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Click on image for the lowdown. 
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| | | Forums66 Topics128,162 Posts1,056,910 Members48,458 | | 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 2008 Posts: 4,962 'Bolter | | 'Bolter Joined: Jan 2008 Posts: 4,962 | Power comes from the battery and goes through the relay to the horn button, but there is no ground and therefor no circuit. When you press the horn button, you complete the circuit to ground and the relay closes by making an electro magnet. Power from the battery then also goes trough the relay switch to the horn. The horn is grounded and you have made a circuit and the horn blows. | | |
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