Horn: Testing and Inspection

- Check the 20 Amp fuse in cavity 8 of the junction block
- Check the 40 Amp fuse located in cavity 12 of the PDC
- Press the horn switch and listen for the horn relay to click. A clicking relay indicates voltage is present up to the switch
- Check for a good ground at the left strut tower for the left horn, and at the right frame rail for the right horn