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Cooler on the east coast!!!
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Discussion Starter #1
Ok I gave it another few hours tonight and still low and high beam headlights not working.
Thanks for the advice.
It's off to the dealer for me :mad:
 

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2011 R1200RT
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8,175 Posts
Can you remove the black headlight plastic cover under the nose cone and take a look at the ground connection? Maybe even take a picture and post. This was a common issue on pre-05 assemblies, and the fact that both Hi and Lo won't work indicate a ground issue.
 

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Cooler on the east coast!!!
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Discussion Starter #3
zippy_gg said:
Can you remove the black headlight plastic cover under the nose cone and take a look at the ground connection? Maybe even take a picture and post. This was a common issue on pre-05 assemblies, and the fact that both Hi and Lo won't work indicate a ground issue.
Gilles I did check all of the connections and the ground wire looks good. It is not burnt not broken nada:-( I did talk with the dealer and got additional recommendations check a few more things and still not working. Just frustrated and confused :confused: now
 

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Get a piece of wire, attach it to a good ground and bypass the existing ground wire by just touching it to the ground connection if all else fails find a friend with a volt/ohm meter and check to see if you even have 12v going to the light..not hard to do you just need a meter
 

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Cooler on the east coast!!!
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Discussion Starter #5
casualemt said:
Get a piece of wire, attach it to a good ground and bypass the existing ground wire by just touching it to the ground connection if all else fails find a friend with a volt/ohm meter and check to see if you even have 12v going to the light..not hard to do you just need a meter
Rich thanks for the advice I do have a volt/ohm meter. I did not bypass the ground but that sounds like a good idea.
Thanks
 

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Cooler on the east coast!!!
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1,243 Posts
Discussion Starter #6
zippy_gg said:
Can you remove the black headlight plastic cover under the nose cone and take a look at the ground connection? Maybe even take a picture and post. This was a common issue on pre-05 assemblies, and the fact that both Hi and Lo won't work indicate a ground issue.
can not get any image into or attached to my post :(
since I am unable to figure out how to get a picture into a post I am doomed will never figure out the headlight :confused: :)
 

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I feel your pain and frustration!!

I do not know what you have checked so far.

You can try a temp connection from the batt to the headlight. How ever it might not be easy to find a double female crimp connectors to fit the head lamp. But, you can take the oblong black cover off the head light assembly.

That gives you a simple circuit; the headlight will either work or be dead. From there you can go back to the stock ground, disconnect the temp negative run. Go back to the stock plus line, disconnect the temp plus line to the batt.

As I found out a couple of weeks ago, if all else fails, check the fuse.

Of course, if you take it to a dealer, take it stripped down.

Best from Gorham maine
Bob
 

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There are only a few items it could be. Wiring, connectors, the high/low beam switch, and the bulbs.

It is not likely but it is possible that both bulbs are burnt out.

1.) Assuming that you still have quartz lamps and not HID check the filaments of both lamps to make sure they are intact.

2.) Run the ground from the negative terminal of the battery to the headlight bucket. If it works it is the ground path. Run a new brown wire to a good ground.

3.) Run a lead from the positive terminal of the battery to each of the headlight at the bucket. If it works now it is likely one or more fuses. Check every one of the fuses. The fuse situation on these bikes is sometimes rather obtuse. It seems like an unrelated fuse can have an effect on the circuit.

4.) If the above doesn't find the problem then it must be the wiring to/from the handlebar switch or the switch itself which would seem unlikely

Loren
 

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Cooler on the east coast!!!
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Discussion Starter #9
BecketMa said:
I feel your pain and frustration!!

I do not know what you have checked so far.

You can try a temp connection from the batt to the headlight. How ever it might not be easy to find a double female crimp connectors to fit the head lamp. But, you can take the oblong black cover off the head light assembly.

That gives you a simple circuit; the headlight will either work or be dead. From there you can go back to the stock ground, disconnect the temp negative run. Go back to the stock plus line, disconnect the temp plus line to the batt.

As I found out a couple of weeks ago, if all else fails, check the fuse.

Of course, if you take it to a dealer, take it stripped down.
Best from Gorham maine
Bob
Thanks Bob need some time and hopefully another set of hands to work on it.
 

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Cooler on the east coast!!!
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Discussion Starter #10
wa1200lt said:
There are only a few items it could be. Wiring, connectors, the high/low beam switch, and the bulbs.

It is not likely but it is possible that both bulbs are burnt out.

1.) Assuming that you still have quartz lamps and not HID check the filaments of both lamps to make sure they are intact.

2.) Run the ground from the negative terminal of the battery to the headlight bucket. If it works it is the ground path. Run a new brown wire to a good ground.

3.) Run a lead from the positive terminal of the battery to each of the headlight at the bucket. If it works now it is likely one or more fuses. Check every one of the fuses. The fuse situation on these bikes is sometimes rather obtuse. It seems like an unrelated fuse can have an effect on the circuit.

4.) If the above doesn't find the problem then it must be the wiring to/from the handlebar switch or the switch itself which would seem unlikely

Loren
Loren thanks for the suggestions. I need to take some time to look into the ground more. The lamps are good.
 

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I wish you were closer. This would be fun to troubleshoot but the troubleshooting needs to be very systematic and, because of the distance, accurately reported.

There should be no reason for this issue to have to go to the dealer.

Isn't there anybody in the area who can meet up and help this Guy out?

Ill bet he'd buy steak and beer all around.

Loren
 

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Cooler on the east coast!!!
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Discussion Starter #12
wa1200lt said:
I wish you were closer. This would be fun to troubleshoot but the troubleshooting needs to be very systematic and, because of the distance, accurately reported.

There should be no reason for this issue to have to go to the dealer.

Isn't there anybody in the area who can meet up and help this Guy out?

Ill bet he'd buy steak and beer all around.

Loren
That is more then for sure.
I brew my own beer :D
 

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How are you doing trouble shooting your headlights?

Best from Gorham ME
Bob
 

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I am very interested in your findings.
I have a 2005 LT and the last couple of weeks my headlight would not come on as soon as I turned on the key. About five minutes later it would work. Both high and low beam headlight, the power winshield and the cruise control does not work. I believe there must be a relay some where that does not work. I have the repair manuel but not for the electrical system.
 

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Cooler on the east coast!!!
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Discussion Starter #15
Well the saga continues. On Tuesday night a friend who is and electrical engineer helped me trouble shoot. Through careful testing we did find the ground in the headlight assembly was not functioning. The wiring harness from the headlight, the one that goes from outside the black plastic housing to inside the housing. There was 12 volts going to both the low and high beam. We bypassed the ground with one from the battery and the low and high beam worked. When we reconnected this connection the lights worked and passed the wiggle test. We thought we had identified and fixed the issue, the low and high beam were working. Until I was on my way home from work Wednesday night and the headlight went dark. I traveled the rest of the way home in the dark with the flashers going. When I got home I disconnected and reconnected the above-mentioned harness and all worked again. The end result is it is working for now. Here in Illinois it is getting dark earlier and earlier so I need my headlight. I did call the dealer and they are two weeks out for an appointment. I will keep the updates coming. Thanks again for all your help. :dance:
 

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Dude! Dont take it to the dealer! You have identified the problem now just figure out what you need to do to fix it!

You almost have it whipped now finish the job.

If you need some ideas just take a few pics so the folks can let you know what you need to do.

Loren
 

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Cooler on the east coast!!!
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1,243 Posts
Discussion Starter #17
Loren thanks for the words of encouragement. I set an appointment for October 6th, the dealer is that busy. I will continue to work on solving this issue. If by then I have not then I will let them have a stab at it. I can not get pictures to attach or imbed in my posts :mad:
Thanks again will keep you updated.

wa1200lt said:
Dude! Dont take it to the dealer! You have identified the problem now just figure out what you need to do to fix it!

You almost have it whipped now finish the job.

If you need some ideas just take a few pics so the folks can let you know what you need to do.

Loren
 

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2011 R1200RT
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8,175 Posts
gglove said:
photo test
That seems to be working! :D
Alternatively you can e-mail me your pictures and I will post them for you.
The ground issue was common on pre-05 LTs so I am not a bit surprised...
You are almost there, and with pictures posted this community will point you in the right direction.
I had to totally re-do the ground on my 99 when I installed both Hi and Lo HID as I had to drill out the lamp holder for the Hi beam, etc... During that process it became very clear how flimsy the ground tab was.
Thank goodness the 05 is a much better with separate light housings for Hi and Lo
 

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The ground wires are all brown. All you need to do is find a common point where several connect and run a new ground from the housing and tie it in. Also, try flipping the hi-low switch several times with the ignition on to see if maybe that's the issue. I have not heard of that in the LTs but it is a very common issue with motorcycles in general.
 
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