engine cranks for .5 sec no start
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=47229
Printed Date: August 27, 2025 at 2:18 PM
Topic: engine cranks for .5 sec no start
Posted By: bjrose
Subject: engine cranks for .5 sec no start
Date Posted: January 08, 2005 at 7:09 PM
2004 sierra cs423 & Ipp03. I think im almost there with this install. Programmed remote, programed tach, it lights flash like it took OK. Problem is when i try R/S the engine cranks for half second tries to start then the R/S stops goes into 2nd and third try with same results then shuts down. Any help is much Appreciated.
Replies:
Posted By: mobile1
Date Posted: January 08, 2005 at 7:37 PM
sounds like a passlock issue. double check the wiring
Posted By: italnpimp59
Date Posted: January 08, 2005 at 7:58 PM
how did you handle the passlock wiring? sounds like thats the problem, i agree with mobile1
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Posted By: bjrose
Date Posted: January 08, 2005 at 9:02 PM
I tied into light green wire for key sense. At first this was the wrong light green wire as it would only attempt to start when key was in. Then I found the right light green wire and now it attempts to start without the key. The data line i tied to purple in the service plug. The tach is tied to the white wire in instrument cluster. These are all the main issues I can find on this site. Was woundering if the ground of the bypass has to be connected to the ground wires in the ignition wires of passlock.
Posted By: bjrose
Date Posted: January 08, 2005 at 9:21 PM
OK I found a thread where you test if its a passlock issue or a tach issue. I started truck, pushed the start button on R/S and removed the key. The truck kept on running like its supposed to. Thread confirmed its a passlock issue.
But what I haven't figured yet.
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