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Discussion Starter #1
I'm driving an 88 cressida, which i believe has the same factory alarm system as the MKII supras (lights flash, starter cut, a seperate horn honks). I'm installing an aftermarket alarm and i need to know how to disable this alarm.

Pulling the box out kills the starter until you put the box back in. Is there a pin in can close off/ground out on the alarm to disable this system?

I've looked through every alarm post on here and every one mentions that there is a way to disable the factory alarm, but none of them actually say what this method is.

Does anyone know?
 

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Just my 2 cents but I'm thrilles and amazed my factory alarm still works. I'd never disable it for some aftermarket crap. I'd get that satellite Lo-jack system if anything. Keep the book! chances are once the aftermarket one fucks up no one will know how to fix it. Unless you get a clifford or something.Good luck.



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I actually have a Viper alarm on the Supra and I have always used it with the factory alarm. Doesn't stop the Viper from working and you have two alarms.
 

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How do you like your Viper? I have one on my truck and love it, did you do the install yourself on the supra?
 
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