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Alarm Install Problems in and 05 F150.

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=52878
Printed Date: May 06, 2024 at 6:00 PM


Topic: Alarm Install Problems in and 05 F150.

Posted By: Drtechnical
Subject: Alarm Install Problems in and 05 F150.
Date Posted: March 30, 2005 at 7:49 PM

Anyone experience any problems installing and aftermarket alarm on an 05 F-150?  Things not working as they should, having to troubleshoot, etc.  I'm having some probs with my install just curious if anyone else has....



Replies:

Posted By: NowYaKnow
Date Posted: March 30, 2005 at 7:56 PM
No problems here, maybe we could offer some assistance if you explained your problems a bit more.

Mike




Posted By: Drtechnical
Date Posted: March 30, 2005 at 9:07 PM

Alright here goes.  I had my Clifford AG5 installed recently.  When the install was complete we realized whenever we try to arm the alarm from the remote...we would get the two chirps and the alarm would immediately fire.  We initially thought that it was related to the remarkably long dome light. So we used Cliffnet to enable the dome light delay.  Same problem.  My installer mentioned the brain may be getting a "pulse" from the door locks/dome.  so he installed a relay that solved the problem. My problem is the relay is loud as hell.  Anywhere I place it I can hear it.  So I posted on here and someone suggested I use the last 2 numbers on the keypad, diode isolated to lock the doors overcome the dome problem.  We did this and removed the relay.  Once we armed the alarm the dome light shut off and the doors locked but then the alarm immediately activated. 

I had to leave so we put the relay back in, closed the truck back up and we'll try to get rid of the relay another day.....Otherwise the alarm works wonderfully....  The only problems are that the relay is very audible and that since the relay was put in ...if you arm the alarm with a door open, it doesn't give you the 4 warning chirps to tell you a door is open....it just arms.

Any and all help would be greatly appreciated.





Posted By: Drtechnical
Date Posted: March 31, 2005 at 7:47 AM
anyone?




Posted By: Drtechnical
Date Posted: April 01, 2005 at 8:04 PM

Bueller?





Posted By: Drtechnical
Date Posted: April 02, 2005 at 8:24 PM
Help? Anyone?




Posted By: KarTuneMan
Date Posted: April 02, 2005 at 11:00 PM

Hey Doc....did you isolate the door pins AND the bcm from the door trigger wire?



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Posted By: Drtechnical
Date Posted: April 03, 2005 at 7:57 AM

I don't think so.....could you elaborate?   You might have it.





Posted By: Drtechnical
Date Posted: April 03, 2005 at 8:00 AM

So far all I know that we've diode islotated were the 7/8, 9/0 wires to lock the doors and shut the dome.   I don't know or think that anything else has been isolated....hence, the relay.  You mentioned isolating the door pins and the bcm from the door trigger....please explain how and why?   You guys have been coming through so far...KarTune specifically.  Thanks in advance.





Posted By: Velocity Motors
Date Posted: April 03, 2005 at 11:34 AM
Use diagram B: 

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




Posted By: nava94
Date Posted: April 03, 2005 at 12:55 PM
Velocity motors has your solution the body control module on the car sends a pulse to check the door pin status thus falsing your aftk. alarm. The doides are to seperate the cars door pins from one another and the relay to receive the voltage change when the bcm is about to shut down thus not falsing your aftk. alarm.




Posted By: Drtechnical
Date Posted: April 03, 2005 at 2:48 PM
Thanks Jeff, KarTune, and Nava....if I'm reading this right if I diode isolate the wires from the bcm and the triggers to the alarm, my alarm will stop falsing and I can get rid of the noisy relay?  




Posted By: Velocity Motors
Date Posted: April 03, 2005 at 11:06 PM
yup, that is correct.

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




Posted By: tcr03
Date Posted: April 03, 2005 at 11:15 PM
yeh i had the same problem last week on an 04 f150. we did diagram B. it solved the problem.




Posted By: audifive
Date Posted: April 03, 2005 at 11:30 PM
its really easy to find the wires under the driver side rear sill panel instead of going to the bcm in the back behind the seat.  all 4 are there and there is only about 15-20 wires to sort through.




Posted By: KarTuneMan
Date Posted: April 04, 2005 at 2:19 PM
Keep us posted Doc.

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