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GrantCard
05-30-2013, 7:05 PM
purchased a side mount tail lite with dual bulb for break light and running light . the bulb has two filaments in it. problem is only two wires a black for power and green that is ground. can get the running light to work but how do I get the break light to come on with only the one black wire this is a no school choppers light

3tc
05-30-2013, 7:11 PM
The bulb is an 1157.if ure bike is hardtail then replace the 1157 with a 1157r.u will be breaking not only filaments but prolly shattering bulbs as well. I cant go more than 4miles with an 1157 without breaking it.yeah its rubber mounted.the 1157r is led and way less fragil.18$for a two pack.
that said are u sure one is ground and not one for break and one for tail?with the housing acting as ground..put power to the wire u are calling ground and ground the housing.see what happenes

SnakeArms
05-30-2013, 7:35 PM
the difference between break and brake is crucial here.

Massyamaha
05-30-2013, 7:51 PM
I bet the housing is the ground and the two wires are what u need.

rooster52478
05-30-2013, 8:32 PM
The housing is the ground. Try running a piece of wire from one of the bolts on the back to a ground source and it should work. You don't need that wire though. Just have to get rid of any painted surfaces between the light, bracket, and however the bracket is mounted on the frame.

3tc
05-30-2013, 9:37 PM
Ever heard the one about taking 5 poles to change a light bulb?snake can be the super.or is it supper?

SnakeArms
05-30-2013, 10:16 PM
It only takes one pole.

http://compare.ebay.com/like/230573996096?var=lv&ltyp=AllFixedPriceItemTypes&var=sbar

Have a supper day!

lambeaubob
05-31-2013, 12:00 AM
im running a similar setup. if yours is the same as mine, your tail light doesnt have a ground wire. it grounds itself through the metal case. one wire should be for brake and the other for the running light

GrantCard
05-31-2013, 5:37 PM
will try thanx

GrantCard
05-31-2013, 5:41 PM
thanx for the spelling bee

GrantCard
05-31-2013, 6:45 PM
yep that did the trick thanx