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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!
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| | | | Joined: May 2022 Posts: 28 'Bolter | | 'Bolter Joined: May 2022 Posts: 28 | Until I can get my stock steering wheel horn squared away, I’m hoping to temporarily put in. 6v universal horn button. In looking at the ‘39 wiring diagram, I see that one wire from the horn is connected to power from the ammeter and the second wire goes to ground. Since I’ll be running new wires to the universal horn button, I’m not sure where the ground wire connects to ground so I’m hoping someone can give me a pointer on where I can connect the universal horn button’s ground wire. Thanks so much!
Mike
1939 1/2 ton Chevy
| | | | | Joined: Mar 2000 Posts: 1,182 Red dot, center of chest ... | | Red dot, center of chest ... Joined: Mar 2000 Posts: 1,182 | Ground should be anything metal on the truck. You can check that with an ohmmeter. | | | | | Joined: May 2005 Posts: 8,983 Sir Searchalot | | Sir Searchalot Joined: May 2005 Posts: 8,983 | As Paul says...... Hot wire to horn, no change. New wire from horn ground terminal to one terminal of new button. Wire from other button terminal to nearby clean metal spot. You can check that by pushing button.
Right is right, even if everyone is against it, and wrong is wrong, even if everyone is for it. - William Penn
| | | | | Joined: Mar 2000 Posts: 1,182 Red dot, center of chest ... | | Red dot, center of chest ... Joined: Mar 2000 Posts: 1,182 | bartamos, your sig is a mouthful. Funny, but a mouthful. | | | | | Joined: May 2005 Posts: 8,983 Sir Searchalot | | Sir Searchalot Joined: May 2005 Posts: 8,983 | Do you want me to cut it down? I will if it's too much.
Right is right, even if everyone is against it, and wrong is wrong, even if everyone is for it. - William Penn
| | | | | Joined: May 2022 Posts: 28 'Bolter | | 'Bolter Joined: May 2022 Posts: 28 | Thanks very much, baldeagle and bartamos! I appreciate the assistance!
Take care!
Mike
1939 1/2 ton Chevy
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