Start by checking to see if there is power getting to the horn under the hood. Check fuses, check relay.

Answered by Jacobandnickolas (expert)
57,318 answers provided

how do you "check" the relay? It is listed as R6 in Jag manual

Response from waynebsaunders
1 question asked

Usually, there is another relay that will have the same part number. Switch them to see if that fixes it. If it does, get a new one.

Answered by Jacobandnickolas (expert)
57,318 answers provided