Install Woes on 1991 M5, Help?
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=38110
Printed Date: July 15, 2025 at 7:53 AM
Topic: Install Woes on 1991 M5, Help?
Posted By: rpatten
Subject: Install Woes on 1991 M5, Help?
Date Posted: August 26, 2004 at 12:54 AM
Ok Guys, working on a '91 M5 at the shop today, Customer complained of Viper 300ESP alarm being intermittent, and wanted a new alarm installed, we couldn't duplicate the problem, but went ahead with the install of a python 1600. Install complete, no problems, 2 hours later, customer picked it up and complained that there was the same problem, sure enough, I tested it for about 20 minutes. And this is what I find, I arm the system, everything works fine, I disarm, workds fine, Arm again, works fine EXCEPT that the locks 1 second after locking, pop back up. Now this seems like a interface problem, but the REALLY weird thing is that it does it EXACTELY every other time, so it works for one arm/disarm cycle, then doesn't the next, no matter how much time is between cycles, I mean it is dead on, every other time.
Any thoughts or ideas would be Very much appreciated.
Rob,
Replies:
Posted By: kgerry
Date Posted: August 30, 2004 at 1:36 PM
is it possible the ign has to be cycled or something between arm and disarms cycles?
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Kevin Gerry
Certified Electronics Technician
MECP First Class Installer
Owner/Installer
Classic Car Audio
since 1979
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