71 CB350 LED turn signals inop.

Led bulbs are polarity sensitive, they wont work work with ground/hot wires reversed. Been doing any rewiring? Take the bulbs out and test them on your battery to see if they work on their own.

Did you install the diodes correctly? Without the diodes, nothing will work.

Yes, I watched a few videos and believe it's right. Power from the indicator bulb goes to the main line then it splits and goes to the back bulbs. Then the other indicator line goes to ground.

mike in idaho said:

Led bulbs are polarity sensitive, they wont work work with ground/hot wires reversed. Been doing any rewiring? Take the bulbs out and test them on your battery to see if they work on their own.
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mike in idaho said:

Led bulbs are polarity sensitive, they wont work work with ground/hot wires reversed. Been doing any rewiring? Take the bulbs out and test them on your battery to see if they work on their own.

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I will have to take them out and test them that's a good idea. I know I'm getting voltage to at least the LH front bulb but it still isn't lighting up. It could definitely be reversed polarity since I also upgraded my headlight to an LED but that works fine so I didn't think it would affect the turn signals. I'll have to double check that with the wiring diagram.

Disconnect the turn signal indicator at speedometer and connect both of its wires to ground. If that works, you will need a separate wire for turn signal indicator.

EntropyIncarnate said:

So I switched to all LED lighting on my 71' CB350. I can not get my turn signals to work. I have a new flasher relay, new bulbs in everything, and the diode is wired into the indicator light wires then splitting. I can get my indicator to come on when I switch back and forth, but not my actual lights. The indicator also stays solid and does not blink.

Everything was bought from Common Motor and their LED blinker upgrade kit.

Thanks in advance.

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I noticed that you said "diode" & not diodes. You need 2 of them, one on each side, then the light gets grounded.
Maybe you meant to say diodes?

it should be Diodes.

RlListon

Welcome to the forum rleeliston.
Are you experiencing any issues on your bikes?
What classics do you have?

afarooqi78 said:

Disconnect the turn signal indicator at speedometer and connect both of its wires to ground. If that works, you will need a separate wire for turn signal indicator.

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If you do this, you're grounding both wires that go to the turn signals. Here's how to make the indicator light work from the both the left and the right turn signal lines on Honda's.
You hook the negative ends of two diodes to the turn signal wires. (A diagram would save me 400 words here but somehow I can't get a picture to load). The two positive ends, the ones with bands around them, connect together, and connect this junction to the indicator bulb. Ground the other bulb lead and you will have a setup that actually works.
I run a company called the expert cycle electrics so I know a bit about this stuff. I used to work at American Honda, in their US headquarters as the a motorcycle electrical engineer. 😊

There seems to be a problem with the server. I've tried 3× to post a very small picture of this, but I keep getting the same reply:

• A server error occurred. Please try again later.

I wonder what the problem posting pictures is. ☹