06 FXDBI Brake Light Issue
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06 FXDBI Brake Light Issue
Hoping to get some guidance here. So my tail light is functioning, but my brake light does not illuminate when either the brake lever or pedal are used. First I checked the bulb and its fine, even switched the wires to make sure both filaments worked. Next I changed all the fuses and those are all good. I followed the brake light wire up to the wiring harness and cannot find anything there or along the way. Any help at this point would be greatly appreciated. Thanks. Nait.
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From: South Carolina
Check for voltage at the rear brake light switch, the orange/white wire, it should have system voltage whenever the ignition switch is on.
Check the voltage at the red/yellow, it should have system voltage when either brake is activated.
Check the voltage at the red/yellow, it should have system voltage when either brake is activated.
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The red/yellow was reading at 1.5v and when I activate the brake it cuts to 0.0v
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From: South Carolina
Remove the two wires from the rear brake light switch, turn on the ignition switch, touch the wires together and see if the brake light illuminates.
Last edited by Dan89FLSTC; Jun 8, 2016 at 11:40 AM.
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Thread Starter
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Novice
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From: Omaha, NE
Just tried it and had no success. Still no brake light.
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Joined: May 2008
Posts: 21,129
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From: South Carolina
Reconnect the wires to the rear brake light switch.
Trace the red/yellow wire back to the connector toward the rear, it will have about 8 wires.
Unplug that connector and check for voltage at the terminal where the red/yellow wire is while activating the brakes.
Trace the red/yellow wire back to the connector toward the rear, it will have about 8 wires.
Unplug that connector and check for voltage at the terminal where the red/yellow wire is while activating the brakes.