05 PT Cruiser keyless entry upgrade probs
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=68054
Printed Date: July 12, 2025 at 10:27 AM
Topic: 05 PT Cruiser keyless entry upgrade probs
Posted By: techfiftyfive
Subject: 05 PT Cruiser keyless entry upgrade probs
Date Posted: December 09, 2005 at 8:41 PM
For some reason, after a few minutes of being idle the alarm doesnt work anymore. The cruiser has a factory keyless entry system, but no factory alarm. I got the lock switch wire in the drivers kick, and the lock/unlock motor wires somewhat underneath the driver seat. If I start the car and then plug in the main harness for the alarm, then turn the vehicle off, use the factory remote to arm the alarm, it works fine. But when I wait a couple minutes or so to shut the alarm off, and then try to arm it again, it stops working. Seems like there's a voltage drop after a certain amount of time. Can anyone confirm this?! Any help would be greatly appreciated. Thanks
Replies:
Posted By: Mike M2
Date Posted: December 09, 2005 at 8:57 PM
How did you use a switch wire on a resisted value lock wire? The disarm defeat wire should be pink/black, drivers side next to the seat. It's the unlock motor leg for the rear door. The arm and disarm wires should be from the drivers door harness.
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Mike M2
Tech Manager
CS Dealer Services
Posted By: techfiftyfive
Date Posted: December 10, 2005 at 6:09 PM
Well... Let me try to explain it again. I must've typed something wrong... The car doesnt have factory security, and what I meant when I said "used the factory remote to arm the alarm" the alarm meaning the keyless entry upgrade system I was installing. It seems there's like a voltage drop of some sort with this car. It'll work fine the first couple minutes of plugging the main harness in, but after a couple minutes, or if you drive the vehicle down the street, it'll stop working.
Posted By: OhioMike1101
Date Posted: December 10, 2005 at 6:59 PM
where did u grab power and ground for the KE unit?
Posted By: techfiftyfive
Date Posted: December 10, 2005 at 7:56 PM
Constant 12v at the ignition harness (Just flap down the front lower dash panel, I think it was Pink/Black) and for ground I tapped into the chassi's. A co-worker also asked me about this, and he said I should try grabbing 12v at the battery itself, but it got too dark to do anything.
Posted By: mo12v
Date Posted: December 10, 2005 at 8:23 PM
techfiftyfive wrote:
For some reason, after a few minutes of being idle the alarm doesnt work anymore. The cruiser has a factory keyless entry system, but no factory alarm. I got the lock switch wire in the drivers kick, and the lock/unlock motor wires somewhat underneath the driver seat. If I start the car and then plug in the main harness for the alarm, then turn the vehicle off, use the factory remote to arm the alarm, it works fine. But when I wait a couple minutes or so to shut the alarm off, and then try to arm it again, it stops working. Seems like there's a voltage drop after a certain amount of time. Can anyone confirm this?! Any help would be greatly appreciated. Thanks
What is the Alarm you installed?
Is the Alarm you installed actually loosing Power? Or are you assuming this, because the Doors do NOT Lock / Unlock? Is there a Satus LED? Is there a Siren or Chirps ------------- MO
Don't Learn from Others Mistakes
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