Repair Safety Notice:
This information is for general instructional purposes only. Vehicle repair can be dangerous.
Verify all information, follow manufacturer service procedures, use proper tools and safety equipment,
and consult a qualified repair shop when needed.
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JACOBANDNICKOLAS
AUTOMOTIVE REPAIR CONTRIBUTOR
110,190 POSTS
Start by checking to see if there is power getting to the horn under the hood. Check fuses, check relay.
Dec 27, 2011 at 6:53 PM
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WAYNEBSAUNDERS
MEMBER
2 POSTS
how do you "check" the relay? It is listed as R6 in Jag manual
Dec 27, 2011 at 7:01 PM
JACOBANDNICKOLAS
AUTOMOTIVE REPAIR CONTRIBUTOR
110,190 POSTS
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.