72 horn relay
02-01-2017, 05:26 PM
#1
Instructor
Thread Starter
72 horn relay
Short story. Horn stopped working on my 72. Can hear relay click when horn button is pushed, but no noise from horn. Ran a wire direct from a 12v source to horn and it honked so it's not a bad horn assembly.
No power to green wire coming out of relay when horn button is pushed so that's why horn isn't honking, so i am thinking it's the relay. Am I missing something here or do I just need to order a relay?
No power to green wire coming out of relay when horn button is pushed so that's why horn isn't honking, so i am thinking it's the relay. Am I missing something here or do I just need to order a relay?
02-01-2017, 05:54 PM
#2
Pro
Member Since: Jul 2014
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2018 C3 of Year Finalist
Short story. Horn stopped working on my 72. Can hear relay click when horn button is pushed, but no noise from horn. Ran a wire direct from a 12v source to horn and it honked so it's not a bad horn assembly.
No power to green wire coming out of relay when horn button is pushed so that's why horn isn't honking, so i am thinking it's the relay. Am I missing something here or do I just need to order a relay?
No power to green wire coming out of relay when horn button is pushed so that's why horn isn't honking, so i am thinking it's the relay. Am I missing something here or do I just need to order a relay?
Last edited by Tom69; 02-01-2017 at 06:36 PM.
02-01-2017, 07:38 PM
#3
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Thread Starter
02-01-2017, 09:28 PM
#4
Burning Brakes
Member Since: Jan 2006
Location: Clear Lake Shores Texas
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2016 C3 of Year Finalist
I had the same problem a few years ago with my 72. If I remember correctly I took the cover off of the relay, cleaned the contacts, and it started working again. I also remember that the relay is attached to the fenderwell through two rubber grommets that are easy to lose and hard to replace.
Last edited by dan1495; 02-01-2017 at 09:57 PM.
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