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Hi to all. Tonight I got my 72 alarm system to work! Since I have the spring out, either to re-arch or replace, I decided to troubleshoot the alarm. I took the spare and cover out and proceeded to pull the parts off. First I tested the horn, off the car, using a 12V battery charger. It worked. Then I cleaned the contacts at the switch, the two relays in the back bin, and re-installed everything. IT WORKS!!!!!!!!!!!!!!!!!!!!!!! It was probably dirty contacts since all I did was clean them, wire wheel them and re-install. In addition, I sprayed a liberal amount of WD-40 into the rear lock cylinder to clean out anything there. I guess the moral of the story is to start with the simple stuff before you go crazy with the big (expensive) stuff. Gary 21316
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Re: Got the alarm to work!
Gary,
Did you do anything to the horn after you removed it? I cleaned my relay and flasher, bench tested them, installed a new Biggs and Straton switch (there was no key for non-original switch on the car) and I can hear the relay activate but no horn sound. I haven't removed the horn yet, but I'm hoping is just a connection inside the horn since the horn looks like a pretty simple device.
Don -
Re: Got the alarm to work!
Because this car is so original and everything works (even the clock - well, most of the time) I suspected that the horn would work. I removed it, cleaned the positive and negative contacts and then, using a 12V battery charger as a power source, got it to sound. So, I now knew that the horn worked. After that I pulled the keyed switch out and inadvertantly touched the orange and pink wires together after I removed them from the switch. I could hear the relays click. Now I knew the horn, the relays, and the wiring to the system worked. So where was the problem. Next, I took the keyed switch and cleaned the contacts and sprayed the WD40 in there. It then worked. I don't know, or really care, if it was the contacts being cleaned with steel wool or the WD40 that did the trick.Comment
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