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2002 ford explorer gem module


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Msp541 
Copper - Posts: 52
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Joined: December 17, 2003
Location: Massachusetts, United States
Posted: March 20, 2008 at 4:51 PM / IP Logged  

Hi All;

I am installing a alarm/remote start combo. on my 2002 Ford Explorer 4-door and i don't know how to bypass the factory GEM module wake-up module so the alarm doesn't go off after the doors unlock after about 30 minutes, does unlocking the doors wake up the GEM module or is there something special i have to do for it not to interfere with the factory alarm?  I would appreciate any help as soon as possible i have the truck apart and that is my last thing to do to it.  Thanks to all!

2002 ford explorer gem module -- posted image.

mikvot 
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Joined: December 19, 2006
Location: Missouri, United States
Posted: March 20, 2008 at 5:04 PM / IP Logged  
02_explorer.pdf  This will only stop the aftermarket alarm from falsing. If your vehicle does have a factory alarm, you will need to hook your aftermarket alarm to the factory disarm wire which is
 FACTORY DISARM GREEN/ violet In driver's kickpanel   - 
KarTuneMan 
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Joined: December 14, 2004
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Posted: March 20, 2008 at 8:41 PM / IP Logged  

You need to wake up the BCM so you CAN unlock the doors. When it's a sleep, the locks will not work with an aftermarket transmitter.

You can wake it up as stated above, or you can also send a negative pulse to ANY button on the pad on the door. Look inside the door.

Msp541 
Copper - Posts: 52
Copper spacespace
Joined: December 17, 2003
Location: Massachusetts, United States
Posted: March 20, 2008 at 9:22 PM / IP Logged  

KarTuneMan;

You said you can also send a - pulse to any button on the keypad on the door? If i use the relay option that is stated above from MIKVOT will that work better than me looking for wires in the door? I want the easiest option there is so i can get my truck back running.... thanks!  :)

mikvot 
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Posted: March 20, 2008 at 9:40 PM / IP Logged  
The relay diagram I gave is just to prevent falsing of your aftermarket alarm......there are multiple issues with the vehicle, and i wasn't sure exactly which problem you were having. Just to make sure.....you are saying that the factory alarm is sounding when you unlock your vehicle after thirty minutes? Or, the doorlocks don't work after 30 minutes? If it's either of these, than the disarm wire i listed above will correct it. Now, if the vehicle is sitting, and your aftermarket alarm goes off for no reason, then you need the relay diagram i posted.
Msp541 
Copper - Posts: 52
Copper spacespace
Joined: December 17, 2003
Location: Massachusetts, United States
Posted: March 20, 2008 at 9:57 PM / IP Logged  

Thanks Mikvot.... The doorlocks wont unlock after 30 minutes and i am new at this truck installing a remote starter and alarm, i have all hooked up but after 15-25 minutes no unlocking of doors so i say its the GEM? I read a few posts on here but i cant seem to get one exactly how to get the doorlocks to unlock without BS.

Any more help will be great so i can get the wife's explorer back to her.... LOL

mikvot 
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Posted: March 20, 2008 at 10:06 PM / IP Logged  

ford_wake_up.pdf There ya go.....this will absolutely work...no bs...lol

Make sure to set your alarm to double pulse.

Msp541 
Copper - Posts: 52
Copper spacespace
Joined: December 17, 2003
Location: Massachusetts, United States
Posted: March 20, 2008 at 10:19 PM / IP Logged  

Double pulse on the doorlocks correct from the alarm? thanks a million for the information you are a great help!

Happy Easter!

mikvot 
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Posted: March 20, 2008 at 10:21 PM / IP Logged  
Yep....double pulse doorlocks from the alarm.....and happy easter to you.
Msp541 
Copper - Posts: 52
Copper spacespace
Joined: December 17, 2003
Location: Massachusetts, United States
Posted: March 20, 2008 at 10:34 PM / IP Logged  

Mikvot---

Quick question..... u need to use a diode with that diagram? Any size diode? It doesnt say.....

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