Hella Supertone relay replacement - Subaru WRX Forum
 
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#1 Old 09-07-2011, 07:09 PM
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Hella Supertone relay replacement

The relay for my Hella Supertones is dead. I can't seem to find a replacement without buying more horns too. Anyone know how/where to just buy a relay?

Mike
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#2 Old 09-07-2011, 09:54 PM
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Let me look...
Do you need the one that works for the plug and play wiring harness or the one that doesn't need the plug and play wiring harness? I ask because I have the non plug and play wiring harness relay sitting here on my desk.

Kirt
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#3 Old 09-08-2011, 05:37 AM
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don't use the relay... just tap into the stock wiring... see if that suits your fancy.

Paul
2002 WRX Sold
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#4 Old 09-08-2011, 07:38 AM
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I don't know what type of relay it is, but it's got four prongs and I had to wire everything myself.

I here the horns are significantly quieter if you don't use the relay.

Mike
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#5 Old 09-08-2011, 09:00 AM
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I had the relay on my WRX and without on the STi and I couldn't tell a difference.

Paul
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#6 Old 09-08-2011, 09:37 AM
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How do I hook them up without the relay?

Mike
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#7 Old 09-08-2011, 10:23 AM
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Take the factory ones out (If they are still there)
Crimp the power on each to the factory wiring and then ground them.

Easy-cheezy

Paul
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#8 Old 09-08-2011, 02:08 PM
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You just need to pick up a standard automotive relay rated for 12V 30A. I don't encourage people bypassing the relay. It's there for a reason. You should be able to pick one up at an auto parts store, radio shack, or even the install bay of a best buy. Here's one I got from digikey.com for a different project.



This one is rated at 35A which is fine. Just don't go lower than 30A.

Jon
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#9 Old 09-08-2011, 02:26 PM
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Oh, i'm not encouraging it... Never had a problem as 1000's of others haven't.

Just sayin

Paul
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#10 Old 09-08-2011, 05:57 PM
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I'm not saying it won't work or you won't run into problems, but you're more than likely under powering them. I can't say for sure without finding out what current the factory horns are rated for. The better question is if you want it done, or if you want it done right. If I bought my horns to a professional and had them install it for me, I'd be pretty PO'd if I found out they bypassed the relays.

Jon
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#11 Old 09-08-2011, 07:14 PM
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Well, this is the relay you want if you wired its yourself and it didn't come with a wiring kit. The part number on the top is 4RA 965 400-00 12v 30A and the relay is made by Hella. I just wish I could find out what the other relay number is...I don't have my car back yet to find out. ;(

Kirt
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#12 Old 09-11-2011, 05:03 PM
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Looked at radioshack and advance auto, couldn't find the right relay. I just hooked up the horns without the relay. They are working perfect and I hear absolutely no difference in sound. Thanks for the help guys!!

Mike
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