Horn Issue (electrical)

1990 SCION TC
34,000 MILES • 4 CYL • 2WD • MANUAL
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WESLEYH05
  • MEMBER
  • 2 POSTS
My horn on my 2009 Scion tc won't work, its never worked since i've purchased it used and haven't payed much attention to it, the fuse is for sure good.
Jul 16, 2011 at 1:11 AM
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WESLEYH05
  • MEMBER
  • 2 POSTS
Its a 2009, profile fail
Jul 16, 2011 at 1:15 AM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Could be the horn button, the horn relay and horn itself
Jul 16, 2011 at 2:25 AM
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SWTOMLINSON
  • MEMBER
  • 6 POSTS
Check power to horn with Test Light when Horn button is pushed. If Test Light indicates power is there, replace horn assembly.

If no power is present, and fuse/relay is good as you say, then horn button or connection under steering wheel pad may be the culprit.

Check procedure should be done in this order.
Jul 16, 2011 at 3:16 AM
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