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Alarm will not turn on for at least 5 minutes

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=4343
Printed Date: July 22, 2025 at 6:00 PM


Topic: Alarm will not turn on for at least 5 minutes

Posted By: everforward
Subject: Alarm will not turn on for at least 5 minutes
Date Posted: October 10, 2002 at 4:39 PM

To whom it may concern:  I have a Crimestopper  CS-9900 alarm system.   everything was working fine until I installed a new stereo and amp in my vehicle.  Now after I shut off my car, the alarm will not engage for at least 5 minutes when I press the remote's button, this did not happen before.    I have researched a lot of posts and the only thing I can conclude is that I probably need a relay of some type.     I am a little naive on the electronics side.    What exactly would I need?    A BOSCH 30 amp relay?      If I need a relay, how would I connect it to my alarm.   If you could provide the actual pin outs that would be ideal.   Would I also need to install a diode?  If so, do you have any recommedations and/or any installation tips.     Help........

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everforward, backwards never



Replies:

Posted By: Ohmz
Date Posted: October 11, 2002 at 10:14 AM

What kind of vehicle do you have... Could be a wrong ignition wire for your radio. Does the alarm work fine... like the lights, valet switch  etc.. Is that the only problem with the alarm?



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My Personal Installer Note: Connectors are easy, neat, and professional. But do you know how to crimp properly?




Posted By: kickyride
Date Posted: October 11, 2002 at 10:37 AM

Do any other devices in the car stay on after you turn the key off? I think that Ohmz is on the right track. Their might be some voltage bleed off to the ignition/accessory input of your alarm. Test this input after turning your key off. If it is showing voltage, that'll prevent your alarm from arming. Is your alarm's ignition wire connected at the ignition switch harness. If not, you may consider moving it there. If everything else works fine, this should clear the problem up. I hope this gets you in the right direction.



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Mike
Sales/Tech Support - KICKYRIDEoCOM mobile electronics
MECP 1st class-Security Specialist




Posted By: everforward
Date Posted: October 14, 2002 at 12:00 PM

Thank you both (OHMZ and Kickyride),

You were both on the right track and have helped me to solve the mystery. Whoever originally wired up my old stereo before I replaced it, apparently used the wrong switched ignition source. I just followed the old wiring setup and thought it would be fine. However, for some reason the switched ignition source had a slow residual bleed off of voltage which tricked my alarm into thinking that the ignition was still on, (as both of you had mentioned). After about 5 minutes the residual voltage would bleed off enough so that the ignition input of the alarm no longer recognized the voltage input. I disconnected the incorrect switched ignition source and I wired directly to a known switched source in my fuse box and now things are working fine.

What a relief!!!    This is the best web site...........



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everforward, backwards never





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