| headlight alignment gl1800? | Rate Topic |
| Moderators: redbaron, MDKramer, Flyone, AZgl1500 |
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| Posted: Sun Mar 14th, 2010 01:19 am | 1st Post |
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How do you adjust the headlights so they aim at the same level and what should that level be and at what distance? Thanks for any help 
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| Posted: Sun Mar 14th, 2010 01:32 am | 2nd Post |
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You need to be 17 feet back from wall or garage door, Then make a mark on the wall 2 inches lower than the center of headlight. Last edited on Sun Mar 14th, 2010 03:11 am by goldwing randy ____________________ Hallelujah " Praise to Yahweh " |
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| Posted: Sun Mar 14th, 2010 03:15 am | 3rd Post |
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With a 12mm socket on a long extension look up under the headlights, you will see an adjusting screw. Adjust them higher than you need them and then adjust them down with the knob on the left panel.
____________________ I am a motorcyclist, not a biker. I do not hang out in bars wearing a sleeveless T shirt and a leather vest and brag about my scooter. Nor do I refuse to wear a helmet claiming it impairs my hearing while riding something that would drown out the sound of an atomic bomb. I ride. Honorary Wild Rhino Darksider #304 |
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| Posted: Sun Mar 14th, 2010 02:43 pm | 4th Post |
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Worked for GM for 41 years in vehicle lighting. I'm amazed how many people explain how to aim headlamps and wonder where did their info come from? This is taken in part from paragraph 108 of the Federal Motor Vehicle Safety Standards and in part my methods for use on motorcycles as they react to different loading more than a cage does.
HEADLAMP AIM PROCEDURE Proper headlamp aim is achieved by adjusting the upper(high) beams. Bike needs to be on a level floor, standing upright, loaded as you normally ride. (re, 1up-you for most), with pre load set as you ride 1up, placed 25' from a wall to the headlamp lens in front of the upper beam. I would suggest the auto adjust dial be set in the middle position for this aiming. Measure the distance from the floor up to the center of the upper beam bulbs. Mark this height on the wall and draw a horizontal line at this height. Sight a point on the wall that is on the centerline of the bike. Draw a vertical line on the wall placed on this center line. turn on the upper beams. Cover one of the headlamps. Use the manual adjusters accessed under the front of the fairing. Adjust the vertical until the hot spot of the upper beam bulb is just under the horizontal line on the wall. Adjust the horizontal until the upper beam hot spot is just to the right of the vertical line on the wall. Cover the headlamp just completed, and repeat procedure on the other headlamp. Make a small mark on the auto adjust panel so you can return to the 1up setting. Now have both headlamps uncovered and have the usual passenger you carry sit on the bike w/you, set the preload for 2up, and dial in the auto adjust dial for proper aim and mark that position on the panel by the dial. You can repeat this for loaded 1up, loaded 2up, trailer, etc. You get what you get for low beam aim depending on how good the headlamp design was to start with!
____________________  Michigan-Illinois-Texas We provide a PickUp and Delivery Service |
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| Posted: Mon Mar 15th, 2010 09:18 pm | 5th Post |
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Thanks everyone for your help. I've had a flashlight and both hands up under the fairing but could not see or feel were or what could be adjusted. How much of the fairing needs to be removed and what am I looking for (nob, nut, bolt)? I've also been told it's the low beam you adjust and the high beam is fixed, is this what you meant tfdeputydawd? Thanks again for any help. PS It's a 2008 GL 1800 LJDj Attachment: Dashboard.app.zip (Downloaded 5 times)
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| Posted: Mon Mar 15th, 2010 09:28 pm | 6th Post |
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Hey LBJ.... No need to take anything apart. Go out to your bike and lay down on the floor with your head up against the front wheel, now look up into the fork tunnel, see that gray nut, right past the lower fork brace? That is the 12 mm adjustment nut and sits right next to the square looking motor box. That is the one you want. Before you get to turning this and that, put your bike headlights in the middle position with the motor controls. If they are fine leave it alone, adjust your lights in the mid position, or whatever you guess to be mid position, then if you load the bike, change shock settings and so on, or run a modulator and want to turn them down a bit, you have an adjustment range both ways . Kit
____________________ The 1800 is my bike. The very best motorcycle ever made. I was enthralled with my first test ride on this machine. It is a great bike. A crotch rocket with storage bags.............As for oil I use the slick kind, and I like round tires, but as of late I have found square ones work best on the rear. Pirelli Eufori 195/55/16 @ 32 PSI Kit |
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| Posted: Mon Mar 15th, 2010 11:33 pm | 7th Post |
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Hi Kit Thanks for your input. Looks like that adjusts the low beam lights correct? Can I turn that nut ether direction with out it binding? Thanks LJD
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| Posted: Tue Mar 16th, 2010 01:51 am | 8th Post |
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The housing or headlight unit that has both hi and low beams in it is adjusted by that one nut. Turn that and it moves the light assembly up or down. Adjust on the low beams the high beams will take care of themselves. The nuts work backwards depending on the side, face the bike and the left nut you turn clockwise to raise, right side turn nut counterclockwise to raise, like a lever handle on a faucet, righty, lefty, lefty righty.  Have a friend help you, or your wife, someone needs to sit on the bike and hold it upright in normal mode, another needs to run the nuts one way or the other and watch the beam on whatever you have made your marks on or put a piece of tape on a garage door or something. As far as binding if one binds, do not try to turn it, that would mean it is full travel that way, so go to the middle and try again. (caution, plastic gear teeth) Horizontal adjustment is a bit of a challenge , you have to turn the bike forks to full lock opposite the side you want to adjust and with a flashlight if you look down into the fork tunnel from the top you will see a metal bracket, on top of the bracket is a white nylon toothed wheel that mates to the zinc adjustment wheel, on the bottom of that bracket is a phillips head screw, takes a short screw driver to access it. Kit Last edited on Tue Mar 16th, 2010 12:48 pm by Kit Carson ____________________ The 1800 is my bike. The very best motorcycle ever made. I was enthralled with my first test ride on this machine. It is a great bike. A crotch rocket with storage bags.............As for oil I use the slick kind, and I like round tires, but as of late I have found square ones work best on the rear. Pirelli Eufori 195/55/16 @ 32 PSI Kit |
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| Posted: Tue Mar 16th, 2010 02:37 pm | 9th Post |
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LJD wrote: Thanks everyone for your help. No, it's not the low beam - Both upper and lower beam bulbs are in the same headlamp housing on a Wing and are not individually adjustable. The upper beam is the one that is adjusted to get the best beam pattern when riding at night. The adjusters are there, look real close-you don't have to remove anything to get to them
____________________ Michigan-Illinois-Texas We provide a PickUp and Delivery Service |
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