Ignition system clean no start

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Mar 28, 2018 | 03:55 PM

mikesvette1

Thread Starter

Instructor

Joined: Apr 2011

Posts: 121

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From: rudy ar

Ignition system clean no start

I followed the instructions on cleaning the contacts on the ignition system, installed and accessories lite up and then turned key to start, nothing checked codes and i Had B2327, so i went and got the TDR and replaced it. still doing the same all systems come on but no start. what am i missing. Its gotta be something simple, going to order new cylinder tommorrow but i would like to know what i'm missing.

Mar 29, 2018 | 11:20 AM

twokbolt

Racer

Joined: Feb 2012

Posts: 382

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STOP! Replacing parts. Pull the codes again. I could not find B2327. When you say it doesn't start does the engine not even turn over? What is the security light doing while you are trying to start?

Mar 29, 2018 | 12:15 PM

mikesvette1

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From: rudy ar

Thanks for responding, I'm getting b2723 code and accessories works and then on works but then nothing at start. I have reset the codes and B2723 comes back as fast as I reset it and the surity light stays on solid from the time I turn the key on.

Last edited by mikesvette1; Mar 29, 2018 at 12:17 PM.

Mar 29, 2018 | 03:04 PM

mikesvette1

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Joined: Apr 2011

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From: rudy ar

Thanks, by bypassing are you talking about cutting the two white wires and connecting them together to make a circuit. I really do appreciate your time and help.

Mar 29, 2018 | 03:21 PM

v6turbo87

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Joined: Jan 2016

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From: Sandown NH

Quote:

Originally Posted by mikesvette1

Thanks, by bypassing are you talking about cutting the two white wires and connecting them together to make a circuit. I really do appreciate your time and help.

You can't just cut the wires and splice them. You need to measure the resistor pellet on you key and put a resistor of the same value between the wires. This will bypass the contacts but still send the correct resistance value to the BCM so the VATS system will be satisfied.
Do a search for VATS bypass on YouTube and you will find videos on how to do it.

Last edited by v6turbo87; Mar 29, 2018 at 03:21 PM.