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Installing GM 3300 Factory Alarm

firecadet613

By firecadet613
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firecadet613 Enthusiast

firecadet613

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Hey UPS is bringing me my new GM 3300 alarm, comparable to the 3400 some members have used here but this one will work on my Blazer. Any tips or tricks or advice for the install, I'll be doing it myself and want it to go as smoothly as possible.

 

Joe

woyster_00z71 Enthusiast

woyster_00z71

Posted
Posted

I installed a GM-3400 alarm on my Tahoe. Really, if you have any kind of experience with working on your vehicle, you shouldn't have any problems at all. Just find somewhere under the hood to mount the siren, locate a place for the toggle switch and then mount the alarm module and shock sensor somewhere under the dash. My only recommendation would be to mount the shock sensor on some large wiring bundle instead of on a rigid support bracket. I mounted mine on a support bracket at first and the alarm would go off with every loud exhausted car and with every thunderclap. I moved it and secured it to a bundle of wires and haven't had that problem since but just bumping the car will make the warning chirps.

 

Again, it is a very straightforward install and you shouldn't have any problems.

 

B.J.

firecadet613 Enthusiast

firecadet613

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Hey thanks BJ, whats the toggle switch for? Where did you mount the siren under the hood and do I just pick a wiring harness/bundle under my dash to mount the shock sensor on?

 

Joe

woyster_00z71 Enthusiast

woyster_00z71

Posted
Posted

I guess it isn't really a toggle switch but a push button type thing to put the alarm in "valet" mode. Yes, I just chose a large bundle of wires to mount the shock sensor to. And for the siren, I have a Tahoe, but on the passenger side under the hood spring there is a large opening. I mounted the siren over there against the firewall.

 

Good luck,

B.J.

firecadet613 Enthusiast

firecadet613

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Got it all hooked up and it doesn't work. Had my brother who's an electrical engineer help with the install, says the control modual must be dead. He's sending me another to try it out, keeping my fingers crossed.

 

Joe

k1500chevy97 Senior Enthusiast

k1500chevy97

Posted
Posted
Got it all hooked up and it doesn't work. Had my brother who's an electrical engineer help with the install, says the control modual must be dead. He's sending me another to try it out, keeping my fingers crossed.

 

Joe

Lets hope it works ok when that new part comes in :rolleyes:

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