Disarm Alarm for BOA Remote Start
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=45931
Printed Date: July 19, 2025 at 2:22 PM
Topic: Disarm Alarm for BOA Remote Start
Posted By: Rudy123
Subject: Disarm Alarm for BOA Remote Start
Date Posted: December 24, 2004 at 2:09 PM
I am installing a BOA Remote Start on a 2000 300M and I need to disarm the alarm using a relay and 680ohm resistor. My first problem is that I don't know what kind of relay I need. The next is I don't understand how the relay and resistor get hitched up. The wire that is supposed to disarm the alarm is (lt. GREEN/ orange). The wire on the RS harness is (lt. GREEN/ black) and the 12volt constant is (pink/black or red). I know to disarm the alarm it needs a positive pulse through the resistor but what wires go to what? This is a X-mas present for mom and everything has been a breeze up until now, so any help is greatly appreciated. Rob Gray
Replies:
Posted By: mo12v
Date Posted: December 24, 2004 at 3:31 PM
SPDT Relay
Pin 87 = 680 or 900 Ohm Resistor to cars Lt.GREEN / Orange
Pin 87a= Not Used
Pin 30 = 12 Volts + (positive)
Pin 86 = 12 Volts + (positive)
Pin 85 = Lt. GREEN / Black from your RS
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MO
Don't Learn from Others Mistakes
You Might Be the One That Knows.
Posted By: Rudy123
Date Posted: December 24, 2004 at 6:27 PM
Thanks a lot. Happy holidays, Rob Gray
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