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Click on image for the lowdown. 
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| | | Forums66 Topics128,029 Posts1,055,417 Members48,422 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Jan 2019 Posts: 2,242 Herder of Cats, Goats, and Sheep (moderator) | | Herder of Cats, Goats, and Sheep (moderator) Joined: Jan 2019 Posts: 2,242 | Yes, that horn relay wiring is correct.
The relay will only trigger if it has both power and ground.
For the headlights, the ground is always connected and you are switching the power.
For the horn, the power is always connected and you are switching the ground. | | |
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