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Valkyrie Riders Cruiser Club > General > 1500 Tech Board > Rear Brake light
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Author Topic: Rear Brake light  (Read 1441 times)
Hogdaddy
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Posts: 42
« on: April 03, 2010, 03:28:20 PM »
Been fixing up the old IS, did the following: New K&N, desmog, new electrical fuel shut off, pulled rear wheel for service including new ujoint. Went over the entire bike and found rear brake light is not working. Pulled the sending unit and pulled the the plunger out, fuse OK  no luck.  Any ideas? Thanks
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Chrisj CMA
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Posts: 14783


Crestview (Panhandle) Florida
« Reply #1 on: April 03, 2010, 03:31:51 PM »
Does it come on with the front brake.  If yes, then not the bulb if no:

1. Bulb

2. Wire connection fender to fender area
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junior
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Posts: 1427


new hampshire
« Reply #2 on: April 03, 2010, 04:21:31 PM »
was the front brake light working?
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Chrisj CMA
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Posts: 14783


Crestview (Panhandle) Florida
« Reply #3 on: April 03, 2010, 05:01:35 PM »
Quote from: junior on April 03, 2010, 04:21:31 PM
was the front brake light working?
Junior does your bike have a front brake light........whos gonna see that?  lol  sorry couldnt help myself
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junior
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new hampshire
« Reply #4 on: April 03, 2010, 05:03:33 PM »
no................. but the question seemed funny at the time  2funny
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Hogdaddy
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Posts: 42
« Reply #5 on: April 03, 2010, 05:32:48 PM »
The brake lights work when front brakes are applied.
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XB70 Pilot
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Posts: 21


Chandler, Arizona
« Reply #6 on: April 03, 2010, 07:31:58 PM »
Hog daddy,

This happened to me on my I/S last week. The problem was with the rear brake switch located by the rear pedal. I ride on a drill team and I am constantly trail braking. The prolonged rear braking caused the contacts inside the switch to get warm. This melted the plastic inside the switch.  I disassembled the switch and cleaned the contacts. I also cleaned up the plastic inside and got the switch to move freely. Problem solved. Didn't cost a dime. 
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Hogdaddy
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« Reply #7 on: April 04, 2010, 05:30:50 AM »
Does the switch ground the brake light?
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RoboCop
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Posts: 182


Rose City OREGON
« Reply #8 on: April 04, 2010, 11:14:13 AM »
Quote from: Hogdaddy on April 04, 2010, 05:30:50 AM
Does the switch ground the brake light?


Nope, it's on the power side of the filament.  Testing for voltage on both sides of the switch with the pedal depressed sounds like the way to go.
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