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05 tahoe tach wire at injector


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docsautomotive 
Copper - Posts: 66
Copper spacespace
Joined: May 07, 2006
Location: Louisiana, United States
Posted: April 05, 2007 at 11:18 PM / IP Logged  

when you press  the r/s button how fast does the brain respond

never stop
copout221 
Copper - Posts: 69
Copper spacespace
Joined: November 23, 2003
Location: United States
Posted: April 06, 2007 at 1:26 AM / IP Logged  
docsautomotive wrote:

when you press  the r/s button how fast does the brain respond

Brain responds immediately. To solve this problem I was forced to program the wait to start to one second. After doing this it has not failed to start on the first attempt again. Basically, the GWS output was activating at the same time the ignition was being triggered. This was not always allowing the passlock to deactivate which caused the truck not to start on some first attempts. However, if the ignition is activated for at least one second before the starter is enabled the factory security has enough time to deactivate which allows the truck to start. I also found that even if the GWS wire is grounded BEFORE the ignition is activated the truck still did not start on the first attempt. All it took was to have the ignition activated a bit longer than the module did without the delay programmed. You need a bitwriter to do this on a DEI RS or the wait to start is factory set at 15 seconds.

Don't fool with it if you don't know what it is !!
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