add rear defogger to suburban alarm
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=86473
Printed Date: April 27, 2024 at 3:41 PM
Topic: add rear defogger to suburban alarm
Posted By: suburban boy
Subject: add rear defogger to suburban alarm
Date Posted: November 30, 2006 at 10:33 PM
Hey gues got another question, i finished the installation of my viper 791xv, i was wondering hwo i would connect that to my defroger and also is there a way i can make the car think that the door opend and closed so the radio will shut off after remote start or is there another way of doing this.
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Suburban boy
Replies:
Posted By: KarTuneMan
Date Posted: November 30, 2006 at 10:48 PM
what year...what year...what year......
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Posted By: suburban boy
Date Posted: December 02, 2006 at 4:39 AM
Hey bud sorry for the delayed reponse its a 2002 chevy suburban 4WD 1500LT...Thanks
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Suburban boy
Posted By: jasondavis05
Date Posted: December 02, 2006 at 11:53 AM
For the defogger I would go right to the factory relay, use the output of the 791 to a relay that trips the factory defogger relay. The defogger light in the cab won’t come on but the defogger will be working. As for the radio you could set-up another relay again off of a 791 output but this time cut the acc wire to the radio hook up one side to pin #30 and the other to 87a with nothing on 87, that way win the 791 is active the radio doesn’t have power.
Posted By: suburban boy
Date Posted: December 02, 2006 at 10:38 PM
thanks , but in that case if i come out of remote start and unlock and lock the radio will shut shut off i take it?
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Suburban boy
Posted By: jasondavis05
Date Posted: December 03, 2006 at 8:16 PM
Nope you will have power when the R/S is off but as it runs the relay will be open cutting the feed to the ACC wire of the radio.
Posted By: jasondavis05
Date Posted: December 03, 2006 at 8:18 PM
Also use the defogger lead from the 791 to trip the radio relay. You can split it to run the defogger and the radio relays.
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