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Horn Relay

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Old January 7th, 2017, 10:51 AM
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Default Horn Relay

Have a 2003 Burb Z71/4WD/TowPk, does anyone know where the Horn Relay is located on my ride ?
Old January 7th, 2017, 2:30 PM
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It's in the fuse box right behind the battery
Old January 11th, 2017, 3:24 PM
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Thanks, I'll try to find it

What my plan is to install a separate Horn Button on the steering column.
OEM replacement for a Horn Kit cost about $950.00 (so I'm told) at the Dealer, given that package unavoidably includes a new Air Bag.

Anyone done this, have any tips ?


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Last edited by SWHouston; January 11th, 2017 at 3:31 PM.
Old January 11th, 2017, 3:36 PM
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I also have an 03 Z71 (love it), if you pop the top off, and look at the diagram on the underneath, it will have everything mapped out, and labled. It is one close to the fender towards the middle. I can't take an image right now, as wife has it at work.
Old January 11th, 2017, 3:38 PM
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Originally Posted by SWHouston
Thanks, I'll try to find it

What my plan is to install a separate Horn Button on the steering column.
OEM replacement for a Horn Kit cost about $950.00 (so I'm told) at the Dealer, given that package unavoidably includes a new Air Bag.

Anyone done this, have any tips ?


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Son did on my old (now his) 2000 suburban
Old January 14th, 2017, 3:38 PM
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The way I've done this (years ago) was run a ground wire through the addon switch, and connect it to the ground side of the coil on the relay.
Is this the way you've done it ?




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