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simple relay starter kill


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hornnumb2 
Member - Posts: 14
Member spacespace
Joined: March 12, 2009
Location: Texas, United States
Posted: July 23, 2014 at 3:42 PM / IP Logged  
I am officially pulling my hair out trying to hook up a simple kill switch on my 2011 GMC Sierra. I have checked and cut every pink wire under the column with no results. I have check the diagram back at the bcm to the ign wire on the green plug #14 pink wire cut it still cranks. I see on the bcm plug it shows ign 1 and ign 2 so if I cut one is the other lead feeding it still? I guess I have got to old for this, not like it was in the nineties. Cut big yellow or purple and you were done. Somebody help this middle aged guy have some hair left. Thanks Michael
howie ll 
Pot Metal - Posts: 16,466
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Joined: January 09, 2007
Location: United Kingdom
Posted: July 23, 2014 at 5:17 PM / IP Logged  
Top of my head I'd guess your looking for an output from a control unit going to either a starter relay or direct to the solenoid, under the hood (fuse or relay box?) would be my best bet.
howie ll 
Pot Metal - Posts: 16,466
Pot Metal spacespace
Joined: January 09, 2007
Location: United Kingdom
Posted: July 23, 2014 at 5:19 PM / IP Logged  
Guess what. I just checked with Directechs and I was right.
Purple, starter or underhood fuse box, black 50 pin plug, pin F1
hornnumb2 
Member - Posts: 14
Member spacespace
Joined: March 12, 2009
Location: Texas, United States
Posted: July 23, 2014 at 5:43 PM / IP Logged  
I was hoping to find a wire that was in the cab but if I need to go through the firewall I can. Thanks
howie ll 
Pot Metal - Posts: 16,466
Pot Metal spacespace
Joined: January 09, 2007
Location: United Kingdom
Posted: July 23, 2014 at 5:48 PM / IP Logged  
Many modern vehicles use data in the cab, don't touch!
i am an idiot 
Platinum - Posts: 13,666
Platinum spaceThis member consistently provides reliable informationspace
Joined: September 21, 2006
Location: Louisiana, United States
Posted: July 23, 2014 at 9:27 PM / IP Logged  
For liability reasons, you never want to interrupt an Ignition wire.   Starter wire is the only safe way to disable a vehicle.
Make sure you make a very good connection on the pink wires you cut.
howie ll 
Pot Metal - Posts: 16,466
Pot Metal spacespace
Joined: January 09, 2007
Location: United Kingdom
Posted: July 24, 2014 at 12:13 AM / IP Logged  
X 2 with Mr. I.
catback 
Silver - Posts: 703
Silver spacespace
Joined: August 13, 2002
Location: Canada
Posted: July 24, 2014 at 1:55 AM / IP Logged  
I guess you don't trust the factory immobilizer.
hornnumb2 
Member - Posts: 14
Member spacespace
Joined: March 12, 2009
Location: Texas, United States
Posted: July 24, 2014 at 8:55 AM / IP Logged  
catback wrote:
I guess you don't trust the factory immobilizer.
Thats why there stolen everyday right?
howie ll 
Pot Metal - Posts: 16,466
Pot Metal spacespace
Joined: January 09, 2007
Location: United Kingdom
Posted: July 24, 2014 at 9:29 AM / IP Logged  
Catback, that's why our biggest amount of installs are BMW, Audi Focus RS and RangeRover.
All with factory alarm. Skeleton key, OBD reader with immobiliser by-pass software.
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