factory alarm

Printed From: the12volt.com
Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=3035
Printed Date: July 16, 2025 at 8:45 AM

Topic: factory alarm

Posted By: seadrift
Subject: factory alarm
Date Posted: August 24, 2002 at 4:54 PM

how do i bypass the factory alarm in a 97 grand caravan

Replies:

Posted By: Velocity Motors
Date Posted: August 25, 2002 at 12:39 AM

Use relays and set up for negative trigger. Place a 4020 ohm resistor inline on the lock output, and a 665 ohm resistor inline on the unlock output. If you don't have a factory security system use a 1500 ohm for lock and a 250 ohm for unlock. Arms with lock & disarms with unlock .

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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA

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