LED Brake / Running light - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
Electrical
Where does this wire go?
Includes Electrical mods, Lights, Stator,
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post #1 of 4 (permalink) Old 02-27-2017, 01:34 PM Thread Starter
FastHamFreddy
 
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LED Brake / Running light

I read other posts, and I am not sure if I am misunderstanding something or if I got a bad brake / running light.

I purchased it on ebay, and made sure it had three cords. I hooked it up to the female end of the existing stock brake / running light, and plugged it in. There is no response when I apply the front or rear brake. I disconnected the front brake wires under the lever that send the signal, and I screwed the rear brake to the lowest point. Still no change in the light.

Is there something else I need to do since it is a LED light? Or am I missing something?

Here is a link to the light I switched over to. LED Tail Brake Light License Plate Bracket Side Mount For Bobber Chopper Harley | eBay


Thanks!

1987 Vulcan 750

What Has Been Done:
New Battery
Stator Mod
Spline Lube
Starter Relay - replaced
Ignition Coils - replaced
ACCT's to MCCT's
Seat Mod
Re-position Rear Blinkers
New Fork Seals
Lowered Shocks
Ear Shave
Coaster Mod

Still to come:
Remove air box
Side Mount License Plate
Re-Position Horns
New Mirrors
New Exhaust
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post #2 of 4 (permalink) Old 02-27-2017, 02:58 PM
Alpha Geek
 
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Being made of diodes, you'll get no light if you have the +/- switched.

Apply 12v to the leads from any car or motorcycle battery, even a half dead one, or from a battery charger. If it lights, you have an issue with your wiring or switches that can be traced with a test light or multimeter. If it doesn't light, RMA it.

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post #3 of 4 (permalink) Old 02-27-2017, 04:44 PM
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Yea, a lot of time LEDs do need the positive and negative to be hooked up correctly. Our brake light as a Black/Yellow wire a red wire and a blue wire. looking at the picture in your link, you have a red, a black and a green wire on your new LED. This is only a guess, but I think you are going to want your green wire to connect to your bikes black/yellow wire and then your red to red and your back to the blue. Like i said that is a guess. Either way, your LED more than likely does require correct polarity and you probably have a wire crossed. Same thing happened to me recently. Took me a minute to figure out what was wrong because not only was my polarity backwards but I wasn't getting a good connection on my tests.

Drew
'03 VN750 a little over 4300 miles
Spline lube
F&S Rear blinker relocation
F&S Luggage rack
Saddlebags
F&S Extended backrest
Mustang seat
F&S Engine guard
Plexifairing 3 windshield
KM style dash
LED everything + additional brake lights &
LED plate bolts


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post #4 of 4 (permalink) Old 02-27-2017, 10:48 PM Thread Starter
FastHamFreddy
 
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Thanks, Hex!

Got it working. The + and - were switched. Really appreciate the help!

1987 Vulcan 750

What Has Been Done:
New Battery
Stator Mod
Spline Lube
Starter Relay - replaced
Ignition Coils - replaced
ACCT's to MCCT's
Seat Mod
Re-position Rear Blinkers
New Fork Seals
Lowered Shocks
Ear Shave
Coaster Mod

Still to come:
Remove air box
Side Mount License Plate
Re-Position Horns
New Mirrors
New Exhaust
FastHamFreddy is offline  
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