18. LIGHTS/INSTRUMENTS/SWITCHES/HORN/ FUEL UNIT K-PIPE 125 STARTER BUTTON Disconnect the right switch wire coupler. Check for continuity between the black and yellow/red wires. Color Position Black Yellow/Red FREE PUSH Starter Button Horn Button HORN BUTTON Remove the decorative covers under the fuel tank. Disconnect the left switch wire coupler. Check for continuity between the black and light green wires. Color Position Black Light Green FREE PUSH Light Green Black HORN Remove the steering head decorative cover. Disconnect the horn wire coupler. The horn is normal if it sounds when a 12V battery is connected across the horn wire terminals. Replace the horn if it does not sound. 18-4