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add rear defogger to suburban alarm


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suburban boy 
Copper - Posts: 54
Copper spacespace
Joined: November 14, 2006
Posted: November 30, 2006 at 10:33 PM / IP Logged  
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.
Suburban boy
KarTuneMan 
Platinum - Posts: 7,056
Platinum spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member consistently provides reliable informationspace
Joined: December 14, 2004
Location: Isle Of Man
Posted: November 30, 2006 at 10:48 PM / IP Logged  
what year...what year...what year......
suburban boy 
Copper - Posts: 54
Copper spacespace
Joined: November 14, 2006
Posted: December 02, 2006 at 4:39 AM / IP Logged  
Hey bud sorry for the delayed reponse its a 2002 chevy suburban 4WD 1500LT...Thanks
Suburban boy
jasondavis05 
Copper - Posts: 55
Copper spacespace
Joined: November 14, 2006
Location: United States
Posted: December 02, 2006 at 11:53 AM / IP Logged  
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.
suburban boy 
Copper - Posts: 54
Copper spacespace
Joined: November 14, 2006
Posted: December 02, 2006 at 10:38 PM / IP Logged  
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?
Suburban boy
jasondavis05 
Copper - Posts: 55
Copper spacespace
Joined: November 14, 2006
Location: United States
Posted: December 03, 2006 at 8:16 PM / IP Logged  

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.

jasondavis05 
Copper - Posts: 55
Copper spacespace
Joined: November 14, 2006
Location: United States
Posted: December 03, 2006 at 8:18 PM / IP Logged  
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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