Welcome to ClassicBroncos! - You are currently viewing the forums as a GUEST. To take advantage of all the site features, please take a moment to register. It's fast, simple and absolutely free. So please join our community today!
If you have problems registering or can't log into your account, please contact Admin.
>>>> nope...... the 74'-'77s had the horn relay with one wire to the horn button which was a ground to activate the relay..... the early models I believe had 2 wires with one sending power straight to the horn.... pic below is the relay for the later models.......