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99-up Grand Am Won’t start when cold

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=68642
Printed Date: May 15, 2025 at 2:54 AM


Topic: 99-up Grand Am Won’t start when cold

Posted By: deviousjoker
Subject: 99-up Grand Am Won’t start when cold
Date Posted: December 18, 2005 at 11:11 AM

I've put remote starts in these vehicle and for some odd reason it won't start when it's real cold.  The engine cranks, but does not turn over.  The security light does not flash.  If the motor is warm it starts right up.  It's set on voltage sensing, and not tach.  Maybe the cells in the battery freeze and the remote start doesn't see an increased voltage?

any suggestions



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First Class MECP Installer



Replies:

Posted By: Ravendarat
Date Posted: December 18, 2005 at 11:42 AM
Use tach sensing and use the tach wire at the BCM under the dash on the drivers side

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double-secret reverse-osmosis speaker-cone-induced high-level interference distortion, Its a killer


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