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Wiring for a RR 'meep meep' horn #382319 07/21/09 06:05 PM 07/21/09 06:05 PM
Joined: Jan 2003 Posts: 17,918 Akron, Ohio ProSport OP I Live Here
ProSport OP I Live Here Joined: Jan 2003 Posts: 17,918 Akron, Ohio	I have a RR horn, it only has one prong on the back to hook a wire to. I have a button on the dash that used to be for purging nitrous, I'm gonna use that for the horn button. I figured I'd just run a power wire to the horn from the dash button but a buddy of mine thinks the RR horns had to have some special relay to work properly. How do you wire these? 1970 Challenger, all aluminum 528 Hemi, HDK suspension, Tremec 5 speed manual

Re: Wiring for a RR 'meep meep' horn [Re: ProSport] #382320 07/21/09 06:25 PM 07/21/09 06:25 PM
Joined: Jan 2005 Posts: 2,179 S.E. Conn Hoof Hearted top fuel
Hoof Hearted top fuel Joined: Jan 2005 Posts: 2,179 S.E. Conn	Very cool idea! I've been thinking of making the horn buttons(not centered type) either a line lock hold or nos hold. Didn't mean to hijack your thread. Good luck. 2005 300C Hemi 2014 Ram ProMaster 2500 I Rekey, Repin old Chrysler locks and cut keys by code

Re: Wiring for a RR 'meep meep' horn [Re: ProSport] #382321 07/21/09 06:30 PM 07/21/09 06:30 PM
Joined: Jan 2005 Posts: 1,222 okla. O okie pro stock
okie pro stock O Joined: Jan 2005 Posts: 1,222 okla.	I know it has a relay but I think they all do so all you have to do is hook up 1 of your horn wires to it. That is the way I've all ways done it. Good Luck! Ronnie in Okla.

Re: Wiring for a RR 'meep meep' horn [Re: okie] #382322 07/21/09 07:15 PM 07/21/09 07:15 PM
Joined: Jan 2003 Posts: 17,918 Akron, Ohio ProSport OP I Live Here
ProSport OP I Live Here Joined: Jan 2003 Posts: 17,918 Akron, Ohio	This is a street strip race car so there's no relay or horn wire, just starting from scratch. I'm basically just asking if I can run a power wire straight to the horn, maybe with an in-line fuse for safety. And does it ground just by bolting the horn to the car?

Re: Wiring for a RR 'meep meep' horn [Re: Hoof Hearted] #382323 07/21/09 07:15 PM 07/21/09 07:15 PM
Joined: Feb 2003 Posts: 21,318 Manitoba, Canada DaytonaTurbo Too Many Posts
DaytonaTurbo Too Many Posts Joined: Feb 2003 Posts: 21,318 Manitoba, Canada	Horns need a lot more current than your stock steering wheel horn button will flow, which is why they used the relay. Plus the way they did it simplified the wiring. You push the horn button and it ground the switch feed to the relay, which then in turn sends a 12v + feed to the horn.

Re: Wiring for a RR 'meep meep' horn [Re: ProSport] #382324 07/21/09 07:21 PM 07/21/09 07:21 PM
Joined: Dec 2007 Posts: 7,759 So Cal HealthServices Why would you even post that?
HealthServices Why would you even post that? Joined: Dec 2007 Posts: 7,759 So Cal	You do not have to have a relay but it is recommended. If you used the standard bosch style relays they sell over the counter, you could do this. 85 will go to the switch the other end of the switch will go a good ground 87 will go to the horn Put a wire on 30 that will jump to 86 as well, then thru a 5-7.5 amp fuse and finally to the big post on the starter relay or other battery voltage source. make sure the horn is grounded well.

Re: Wiring for a RR 'meep meep' horn [Re: ProSport] #382325 07/21/09 07:47 PM 07/21/09 07:47 PM
Joined: Jan 2003 Posts: 5,138 East Aurora (Buffalo) NY RoadRunner master
RoadRunner master Joined: Jan 2003 Posts: 5,138 East Aurora (Buffalo) NY	The horn for the Road Runner was actuated through a relay. The relay was "closed" by completing the ground at the horn switch. That way, a higher current load could be passed through the relay instead of through the horn button, whcih would probably cause it to wear out faster. 68 Road Runner (383/4speed, post car w/decor pkg) - Major Project 69 Road Runner w/472 Hemi & 4 speed. 70 Challenger R/T SE EF8 w/ V9J, U - A32 - Major Project 2023 Ford Mach 1

Re: Wiring for a RR 'meep meep' horn [Re: RoadRunner] #382326 07/21/09 07:49 PM 07/21/09 07:49 PM
Joined: Mar 2004 Posts: 531 SE Michigan F farmington mopar addict
farmington mopar addict F Joined: Mar 2004 Posts: 531 SE Michigan	For what its worth, Testors(model car paint) sells a lilac paint that is a spot on match for the purple color of these horns. The decal is available at places like year one.

Re: Wiring for a RR 'meep meep' horn [Re: ProSport] #382327 07/21/09 07:51 PM 07/21/09 07:51 PM
Joined: Jan 2003 Posts: 6,531 Jacksonville, FL Chris2581 master
Chris2581 master Joined: Jan 2003 Posts: 6,531 Jacksonville, FL	I took the OEM horn out of my Dad's Road Runner and put it in my Duster when I was 16.It worked fine.No special relay was made or needed for the RR horn to work. Nautilus Racing- We use Superformance gaskets and Turbo Action converters/products.

Re: Wiring for a RR 'meep meep' horn [Re: HealthServices] #382328 07/21/09 07:52 PM 07/21/09 07:52 PM
Joined: Jan 2003 Posts: 17,918 Akron, Ohio ProSport OP I Live Here
ProSport OP I Live Here Joined: Jan 2003 Posts: 17,918 Akron, Ohio	Quote: You do not have to have a relay but it is recommended. If you used the standard bosch style relays they sell over the counter, you could do this. 85 will go to the switch the other end of the switch will go a good ground 87 will go to the horn Put a wire on 30 that will jump to 86 as well, then thru a 5-7.5 amp fuse and finally to the big post on the starter relay or other battery voltage source. make sure the horn is grounded well. Thanks! That's exactly what I was looking for. 1970 Challenger, all aluminum 528 Hemi, HDK suspension, Tremec 5 speed manual

Re: Wiring for a RR 'meep meep' horn [Re: Chris2581] #382329 07/21/09 08:17 PM 07/21/09 08:17 PM
A Anonymous Unregistered
Anonymous Unregistered A	Quote: I took the OEM horn out of my Dad's Road Runner and put it in my Duster when I was 16.It worked fine.No special relay was made or needed for the RR horn to work. The reason it worked in your duster is if you hooked it to the factory wiring, there ALREADY WAS a horn relay in the car.

Re: Wiring for a RR 'meep meep' horn #382330 07/21/09 08:21 PM 07/21/09 08:21 PM
Joined: Jan 2003 Posts: 6,531 Jacksonville, FL Chris2581 master
Chris2581 master Joined: Jan 2003 Posts: 6,531 Jacksonville, FL	Ya think?? I posted because of the other posts saying a "special relay" was needed. Nautilus Racing- We use Superformance gaskets and Turbo Action converters/products.

Re: Wiring for a RR 'meep meep' horn [Re: Chris2581] #382331 07/21/09 08:30 PM 07/21/09 08:30 PM
A Anonymous Unregistered
Anonymous Unregistered A	Quote: Ya think?? I posted because of the other posts saying a "special relay" was needed. The way I read his post, he's saying he doesn't HAVE the factory horn wiring. Ya think?

Re: Wiring for a RR 'meep meep' horn [Re: ProSport] #382332 07/21/09 10:53 PM 07/21/09 10:53 PM
Joined: Feb 2003 Posts: 4,503 NJ 4 440challenger master
440challenger master 4 Joined: Feb 2003 Posts: 4,503 NJ	Anyone know where the horn relay mounts and what wires go to it on a 68 runner? Is it under the dash or in the engine compartment?

Re: Wiring for a RR 'meep meep' horn [Re: 440challenger] #382333 07/21/09 11:11 PM 07/21/09 11:11 PM
Joined: Dec 2007 Posts: 7,759 So Cal HealthServices Why would you even post that?
HealthServices Why would you even post that? Joined: Dec 2007 Posts: 7,759 So Cal	Quote: Anyone know where the horn relay mounts and what wires go to it on a 68 runner? Is it under the dash or in the engine compartment? In the engine compartment near the horn I think. Don't know if this is a 68,69, or 70 5367661-hornrelay.jpg (486 downloads) Allen Here's a novel idea, let's not throw a bunch of parts at the car hoping it will fix the problem and instead spend a little time diagnosing it first. Life was a little easier when I was just a wrench.

Re: Wiring for a RR 'meep meep' horn [Re: HealthServices] #382334 07/22/09 05:33 PM 07/22/09 05:33 PM
Joined: Sep 2003 Posts: 3,426 weymouth,mass. M meepmeep70 master
meepmeep70 master M Joined: Sep 2003 Posts: 3,426 weymouth,mass.	my 70 runner,relay is under the dash,mounted 6" to the left of the ashtray

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