 Dual horn question, 73 2.0 |
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| Sea Rooster |
 Oct 1 2021, 02:11 PM
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#1
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Member  Group: Members Posts: 106 Joined: 8-March 18 From: Nashville, TN Member No.: 21,948 Region Association: South East States 
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My 73 2.0 has dual horns and one of them doesn't work. Before I replace it does anybody know if they have different tones? Anything else I should know?
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| 914werke |
Oct 1 2021, 02:47 PM
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#2
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"I got blisters on me fingers" Group: Members Posts: 10,052 Joined: 22-March 03 From: USofA Member No.: 453 Region Association: Pacific Northwest
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They do, look on the back they should be embossed either 350 or 400 hz
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| seanpaulmc |
Oct 1 2021, 02:51 PM
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#3
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Member Group: Members Posts: 299 Joined: 6-December 16 From: Orlando, FL Member No.: 20,649 Region Association: South East States
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QUOTE(Sea Rooster @ Oct 1 2021, 04:11 PM)  My 73 2.0 has dual horns and one of them doesn't work. Before I replace it does anybody know if they have different tones? Anything else I should know? I've read on here they are repairable. Don't remember who's thread but l hope someone knows the link and will post it. |
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| roblav1 |
Oct 1 2021, 08:11 PM
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#4
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Senior Member Group: Members Posts: 528 Joined: 18-September 12 From: KY Member No.: 14,943 Region Association: MidAtlantic Region |
I've tsken these apart on early 911's and got them to work. If I recall correctly, there's a screw in there that adjusts the frequency.
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| rhodyguy |
Oct 2 2021, 10:13 AM
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#5
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Chimp Sanctuary NW. Check it out. Group: Members Posts: 22,075 Joined: 2-March 03 From: Orion's Bell. The BELL! Member No.: 378 Region Association: Galt's Gulch |
Test the seemingly dead one, by itself, with a 12V supply. When they both work, it's pretty loud.
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| 914werke |
Oct 2 2021, 10:39 AM
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#6
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"I got blisters on me fingers" Group: Members Posts: 10,052 Joined: 22-March 03 From: USofA Member No.: 453 Region Association: Pacific Northwest
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QUOTE(seanpaulmc @ Oct 1 2021, 01:51 PM) QUOTE(Sea Rooster @ Oct 1 2021, 04:11 PM) My 73 2.0 has dual horns and one of them doesn't work. Before I replace it does anybody know if they have different tones? Anything else I should know? I've read on here they are repairable. |
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| bperry |
Oct 2 2021, 11:45 PM
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#7
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Lurker Group: Members Posts: 477 Joined: 16-February 04 From: Dallas, Tx Member No.: 1,661 |
QUOTE(914werke @ Oct 1 2021, 03:47 PM) They do, look on the back they should be embossed either 350 or 400 mhz You mean Hz as mHz is way WAY above human hearing which for most people ends about 20 kHz. --- bill |
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| IronHillRestorations |
Oct 3 2021, 08:09 AM
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#8
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I. I. R. C. Group: Members Posts: 6,716 Joined: 18-March 03 From: West TN Member No.: 439 Region Association: None
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We just went through a horn that didn't work. There's contact points inside the horn that get corroded. There are magnet coils in there too that could get corroded, which could make it useless.
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