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ray_mcavoy · 05-09-2014, 08:06 PM

The horn relay is located under the dash.

On most of these trucks, it's plugged into a socket that's bundled to the wiring harness above the fuse panel.

But starting in 1985 (I believe), GM added a "convenience center" ... sort of a little sub-panel that holds the horn relay, hazard flasher, and key/seatbelt buzzer. If I remember correctly, that convenience center is located above (and just off to the side) of the gas pedal.

05-09-2014, 08:06 PM	#3
ray_mcavoy Registered User Join Date: Nov 2009 Location: Sherman, ME Posts: 2,373	Re: horn wiring help please The horn relay is located under the dash. On most of these trucks, it's plugged into a socket that's bundled to the wiring harness above the fuse panel. But starting in 1985 (I believe), GM added a "convenience center" ... sort of a little sub-panel that holds the horn relay, hazard flasher, and key/seatbelt buzzer. If I remember correctly, that convenience center is located above (and just off to the side) of the gas pedal.