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Horn relay location

Tiny
STU710
  • MEMBER
  • 2005 HONDA ODYSSEY
  • 3.5L
  • V6
  • 2WD
  • AUTOMATIC
  • 180,000 MILES
Cannot find the horn relay for my van. I found the fuse. The car horn is not working.
Saturday, January 14th, 2017 AT 8:30 AM

11 Replies

Tiny
STU710
  • MEMBER
  • 6 POSTS
It is a Touring Edition.
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Saturday, January 14th, 2017 AT 9:27 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
See picture for where it is. however, it may be inside the module and not replaceable and needing a scan for codes by a mechanic. check wire leading to horns either with a test light or volt meter for power.

See the guides below for using a voltmeter and test light, also for testing wiring

https://www.2carpros.com/articles/how-to-check-wiring

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

https://www.2carpros.com/articles/how-to-use-a-voltmeter

Wiring diagram is attached below
Image (Click to make bigger)
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Saturday, January 14th, 2017 AT 9:41 AM
Tiny
STU710
  • MEMBER
  • 6 POSTS
That would explain why I can't find it. Thanks.
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Sunday, January 15th, 2017 AT 7:34 AM
Tiny
STU710
  • MEMBER
  • 6 POSTS
Got the horns off and back traced the wiring and it goes to the Fuse Box. Can't find the relay still
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Sunday, January 15th, 2017 AT 9:02 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Reread my reply if it's in the module you will never find it as it's an encased relay
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Sunday, January 15th, 2017 AT 9:12 AM
Tiny
STU710
  • MEMBER
  • 6 POSTS
Gotcha. Thanks.
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Sunday, January 15th, 2017 AT 10:17 AM
Tiny
STU710
  • MEMBER
  • 6 POSTS
I'll try testing the wires to the horn to see if they get voltage. Thanks again
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Sunday, January 15th, 2017 AT 10:19 AM
Tiny
HONDAHORN
  • MEMBER
  • 2 POSTS
  • 2000 HONDA ODYSSEY
Horn starting blowing on its own, then blew #47 fuse. Replaced fuse but when I try to blown horn, fuse blows again. What is the cause and the fix?
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Wednesday, November 21st, 2018 AT 4:46 PM (Merged)
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Check the horn and its relay.
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Wednesday, November 21st, 2018 AT 4:46 PM (Merged)
Tiny
DOROTHY49
  • MEMBER
  • 1 POST
  • 1995 HONDA ODYSSEY
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 100,000 MILES
The horn goes off when it rains.
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Wednesday, November 21st, 2018 AT 4:46 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the horn wiring connector and the horn relay
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Wednesday, November 21st, 2018 AT 4:46 PM (Merged)

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