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1980 GS1100 Modifications

  • Thread starter Thread starter RKM50
  • Start date Start date
Have you checked to see whether or not the brake light switch isn't sticky? Is the little plunger going in and out when you depress the rear brake pedal? Does it work with the front brake lever, or with neither?
 
I checked both switches with a meter and they both gave an ohm reading when depressed and zero when not depressed. I got everyhting else to work. As a last resort I will run new wires for the brake light. There is a lot of access wiring since removing the instrument pod that I need to remove.
Here is a pic of the new turn signals, gauges and headlight. Got some new tires put on also.
 
Latest pic

Latest pic

Got some new tires mounted. Old rear was full of slime sealant, what a mess. The front had a tube installed. Also installed some turn signals and grips. Had some R/R and charging issues, ended up replacing the R/R and everything somes to be working fine, except the brake light, still.
 
RKM50 said:
Spent some time friday working on wiring. No matter what I tried, I couldn't get the brake light to work, and the bulb is new. I actually got it to come on once but then it wouldn't go off.
While searching for custom wiring diagrams I found this: http://www.phatperformanceparts.com/Badlands_Illuminator_Pro_3_ILL_PRO_III_p/ill-pro-iii.htm
So was wondering if anyone has experience with one of these units? Its also way cheaper than the stock turn signal control unit.
PS: I do have a wiring diagram for the bike.
Click to expand...
I am currently having the same prob with my 1100 e. The license plate light is on but the brake light will not come on. Are you saying this is affected by a bad tscu?
 
My bike had indicator lights on the instrument pod that would come on for a blown tail light bulb, side stand down, head light out and a couple other things. So I believe the brake light circuit ran through there and since I took off the pod it doesn't work. It may be as simple as jumpering two wires. I hadn't thought of the tscu being a problem since my turn signals work fine, but it may be something to check. I need to look at my wiring diagram again. I was hoping to nurse it through the summer and remove the excess wiring this winter when I strip the bike down for painting and powder coating.
 
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