2008 hummer second ignition probelm
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=115048
Printed Date: May 14, 2025 at 6:02 PM
Topic: 2008 hummer second ignition probelm
Posted By: dvaldez0989
Subject: 2008 hummer second ignition probelm
Date Posted: July 13, 2009 at 1:11 PM
put in a viper 5900 about 6 months ago in a 2008 hummer h2. first time doing this vehicle took me a good while to figure it out. everything worked fine but now the customer wants the 5901 put it in and go to remote start it and it does turn over i disconnected the second ignition wire it cranked right over now i dont have a starter kill or all that good stuff can anybody point me in the right direction??
Replies:
Posted By: Thack79
Date Posted: July 13, 2009 at 3:45 PM
all you did was replace the brain?
Posted By: dvaldez0989
Date Posted: July 14, 2009 at 2:55 PM
also replaced the remote start harness
Posted By: jim hunter
Date Posted: July 14, 2009 at 9:15 PM
is your passlock bypass still wired in?
Posted By: Mike M2
Date Posted: July 15, 2009 at 6:38 AM
If it has new style truck wiring(which i am not sure of) there is no second ignition but 2 accessories(power must drop out during crank). Try programming the second ignition to accessory on the brain.
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Mike M2
Tech Manager
CS Dealer Services
Posted By: jim hunter
Date Posted: July 15, 2009 at 11:07 PM
it has the 0+ key?
like the new tahoe? simple, dont need the 2nd ignition, progran a blank key place it in a 556u or similar universal bypass, ignition1 to pink ignition, acc to brown avccessory, 12 volts to hot - pk lites, brake wire ground and done easy vehicle
Posted By: dvaldez0989
Date Posted: July 16, 2009 at 5:46 PM
what about the starter kill the second ignition provides power to the starter kill
Posted By: jim hunter
Date Posted: July 16, 2009 at 6:37 PM
the 2nd ignition isnt required, and to do a starter kill you have to run those 2 wires out under the hood( i personally never do a starter kill on these new gms with the intellistart, the keyis solid protection against theft, and ive heard of misc error codes when the under hood wires is cut, never proved it but why chance it) i just would hook up all security/remote start functions and explain to customer a starter kill is not recommended on this vehicle and explain the security of the key, but all the notes ive seen on the h2 for 08 was still showing old gm passlock 2 ignition,1 starter wires, what color are your wires in the ignition harness? pink,yellow,white,orange,brown,red?
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