GL1800 headlight adjusters


Information and questions on GL1800 Goldwings (2001-Present)
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b8210t
Posts: 26
Joined: Fri May 10, 2013 9:41 am
Location: Frankenmuth, Michigan
Motorcycle: 2003 GL1800

GL1800 headlight adjusters

Postby b8210t » Mon Jul 07, 2014 7:46 am



New problem on my GW1800, have been hearing a growling or buzzing type of noise on cold start up and also while running in neutral or in gear, coming from upper area on drivers right side of shelter cowling, really annoying, sounds like a dry bearing, first thought after looking at diagram of under parts, right radiator fan. Took to my (really great) Honda tech, who also is local chapter (V Michigan-the chapter that has the most fun, AND< Michigan chapter of the year for 2013). He took it out for a ride after noise did not appear (of course), he heard it only briefly since it was fully warmed up, so we let it cool for a short time, and the noise would only appear very briefly, finally with aid of a stethoscope noise traced to right side (drivers right) headlight adjuster. He had never run across this problem. Lucky for us he had another 1800 on his lift that had the entire front cowling removed so we could clearly see all the front wiring and attached parts. At first we did not know what the part was, but after searching manual, and noticing that there are 2 of these parts with electrical connectors, determined that they indeed were the headlight adjusters, and 1 already had been disconnected on this particular 1800, so the long and short of it, he disconnected the offending adjuster, and everything else worked properly AND the noise went away. Just letting everyone know if they have this type of strange noise and is is up higher than cooling fans this is the only part that can be making noise in that area. I don't have headlight adjustment, but it seemed the did not work in the first place. Come to think of it, noise really got bad after I had a lighting problem (wanted to raise the beams and nothing happened) then right headlamp low beam burned out and replaced both low beam bulbs, and the problem really got more annoying. I did not do any more than replace the bulbs thru the opening in the handle bars and thought I had not disturbed anything. Sorry to be so long winded, but any thoughts would be appreciated. At $75 plus labor, really looking to replaced 1 or both of these headlight adjusters that I really have never used, and I never ride 2 up or tow a trailer. My Honda tech reads these posts and is interested too. Thanks ahead of time for any input.



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tfdeputydawg
Posts: 898
Joined: Sun Nov 22, 2009 6:59 am
Location: Indianapolis, In.
Motorcycle: 06 Wing III/2010 Hannigan

Re: GL1800 headlight adjusters

Postby tfdeputydawg » Mon Jul 07, 2014 8:36 am

IMHO-more wasted money putting those motors on the adjusters! Same for the Honda Nav and the Comfort System!
Once one has the Headlamps properly adjusted, there is no reason to change the aim!

waynehere
Posts: 7
Joined: Thu Feb 07, 2013 2:14 pm
Location: Cuba, New York
Motorcycle: 2004 Goldwing 1800

Re: GL1800 headlight adjusters

Postby waynehere » Mon Jul 07, 2014 12:15 pm

This is too funny. I have been hearing the same noise and my first thought was it was the adjusters as well. Just got back from a 1300 mile trip and it started up just before I left. Was the weirdest noise, but it sounded like they were trying to move the light and it was stuck. I had the same notion to simply unplug them the next time I have my front tore apart and just forget about them. Good catch...

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JerriEric
Posts: 73
Joined: Fri Jun 07, 2013 10:23 pm
Location: Windham, Maine
Motorcycle: GL1800 '06

Re: GL1800 headlight adjusters

Postby JerriEric » Mon Jul 07, 2014 12:44 pm

Funny, I was out last night and I adjusted my headlights on the fly. I think it is a great on the go feature. When on back roads I like the beam far down the road but when driving on populated roads I don't want to blind the oncoming traffic. I use it all the time.

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Steve F
Posts: 387
Joined: Thu Apr 07, 2011 8:25 pm
Location: suburban Chicago
Motorcycle: 1976 Honda CB750F Cafe' (sold :>( )
'03 GL1800

Re: GL1800 headlight adjusters

Postby Steve F » Tue Jul 08, 2014 6:32 am

tfdeputydawg wrote:IMHO-more wasted money putting those motors on the adjusters! Same for the Honda Nav and the Comfort System!
Once one has the Headlamps properly adjusted, there is no reason to change the aim!
Unless you're the only person on the bike, then yes, the headlights probably won't need adjusting. If you ride two-up, the weight of the passenger will cause the headlight aim to go high, and then you should adjust accordingly.
"To ride is the reason, the destination the excuse."

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themainviking
Posts: 2580
Joined: Wed Sep 29, 2010 6:59 pm
Location: North Bay, Ontario, Canada
Motorcycle: 2009 GL1800 AD

Re: GL1800 headlight adjusters

Postby themainviking » Tue Jul 08, 2014 12:26 pm

Yep, I always kinda thought the headlight adjusters were meant to be used in conjunction with the preload adjustment. When you lift up the back end, you should raise the light aim, and when you drop the back end, you just might consider lowering the headlight aim. Same as with a passenger. Put a big one on the back and you just might want to lower your lights, or adjust the preload up to compensate. I believe that is why Honda put motorized adjustment on the bikes.


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