Horn wiring diagram needed

1991 CHEVROLET TRUCK
175,000 MILES • 4.3L • 6 CYL • 4WD • MANUAL
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GMSJR87
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Need to know which wires are for my horn.
Jan 2, 2022 at 10:20 PM
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ASEMASTER6371
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They are dark green wires at the front of the truck by the grille. There should be a harness with those wires coming out of it.

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

I attached the diagram for you.

Roy
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Jan 3, 2022 at 2:59 AM