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Discussion Starter · #1 ·
I have a 2007 Vulcan vn2000... I had to replace the tail light and rear turn signals. I found all five wire matches. Running and brake light is fine. If I have the right signal wired and the left disconnected, the right works properly. When I have the left signal wired and the right disconnected, the left works properly. When they are both connected, they work like a hazard blinker (both flash together regardless if I'm using right or left). What the hell is happening here?
 

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Brake and tail lights usually convert to LED without any problems. Turn signals are a whole other story.

You will likely need to install resistors or switch out your turn signal relay. I have never done this, but there are plenty of members here who have and could perhaps give you more details if needed.
 

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Brake and tail lights usually convert to LED without any problems. Turn signals are a whole other story.

You will likely need to install resistors or switch out your turn signal relay. I have never done this, but there are plenty of members here who have and could perhaps give you more details if needed.
I have looked at other threads and my relay location doesn't seem to match what anyone has described. I have the key and flashers on, I can hear the clicking, I have disconnected every non-major harness I can find and still no change.
 

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You might have one of those (#%(!( %!(!&%) boxes that incorporates relays that cannot be replaced.
In that case you would need to use resistors, or buy turn signals that have resistors built into them.
 

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Question- do you have a single dash turn signal indicating light? When I redid turn signals on a 1500 Classic there was back feeding through that one indicator and the lights operated as you describe. I did NOT install LEDs but I still had to install a small diode setup to make it right.

 

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What happens is with the single indicator bulb, the manufacturers wired it so the indicator grounds through the non-blinking side's filament, which only adds a couple ohms to the circuit and allows them to have only one indicator. other side doesn't blink due to the 100 or so ohms of the indicator filament already dropping the voltage, . LED's still see enough current to light,,, so you cut the 2 wires going to the indicator, add a diode to each, (Diodes being used as one-way current check valves here) then tie the neg ends (silver band) of the diodes together and attach to one side of the turn indicator, run the other side of the indicator to ground. An industry standard 1N4002 diode works just fine, pretty much any diode rated for 1 amp and 12v or more will do. (less than 50 cents at places like digikey.com:

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I have a 2007 Vulcan vn2000... I had to replace the tail light and rear turn signals. I found all five wire matches. Running and brake light is fine. If I have the right signal wired and the left disconnected, the right works properly. When I have the left signal wired and the right disconnected, the left works properly. When they are both connected, they work like a hazard blinker (both flash together regardless if I'm using right or left). What the hell is happening here?
I have a 2002 vulcan Classic. RS signal went out. Left was fine although the green detent didnt light but when I turned on the rs flasher, the front didnt flash but both the rear lights flashed like an emergency flasher. Drove me nuts. I have led rear lights and incondescent fronts. It turned out to be a break in the flasher wire to the R/F signal light. When checking at the lights themselves, be careful cause the colors change. mine changed from a grey wire from the flasher, to a blue wire about 1 foot from the light assy itself. Kawasaki got some crazy wiring. I bought an adjustable flasher relay online from a place called "BANGGOOD". Its a place located in china and it was very cheap. When I changed the rear lights to leds and left the fronts incondescent, the lightes were flashing very fast. The adjustable flasher fixed that. with your problem, if you have led rears and incondescent fronts, the led's will get current first because of them needing less current and the fronts will not work at all. I dont like using resisters cause they get hot so try to work around that. Remember, current goes to the point of least resistance, that would be the LED'S Good L
 
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