Brake & Tail Light


Information and questions on GL1100 Goldwings (1980-1983)
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Jakez
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Brake & Tail Light

Postby Jakez » Fri Mar 07, 2014 2:10 pm



Hi Guys.

Wonder if you would help me on this one. If I switch my bike lights off and pull in my brakes, my brake light comes on and when I release it, it goes off again. Sound normal doesn't it? Well here's the issue. When I pull it in, not only does the brake light come on but the temp & fuel gauge as well as the rev counter and speedo lights. When I release the brake again......yup you guessed it, it goes off again. But (there's always a but) when I switch the lights on, then everything goes on. The headlamp, Speedo, Rev Counter, including the brake light, but then the brake light shines like if I'm holding the brake in constantly. Any ideas?


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virgilmobile
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Re: Brake & Tail Light

Postby virgilmobile » Fri Mar 07, 2014 7:07 pm

When you turn the key off,this should kill the volts to the brake light switch.Applying the brake should not light the lamp with the key off.
Something is wrong.Does it do this with both switches.??
Hand brake and foot brake.2 different switches.
Is there ANY "add on" lamps or equipment,like a brake lamp modulator.??
I could recreate this problem with a little creative wiring so look for anything that is not OEM.
Somewhere there is a unauthorized battery volts applied to a miswired brake switch.

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Re: Brake & Tail Light

Postby Dogsled » Fri Mar 07, 2014 7:43 pm

Hey Virgil.....re-read his post. I don't think he's talking about turning the key off and on but more like switching the lights off and on....I read his post first, then yours and couldn't figure out what he was talking about turning off and on....or if he is, disregard my post cause I don't know what he's talking about if you understand what he means..... :D
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Re: Brake & Tail Light

Postby Dogsled » Fri Mar 07, 2014 7:45 pm

Also look at his profile of 1981 'CUSTOMIZED'.....anything could have been done to the wiring.
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Jakez
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Re: Brake & Tail Light

Postby Jakez » Sat Mar 08, 2014 12:36 am

Okay so why not just talk about me some more. I'm not talking about turning the keys on and off. And while we're here, I bought the bike like this, I'm just fixing the thing that's it. But thanx for your 'comments'
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canuck623
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Re: Brake & Tail Light

Postby canuck623 » Sat Mar 08, 2014 12:44 am

In many cases where a light that shouldn't come on does there is a ground issue somewhere. What happens when you turn on the brake lamps they are grounding through the dash lights and visa versa. The other possibility is that the power wires are crossed. The first thing I would look at would be the rear bulbs. Pull the bulbs and see if the dash lights turn on when you engage the brakes. If yes then you have a crossed wire. If no a bulb could be shorted.
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Jakez
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Re: Brake & Tail Light

Postby Jakez » Sat Mar 08, 2014 1:02 am

Canuck: Thank You, I will go and have at that right now. Will keep you posted. Thank you for your invaluable help.
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RoadRogue
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Re: Brake & Tail Light

Postby RoadRogue » Sat Mar 08, 2014 1:51 am

Part of the confusion may be caused by the fact that you can turn your lights on and off, here in North America the headlight and running lights come on when you turn the key. There is no switch to turn them off when the ignition is turned on. 8-)
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Jakez
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Re: Brake & Tail Light

Postby Jakez » Sat Mar 08, 2014 1:54 am

Didn't know that. Thanks for informing me. Kinda weird how things are different on either side, but I guess its what makes life so interesting. :lol:
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themainviking
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Re: Brake & Tail Light

Postby themainviking » Sat Mar 08, 2014 7:15 am

It has to do with laws being different here and there. We stopped being able to selectively turn our headlights off while the bike was running, on 01 Jan 1970 on motorcycles, in Canada. I do not know when the United States did it, but it was probably even earlier.
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redbug
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Re: Brake & Tail Light

Postby redbug » Sat Mar 08, 2014 7:54 am

If I get this right,your brake light is bright either time when your key is on either way? I would go to the rear brake light switch and check for adjustment ,like maybe it is on all the time or disconnect the switch .Might be a simple adjustement.If that doesn't change then go to the front brake light switch. Is your ignition switch a factory switch? Do you see any splices of wires with tape around them or added on? do you see any bare wires rubbing up around the steering neck.Have you jiggled the wiring harness? Is the plug to the gauges been tampered with? Anybody added a wire at the fuse box? Is the back of the ignition switch all in one piece or is it cracked or loose. Does it smell like it has been hot or burnt? Let us know what you find either way.
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virgilmobile
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Re: Brake & Tail Light

Postby virgilmobile » Sat Mar 08, 2014 10:48 am

One thing that might help here.Honda was good enough to use color coded wiring.You should never see a black wire attached to a brown wire or such obvious wrong connections.Some colors can fade out,following the wire into the harness a few inches can reveal its real color.
If you turn on your lights and the brake lamp lights instead of the park lamp,unplug the lamp and first verify what color wire has volts on it.the plug should have a green grounded wire,a brown wire..the park lamp,the green/yellow wire..brake lamp..It should have power only when the brake lever is pushed on.
Do you have the schematic.??

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Jakez
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Re: Brake & Tail Light

Postby Jakez » Sat Mar 08, 2014 10:52 am

Okay maybe I should explain this better. If I turn the ignition on and switch on the lights then the brake light shines as if I'm holding the brakes in. If I switch the lights off with the ignition still on and I pull the brakes, then it works as normal. But when I pull the brakes with the light switch off, then its not only the brak light that's comming on but the temp and fuel guage lights as well
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Jakez
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Re: Brake & Tail Light

Postby Jakez » Sat Mar 08, 2014 10:55 am

No virgil. I don't have the schematic. I know that the color coding on the wires is not faded. The brake / park light has a black and red wire
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Jakez
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Re: Brake & Tail Light

Postby Jakez » Sat Mar 08, 2014 11:04 am

This is how I have it connected currently: solid green on black. Sold brown & green with yellow stripe on red
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Re: Brake & Tail Light

Postby redbug » Sat Mar 08, 2014 12:20 pm

ok ,since you didn't say if this is a factory switch or I missed it maybe two separate switches, but im guessing here is that power should be only at one terminal with everything off. I would take a test light and check for power at the other terminals with everthing off. to me there is a bleed over or a feed back in the system when you pull in the brake as you say with everything off put a test light to that switch and follow it out and see where it is getting current flow. Or pull a fuse and see if the problem quits and then isolate the circuit.
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Jakez
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Re: Brake & Tail Light

Postby Jakez » Sat Mar 08, 2014 12:23 pm

Thank You, I will try it out.
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Jakez
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Re: Brake & Tail Light

Postby Jakez » Sat Mar 08, 2014 12:25 pm

Both switches is factory switches. I had them recently replaced. The front and the back switch.
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RoadRogue
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Re: Brake & Tail Light

Postby RoadRogue » Sat Mar 08, 2014 3:39 pm

Jakez wrote:This is how I have it connected currently: solid green on black. Sold brown & green with yellow stripe on red



There is your problem, you are using a tail light with only one filamentand yiu have conected the brake light circuit to the running light circuit. You need to connect the wires as follows

Green to Black ground
Brown to red Brake
Grn/yel to Running light (dim filament )
Un hook the brown and green/yellow wires from each other and replace your tail light with the proper type. 8-)
Ride safe, Todd
Over night campers welcome

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canuck623
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Re: Brake & Tail Light

Postby canuck623 » Sat Mar 08, 2014 5:12 pm

Agreed. You are using a single filament socket and bulb when you need a dual filament bulb and socket.
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RoadRogue
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Re: Brake & Tail Light

Postby RoadRogue » Sat Mar 08, 2014 7:27 pm

Sorry that was incorrect , should read brown is running light . Green with yellow strip is brake light. But you still need a dual filament socket. 8-)
Ride safe, Todd
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Jakez
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Re: Brake & Tail Light

Postby Jakez » Sun Mar 09, 2014 1:54 am

Morning all. Well, I'm definitely using a double filament globe guys
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Jakez
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Re: Brake & Tail Light

Postby Jakez » Sun Mar 09, 2014 2:26 am

Okay I'm using a double fillament globe. If I remove the brow from the red or if I remove the green and yellow from the red the issue still remains the same. The light then works as a normal brake light but no driving lights. If I connect the green and yellow with the brown on the red, it acts a driving light but no brakes. :lol: and the only fillament in the globe that's working is the big fillament. I even bought 4 new globes but alas the issue remains
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RoadRogue
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Re: Brake & Tail Light

Postby RoadRogue » Sun Mar 09, 2014 2:54 am

But you dont have enough wires going into the bulb, you need 3. You can not do it with less.post a pic of your tail light for us please 8-)
Ride safe, Todd
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Jakez
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Re: Brake & Tail Light

Postby Jakez » Sun Mar 09, 2014 3:23 am

Okay I understand. If I knew where to add another wire I could solder it on. The pics takes forever to upload. Darn network. Give me your email address and I will send via email please.
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