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YoungPUP
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« on: January 15, 2014, 05:46:39 PM » |
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My local car dismantler called today to let me know he had gathered the set of the horns I was looking for, for the Valk. A set of 4 note horns from a GM (Caddy or Buick). MY question is Will the stock horn wiring be able to trigger the 2 relays needed for the 4 horns? Or should I use a relay to trigger the 2 relays that power the horns???? Here's the sound of the new Horns.
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Yea though I ride through the valley of the Shadow of Death I shall fear no evil. For I ride the Baddest Mother F$#^er In that valley!
99 STD (Under construction)
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hubcapsc
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Posts: 16788
upstate
South Carolina
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« Reply #1 on: January 15, 2014, 05:54:14 PM » |
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My local car dismantler called today to let me know he had gathered the set of the horns I was looking for, for the Valk. A set of 4 note horns from a GM (Caddy or Buick). MY question is Will the stock horn wiring be able to trigger the 2 relays needed for the 4 horns? Or should I use a relay to trigger the 2 relays that power the horns???? Here's the sound of the new Horns. 4 Note Caddilac Horns on CherokeeI think relays live to be tripped by next to nothing, and that your horn wire could run two relays with no problem... -Mike "not an electrician" |
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Chiefy
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« Reply #2 on: January 15, 2014, 06:52:27 PM » |
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Why not use 1 relay with 2 poles?
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 1998 Valk Standard 52,500 miles |
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YoungPUP
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« Reply #3 on: January 15, 2014, 06:54:47 PM » |
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Chiefy, that was my thought, but I'd still need 2 of those relays as I have 4 horns total to make the set.
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Yea though I ride through the valley of the Shadow of Death I shall fear no evil. For I ride the Baddest Mother F$#^er In that valley!
99 STD (Under construction)
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wiggydotcom
Member
Posts: 3387
Do Your Best and Miss the Rest!
Yorkville, Illinois
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« Reply #4 on: January 15, 2014, 06:56:28 PM » |
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Relay coils should pull minimum wattage. You would then run bigger wire through your contacts to the horns themselves. And fuse them----in case of a short.
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« Last Edit: January 18, 2014, 09:23:41 PM by wiggydotcom »
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VRCC #10177 VRCCDS #239  |
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wiggydotcom
Member
Posts: 3387
Do Your Best and Miss the Rest!
Yorkville, Illinois
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« Reply #5 on: January 15, 2014, 06:59:02 PM » |
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Chiefy, that was my thought, but I'd still need 2 of those relays as I have 4 horns total to make the set.
Each pole of a decent size relay should be easily able to handle 2 horns(probably all 4) . You can pair em up to each contact and use one relay as suggested. |
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VRCC #10177 VRCCDS #239 |
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YoungPUP
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« Reply #6 on: January 15, 2014, 07:02:05 PM » |
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Thankyou Gentleman.
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Yea though I ride through the valley of the Shadow of Death I shall fear no evil. For I ride the Baddest Mother F$#^er In that valley!
99 STD (Under construction)
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Chiefy
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« Reply #7 on: January 15, 2014, 07:14:02 PM » |
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Thankyou Gentleman.
WHO YOU CALLIN' A GENTLEMAN?!  |
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1998 Valk Standard 52,500 miles |
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R J
Member
Posts: 13380
DS-0009 ...... # 173
Des Moines, IA
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« Reply #8 on: January 15, 2014, 10:15:17 PM » |
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Hey Youngpup, drop in at the BIGBF.COM sight and take a look at the items you get when buying his quad set of horns. Too damn cold to go out to the garage and look at MGM. I have his horns on MGM, have had them on there for over 6 or 7 years. http://www.bigbf.com/bigbf_shop/bigbf_horns/index.htmLooks like he utilizes 1 relay. |
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44 Harley ServiCar   |
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YoungPUP
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« Reply #9 on: January 16, 2014, 02:40:31 AM » |
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Thank you ALL (That better CHiefy?  )for your help. I thought that might work but just wanted to double check my theory. Now over to the parts store for a relay and a fuse holder. |
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Yea though I ride through the valley of the Shadow of Death I shall fear no evil. For I ride the Baddest Mother F$#^er In that valley!
99 STD (Under construction)
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hubcapsc
Member
Posts: 16788
upstate
South Carolina
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« Reply #10 on: January 16, 2014, 03:56:24 AM » |
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Thank you ALL (That better CHiefy? )for your help. I thought that might work but just wanted to double check my theory. Now over to the parts store for a relay and a fuse holder. When I got relays five or six years ago, several of them were heavy and seemed to be made solidly. Now NAPA and Advance and AutoZone all have lightweight inexpensive relays whose covers are just clipped on. I googled around looking at Bosch ones and stuff, but you can just look at pictures online... what are some "good" relays...? In all my looking, I got the idea that if you don't use the middle blade, four blade and five blade relays are functionally equivalent... ? -Mike |
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Gryphon Rider
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Posts: 5227
2000 Tourer
Calgary, Alberta
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« Reply #11 on: January 16, 2014, 12:14:45 PM » |
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Buick connects all four horns through a single 15A fuse. One 30A relay is fine for all four horns. Just use the original horn wire from the horn button to trigger the relay. I did it and it works. If you are going ahead with two relays, yes, the stock horn wiring/fusing is fine for the relay trigger.
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« Last Edit: January 16, 2014, 12:16:22 PM by Gryphon Rider »
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scoobydoo
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« Reply #12 on: January 17, 2014, 04:09:51 PM » |
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I've got 4 horns and only used 1 relay, so far so good.  |
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bentwrench
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« Reply #13 on: January 18, 2014, 06:45:22 AM » |
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When I had 4 fiam freeway blasters on my tourer(pre belly tank) I tested them on the bench.They pulled 17 amps,thats well below the limits of a 30 amp relay. www.delcity.net has some high quality relays,connectors,and shrink wrap for very good prices. BW |
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Gryphon Rider
Member
Posts: 5227
2000 Tourer
Calgary, Alberta
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« Reply #14 on: January 18, 2014, 06:25:32 PM » |
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FYI, I just searched a large electronic component supplier's web site (Digikey in Canada), and the most current required to operate the coil of a 12V 30A or 40A automotive relay is 151mA.
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da prez
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« Reply #15 on: January 18, 2014, 07:32:49 PM » |
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PUP , do not go cheap on a fuse holder. Get a screw together style that will withstand a V-twinkie. (if possible) A push together type will loosen and cause a high resistance , and early failure. Be sure to also tie the wires to prevent rubbing. da prez |
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