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  1. #1

    Default Horn doesn't work - what next?

    The horn in my 04 Silverado doesn't work any longer. I found a fuse in the block under the hood and it's good. Don't know where I should go next. Anyone know know if there is a shared relay - or another fuse? (I didn't see anything in the Omanual).


    04 Silverado - Z71
    5.3L V8
    No modifications

  2. #2


    There should be a horn relay under the hood in the electrical box located on the drivers side. The diagram on the bottom lid of the box should show you which one it is. It should be on the bottom row (closest to driver side fender), the second or third one over depending on what options your truck has. If you suspect it to be the relay you could always find one with the same number in the box and switch it with the horn relay. On my truck the low beam relay is the same as the horn relay. If it works then you found the issue. If not I would use a test light and have someone press the horn button and see if you are getting power to the connecter to the horn itself.

    1995 Silverado 4x4
    6" BDS Suspension Lift-3" Body Lift-Add A Leaf in rear -Trailmaster SSV Shocks-Duel Steering Stabilizer Kit -AirAid Cold air intake-
    4.56 Gears with Detroit Auburn Locker-Pro-Comp Traction Bars with duel shocks-Aluminum Skid Plate Kit-38.5" x 16.5" Mickey Thompson Baja Claws-Constant Dropping fuel gauge

    2005 Yukon XL Jet Power Programmer, Bilstein Shocks, Bilstein rear springs, Helwig Anti-sway bars, EGR Window Visors, EGR Hood Shield, Denali Headlights, Headlight harness upgrade, GE NightHawk Bulbs, White Night Rear lighting system, Russell Braided SS brake lines, PowerStop Brake pads, PowerStop cross drilled and Slotted Rotors,
    2002 Silverado ext cab 2wd (Sold)
    2003 Yukon XL (Totaled)

  3. #3


    I'll certainly look into that. I did notice that when I locked the door the horn sounded. Making me think that i may be

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