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Old Jul 7, 2013 | 01:18 PM
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I am afraid to try my car alarm. What if it won't shutoff? '75 vert. What will actually trigger the alarm?
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Old Jul 7, 2013 | 01:45 PM
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Opening the hood or either door should set it off. Turning it off at the fender key switch will disable it or just unhook the battery to silence it till you figure what's wrong.
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Old Jul 7, 2013 | 01:59 PM
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Can you unplug it at the trumpet and hook up a meter to the wires? When you trigger it, if it blinks 12 volts you know its working. If not go from there. At least it would be quiet.
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Old Jul 7, 2013 | 05:24 PM
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Originally Posted by The Punisher
I am afraid to try my car alarm. What if it won't shutoff? '75 vert. What will actually trigger the alarm?
I had to laugh out loud at this statement since this is the exact reason why I haven't tried mine out yet. I do like the "disconnecting the trumpet" idea.
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Old Jul 7, 2013 | 05:38 PM
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Maybe stick a rag in the horn so it's not so loud.
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Old Jul 8, 2013 | 01:52 AM
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Originally Posted by C6DuffMan
Maybe stick a rag in the horn so it's not so loud.
Just make sure you get the right "horn". It's not the one (or dual horns) behind the front grill. It's located under the car below the rear storage compartments.
My '75 still works great.

And does anybody know if lifting the car, as in towing it away will set off the alarm too?
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Old Jul 8, 2013 | 10:18 AM
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Is it the door key that activates it ?
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Old Jul 8, 2013 | 11:28 AM
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Originally Posted by HawkIVette
Just make sure you get the right "horn". It's not the one (or dual horns) behind the front grill. It's located under the car below the rear storage compartments.
My '75 still works great.

And does anybody know if lifting the car, as in towing it away will set off the alarm too?
No, it does not have a motion sensor.
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Old Jul 8, 2013 | 11:30 AM
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Originally Posted by The Punisher
Is it the door key that activates it ?
No. Separate key for alarm and lockable rear storage compartment.
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Old Jul 8, 2013 | 01:19 PM
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Originally Posted by paul 74
No. Separate key for alarm and lockable rear storage compartment.
oh ok I will have to see if I have that key on another ring.
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Old Jul 8, 2013 | 07:45 PM
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Not sure about the '75, but my '76 uses the door key for the fender key hole. I tried it last fall and heard a faint sound and smelled smoke, looked at the trumpet horn and it was smoking! I unhooked the horn and removed it - it was full of rust and is useless. I'm looking for another horn and will probably pick one up at Carlisle next month.

I was thinking I could use a regular horn like the ones behind the grille, but figured the sound wouldn't be the same as it should.
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Old Jul 8, 2013 | 09:06 PM
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So then which key unlocks the spare tire?
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Old Jul 8, 2013 | 11:21 PM
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Reminds me of when I first got my car. 11 pm driving in a residential area ... toot toot toot toot toot toott.... so I stopped and reset the alarm. 2 minutes later - toot toot toot toot toot .... I stopped and reset the alarm and disconnected it when I got home. I don't trust it anymore.
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Old Jul 8, 2013 | 11:24 PM
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Originally Posted by The Punisher
So then which key unlocks the spare tire?
That's a separate key all together - not the ignition or door key.
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Old Jul 8, 2013 | 11:43 PM
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I don't mean to hijack your thread Punisher, for fear of punishment, but I bought a 75 parts car (body actually) and the door locks used a key I found in amongst the mess. The same key works the alarm barrel that came with it. It's a genuine GM key, and it's the roundish one. Sound right?
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