Installing a Trail Tech Vapor: Difference between revisions

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*Run the tachometer wire to one of the coils, instead of wrapping it around a spark plug wire as the directions say.  
*Run the tachometer wire to one of the coils, instead of wrapping it around a spark plug wire as the directions say.  
*To fix erratic rpm reading (tremendous swing from very low to very high for no reason), you'll want to connect the red wire running from the TT Vapor tach to the black wire on the coil (while sitting on bike - left coil) and the black wire from the TT Vapor tach to the horn mounting bolt. If you are using the RED lead off the coil to your RED TT Vapor wire ... this needs to change.


*For the speedometer, use the magnet that is supplied, and follow the directions for attaching that magnet that are in the [[Installing a Sigma bicycle computer|bicycle speedo]] article. Epoxy or JB Weld work to hold the magnet to the brake rotor. Run the wire for the speedometer along the brake hose.  
*For the speedometer, use the magnet that is supplied, and follow the directions for attaching that magnet that are in the [[Installing a Sigma bicycle computer|bicycle speedo]] article. Epoxy or JB Weld work to hold the magnet to the brake rotor. Run the wire for the speedometer along the brake hose.