Initial Inspection and Diagnostic Overview

HORN
1. Disconnect wire connector at horn.
2. Using a voltmeter, connect one lead to ground terminal and the other lead to the positive wire terminal.
3. Depress the horn switch, battery voltage should be present.
4. If no voltage. If voltage is OK, go to Step 5.
5. Using ohmmeter, test ground wire for continuity to ground.
6. If no ground repair as necessary.
7. If wires test OK and horn does not sound, replace horn.