio
If you're running high-wattage passing (aux.) lamps it can put you over the 15A fuse rating. These lamps are tied in directly to the low-beams and draw off the same fuse. The same goes for a high-output headlight bulb (e.g. 80/100w), although you should be able to run one of these even with the stock passing lamps and stay within the fuse limit. My '96 RK had breakers instead of fuses and the lighting breaker covered all lights on the bike (brake, headlight, running, etc.), so you might trace all of those for a possible short. Haven't checked my '07 since I haven't had an issue. Check your electrical schematic in the service manual to find out what's on that circuit and trace everything down.
When I get home tonight I'll check my fuses and put back in my old passing (aux) bulbs which I kept. Always trying to build a better mouse trap....
3rd Gear
Joined: Dec 2008
Posts: 7
Likes: 0
headlight problem
I going through the same issues with my 03 Electra-Glide. Put in a hi-intensity headlight bulb. Worked fine for about a week then started blowing fuses. I put the original bulb back in and its still blowing fuses. It doesn't blow them immediately when starting cold. Last night it sat in the driveway for about 30 mins with the lights on and no problem. I took it for a ride and within 5 miles the fuse blew again. I stopped alongside the road and replace the fuse. Didn't get 1/4 mile down the road and it blew again. Went through 5 fuses with it yesterday morning. I've checked all switches and wiring for pinched wires, but found nothing. Now tracing wires but finding nothing out of the ordinary. Any thoughts?
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