Electrical & Lighting

Wiring schematics & diagrams

Battery stuff

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

Alternator Information

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

Soldering 101

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