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Posted by Troll
 - August 03, 2011, 18:22:43 PM

Ok, so here's the deal: The brake light, turn signal and tail light/license plate light all share a common ground. It's the bl-y wire. If the brake light turns on the turn signal, and the tail light turns on the turn signal, then the tail light ground is feeding back through the turn signal circuit to find it's ground. This kind of thing is common on cars with lots of plastic bodywork (like a Corvette). Take the tail light assy. off (2 nuts, easy to get at, I think they are 10mm). Inspect the plugs that connect the wiring, and make sure that they are all secure and there is no corrosion. Disconnect the tail light plug and try the turn signal. Next place to look would be the plug (5 wires) at the base of the swing arm, on the left side (Phillips screw and an 8mm bolt).  Somewhere in there, the power and grounds might have been switched. Just a thought, but has someone put a front turn signal assy on the back? There should only be a single filament bulb in the turn signal for the rear, the front has running lights added, and use the same bulb as the tail/brake light. Careful examination should resolve this problem.

Posted by chief
 - August 03, 2011, 16:25:16 PM

Has any mods been applied to the rear lights?

Posted by Troll
 - August 03, 2011, 07:22:31 AM

Bad ground. should not light when brake light is on

Posted by VINMAN463
 - August 02, 2011, 18:20:33 PM

HELP GUYS

1. RIGHT SIDE REAR TURN SIGNAL WILL NOT WORK,
2. BULB IS GOOD AND LIGHTS UP WHEN I BRAKE AND WHEN LIGHTS ARE ON
3. LEFT TURN SIGNAL WORKS PERFECT AND SO DOES THE FRONTS
4. I HAVE SWITCHED BULBS AND STILL WONT WORK ??????

I NEED TO GET AN INSPECTION NOW AND IT WONT PASS  PLEASE ANY IDEAS WOULD BE VERY HELPFUL
SAFE RIDING
VIN

Posted by Troll
 - August 02, 2011, 09:53:50 AM

Sounds like a ground problem. Two wires connect the signals to the main harness, one is power, the other is the ground. If you have power to the socket, then the only other problem is the ground. At this point, I would connect a jumper wire to the outside of the socket (that's the ground part) and then to a good frame ground. The chrome bumper should be good since it's attached to the swing arm and gear case...Since these turn signals are rubber mounted, the problem might be a broken wire near the socket, itself. Reach up under the fender and remove the 2 nuts holding the tail light on and check the wires in the fender cavity, too. There is a plug for each side, and perhaps corrosion had reared it's ugly head...

Posted by chief
 - August 02, 2011, 09:32:24 AM

Vinman is having two problems... 1) he can't post for some reason and 2) he's got a bad turn signal. Here's the original message. Also he's says he's getting power to the socket and has replaced the bulb.

Quote from: VINMAN463 on July 30, 2011, 12:14:26 PM

HELLO

NEED HLP WITH TURN SIGNAL PROBLEM HERES WHAT IS GOING ON
1. LIGHTS UP WHEN LIGHTS ON
2. BULB IS FINE
3. BRAKE LIGHT WORKS
4. LEFT TURN REAR ONLY WORKS
5. RIGHT TURN REAR WILL NOT WORK
5. FRONT LIGHTS WORK AND BLINK FINE
6. ??? ??? ??? ? HOW CAN ONLY ONE SIDE BLINK ? ISNT IT THE SAME RELY ?

HELP......................

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