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Wiring in new rear turn signals

Sam_Sepiolx

Member
Joined
May 20, 2024
Total Posts
38
Total likes
5
Location
Greenville, SC
Currently working on wiring in some new rear turn signals as I plan to eliminate the rear lighting setup and chop the rear fender on my 1983 cm450e...

Currently I have the lights wired up and they are powering on when I use the turn switch, but the problem is both light up at the same time regardless of which direction I switch the signal. Photo below shows how I Currently have it wired: right red goes to blue body harness, left red goes to orange body harness. Both blues are currently run to solid green ground wire; I've tried running the ground/blue wires separately to chassis but it does the same thing where they light up both... is there a way to separate the signal to blue/orange body harness?
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They look very much like a pair I got from Aazon for a dual sport bike and had the same issue. Others are more knowledgeable for sure but, IIRC, I may have read something about the lack of a diode in the circuit for the LED lights (?). I just sent them back and got a non-LED set. Worked perfectly.
 
They look very much like a pair I got from Aazon for a dual sport bike and had the same issue. Others are more knowledgeable for sure but, IIRC, I may have read something about the lack of a diode in the circuit for the LED lights (?). I just sent them back and got a non-LED set. Worked perfectly.
Hmmm ok. Yes I noticed the rear turn lights only rely on 1 signal wire and then I assume self ground in their metal housing so 1 diode does make sense for LED... the fronts luckily have two signal wires so they seem to work correctly.

Worse case scenario I may just run wires up to the front to wire in the rears and see if it has enough juice to power two lights per circuit.
 
To test the circuit and make sure it’s just voltage leak over, unplug the dash indicator bulb. That eliminates the path to ground for the 5v that you’ll find.
 
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