Recently replaced ignition switch and when put back together horn blows constantly
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Apr 30, 2026 at 8:58 AM
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STRAILER
✓Experienced Mechanic
55,588 POSTS
Yep, this happens when the contact plate is grounded or the horn pad is worn out. Make sure the horn pad contact lines up with the receiving end of the contact plate.
Check out the images (below). Please let us know what happens.
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May 1, 2026 at 8:50 AM
TJMOWBRAY
MEMBER
85 POSTS
Is they're any kind of diagram I have Haynes manual but nothing about the horn
May 1, 2026 at 9:50 AM
STRAILER
✓Experienced Mechanic
55,588 POSTS
I check in all data there is nothing, the horn blows when the circuit is grounded. Can you remove the green bit so I can see under it? Please upload an image.