Author Topic: Headlight Problem. HELP!  (Read 1536 times)

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Offline chronic_rider_550

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Headlight Problem. HELP!
« on: April 29, 2011, 09:37:28 PM »
Okay, so I have a small issue. I have a 1975 Honda CB550. My headlight will not turn on. The other day I was trying to fix my headlight and trace the wires. I can't figure out which wire is the "hot" wire. Which wire give the headlight power? The green is the ground wire, correct? White would be low beam and blue is the high beam. The White wire and the blue wire should be "hot" or giving the headlight power. When I turn the headlight on, my taillight turns on but now power to the headlight. High beam or low beam. What could be the issue? I've checked the grounds, I've check to make sure all the wires are connected properly. I just am not getting power to the light. My headlight is not burnt out because I connected it directly to the batter and it lights up just fine. Also, my headlight worked just fine a couple days ago. I had a loose wire, fixed it for a day by reconnecting the wire. But now again no headlight. I went back in and made sure everything was connected but still no headlight. Anyone have any suggestions?
http://forums.sohc4.net/index.php?topic=67122.0

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Offline TwoTired

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Re: Headlight Problem. HELP!
« Reply #1 on: April 29, 2011, 09:55:13 PM »
Did you check the headlight fuse?

Do you have a wire diagram?
Lloyd... (SOHC4 #11 Original Mail List)
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Offline chronic_rider_550

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Re: Headlight Problem. HELP!
« Reply #2 on: April 29, 2011, 10:03:04 PM »
Yea I checked the fuses. I have a wire diagram. But the wire diagram is SUPER friken confusing.
http://forums.sohc4.net/index.php?topic=67122.0

"Faster, faster, faster, until the thrill of speed overcomes the fear of death."  ~Hunter Thompson

A friend is someone who'll get out of bed at 2 am to drive his pickup to the middle of nowhere to get you when you're broken down.

Offline chronic_rider_550

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Re: Headlight Problem. HELP!
« Reply #3 on: April 29, 2011, 10:04:10 PM »
I also found a color diagram here

http://data.sohc4.net/CB550.jpg

which is better than the one in my owners manual. But still confusing.
http://forums.sohc4.net/index.php?topic=67122.0

"Faster, faster, faster, until the thrill of speed overcomes the fear of death."  ~Hunter Thompson

A friend is someone who'll get out of bed at 2 am to drive his pickup to the middle of nowhere to get you when you're broken down.

Offline DarcyCB400F

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Re: Headlight Problem. HELP!
« Reply #4 on: April 29, 2011, 10:06:20 PM »
Did you check the headlight fuse?

Do you have a wire diagram?

The starter switch may power the headlight as many bikes do... Is your starter switch  original or perhaps broken or otherwise acting weird? This is perhaps your problem?
1977 CJ360T
1977 CB400F
1980 CB900 Custom
1981 GS550L
1989 DR200R
1998 VT1100C2 ACE
1999 XR400R
2006 CR230F
2007 HD Road King

Offline chronic_rider_550

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Re: Headlight Problem. HELP!
« Reply #5 on: April 29, 2011, 10:09:26 PM »
Starter switch? Well, my bike has a actual switch for the headlight, so I believe it has power to it and then it connects when it is turned on. I'll have to check it out tomorrow. Thanks for the input. Everything helps. The wiring of these bikes are just confusing.
http://forums.sohc4.net/index.php?topic=67122.0

"Faster, faster, faster, until the thrill of speed overcomes the fear of death."  ~Hunter Thompson

A friend is someone who'll get out of bed at 2 am to drive his pickup to the middle of nowhere to get you when you're broken down.