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Motorcycle Repair/turn signal module location


bobo wrote at 2008-09-23 20:27:54
The TSM is actually mounted behind the headlight in the nacelle. It will be on the left side if sitting on the bike. If you turn your handlebars to the right, and look between the gas tank and forks you will see a rectangular box with a 7/16 bolt running through it. When you loosen the bolt and remove the TSM, the plug will have eight leads in it.

mike wrote at 2012-11-06 00:05:29
BOBO is right on the money, on my 99 road king X-cop bike, the TSM is on the left side, right behind the headlight housing.

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Roy Fowler


Any questions about Harley-Davidson motorcycles, from flatheads to twin-cams. If I don't know, I'm not afraid to tell you!


Factory Certified Harley mechanic (HD Factory Service School, Milwaukee) Worked in numerous dealerships in Florida, Mass., CT, and RI. Did his first top end job in 1969. Has owned dozens of bikes including flatheads, panheads, shovelheads, sportster, evo, and twin-cams.

High school, college, and law school grad in additon to Harley Factory School and Harley update seminars.

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