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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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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#97932 11/03/2006 7:44 PM | Joined: Apr 2006 Posts: 171 Wrench Fetcher | | Wrench Fetcher Joined: Apr 2006 Posts: 171 | What still isn't making sense to me is that SPST relays are supposed to have two circuits: the higher power circuit that is being switched and the coil circuit that does the switching. So if you have two circuits you need 4 wires. The horn relay has three wires, with only one being power The other two wires lead to ground via the horn and horn button. So if the single power wire is used in both of the circuits in the relay, then what is the point of the relay? That is why I was thinking there must be an internal resistor or something to prevent the contacts in the horn button from getting burned out. Does that make sense? Sorry if I'm just totally missing something here! | | |
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