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Old 09-11-2019, 12:53 PM   #21
adileo
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Default Re: On the horn now

Thanks all for your help.

Jerry was correct. New relay installed horn now working
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1939 Deluxe coupe
1952 F1
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Old 09-12-2019, 09:20 PM   #22
Tinker
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Default Re: On the horn now

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Pete, would there be an issue to damage the horn on straight battery? They should work on straight voltage momentarily. It'd be a quick way to narrow down the issue. If they work it'll be easier to clean everything off and decide the next move. Isn't the relay to boost voltage on short bursts?

.

Understanding relays... I'm a pre 40s guy.

Okay I read relays divert power... shut off items not used, diverting power to things being used actively, giving full power(ish). Not like creating resistance or power like a coil.


Did horn relays actually exists though on 36s? Pretty sure in 38 they did as the frame has holes for it. They included a fuse and lights.



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Last edited by Tinker; 09-12-2019 at 09:32 PM.
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Old 09-12-2019, 09:41 PM   #23
petehoovie
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Default Re: On the horn now

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Understanding relays...
Did horn relays actually exists though on 36s? Pretty sure in 38 they did as the frame has holes for it. They included a fuse and lights. .

My '34 and '37 Fords do not have a horn relays....


https://www.explainthatstuff.com/howrelayswork.html
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Old 09-12-2019, 09:56 PM   #24
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Default Re: On the horn now

Thanks pete. Don't worry about hurting my feelings and just tell me right away.
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Old 09-13-2019, 08:12 PM   #25
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Default Re: On the horn now

Per the wiring diagrams, 1938 is the first year the cars started using a horn relay. The pickups and trucks did not use a relay until much later in time.
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