Wiring schematics & diagrams
Lights & Bulbs
What are these wires that aren't attached to anything?
How to tell if your battery is dead
Why your bike needs a battery
How does the charging system work?
How to check the fuses
I want a louder horn
Waterproofing your electrical connections
Installing an accessory fuse box
Making your accessory wires 'switched'
How do relays work?
Opening your garage door with your light switch
Installing heated grips
How to replace the ignition switch
Installing a Sigma bicycle computer
How to read a multimeter
Installing a voltmeter
Installing connectors for your wiring
Understanding/troubleshooting the safety switches
My sidestand switch doesn't work right
Checking the clutch safety switch
Cleaning and servicing the clutch switch
I want to make my bike into a streetfighter
I want a small flashlight so I can see my stuff
Who wants to see a MOSFET R/R upgrade?
EX250 parts diagrams