brake light problem
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Seasoned HDF Member
Joined: Oct 2012
Posts: 11,210
Likes: 3,041
From: St.Louis Mo.
brake light problem
my old 92 heritage which my brother has now just started acting up. the brake light only works when the lights are turn on. no brake light when just in ignition mode. any ideas ? thanks !
Club Member
Joined: Aug 2008
Posts: 22,850
Likes: 17,895
From: Lafayette, Louisiana
Please restate the problem. Lights are on when a motorcycle is running ever since around 1978. In other words, there is no turning them off.
When you squeeze the front brake lever, does the brake light illuminate? You should see it go from being lit to being lit much brighter. If not, then you need to look at the bulb or front brake light switch.
Do the same thing for the rear brake. It has its own brake light switch.
When you squeeze the front brake lever, does the brake light illuminate? You should see it go from being lit to being lit much brighter. If not, then you need to look at the bulb or front brake light switch.
Do the same thing for the rear brake. It has its own brake light switch.
Thread Starter
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Seasoned HDF Member
Joined: Oct 2012
Posts: 11,210
Likes: 3,041
From: St.Louis Mo.
unhooked the stay on headlight on it when it was new, did the same to my 79 lowrider. neither brake light works , back or front just when the ignition is on. once you turn to the light postion, they both work. i'm thinking maybe a ground wire.
Stellar HDF Member
Joined: Jan 2015
Posts: 2,504
Likes: 150
From: ct
It sounds to me that it needs to get its power from both positions,my brake lights work when in the ignition on, lights off position. You may need to simply chase the wire which may not be so simple..
Seasoned HDF Member
Joined: May 2008
Posts: 21,105
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From: South Carolina
If it were a ground wire, the brake light and tail light would not work no matter what the position of the ignition switch.
Check the connections at the ignition switch.
Check the connections at the ignition switch.
Last edited by Dan89FLSTC; Dec 11, 2016 at 02:22 PM.
Simple as the power to the brake light circuit has bad contact at the switch (ignition only post). Clean all the switch contacts and terminations. I would recommend connecting it back correctly like it was originally.
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Seasoned HDF Member
Joined: Nov 2009
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From: Farmington ,MS
You need to check the ignition switch with a meter.
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