wiring nightmare, 04 acura mdx
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=94700
Printed Date: May 15, 2024 at 12:44 PM
Topic: wiring nightmare, 04 acura mdx
Posted By: highmath
Subject: wiring nightmare, 04 acura mdx
Date Posted: June 11, 2007 at 7:46 PM
Ok I am trying to put in a new keyless entry in my 04 Acura MDX because I refused to pay $500 to replace my defective, out of warranty, OEM system. So far to have got the unlock to work but not the lock. They are neg. pulse locks. I upload a pic of the wire harness diagram. Can anyone make sense to it so I can finish. I stumped. Thanks 
Replies:
Posted By: flobee4
Date Posted: June 11, 2007 at 8:08 PM
Ok here you go, Orange and ORANGE / black - Don't use Yellow and yellow/black - Ground White - goes to car's unlock wire - blue/orange in passanger side fuse panel top green plug. WHITE/ black - goes to car's unlock wire - BLACK/ orange in the same plug as above. here is a web site that has your wireing guide with pictures. it also shows your disarm wire if your car has a factory alarm as well. If you need help with that let us know https://64.85.6.121/diagrams/diagram.asp?ModelID=19707&MakeID=6&link=BULLDOG Also, if you do need to run a disarm wire into the drivers door because your car has a factory alarm - read this how to: https://www.the12volt.com/installbay/forum_posts.asp~TID~78731~PN~1
Posted By: highmath
Date Posted: June 11, 2007 at 9:27 PM
Thanks a lot. I'll try this out and let you know of the outcome!
Posted By: highmath
Date Posted: June 13, 2007 at 9:25 PM
Well I got the system installed and it works great. Now for the factory alarm. Now I know the location of the factory alarm, arm and disarm wire, is in the door. Is it as simple to run a wire from the arm wire spliced into the lock wire from the system and visa versa for the disarm/unlock or is there more to it? Do I need to fuse the connections?
Posted By: imseth85
Date Posted: June 13, 2007 at 10:26 PM
first figure out if you even need to.....try locking the car with the remote and waiting about a minute. Leave the drivers window rolled down...now reach in and open the car. If the horn honks repeatedly it means it was successfully armed. Now lock the car again (with the remote), leave it for a minute, and then unlock it with the remote and open the door. If the horn does not sound you do not need to bother with those wires.
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Seth Alvo NY
Mobile Electronics Installer
Posted By: flobee4
Date Posted: June 13, 2007 at 11:00 PM
if you do have a factory alarm, you will need to run 2 wires into the door. 1 to arm and 1 to disarm. arm - blue/white, pin 6 - in drivers door(power window switch) disarm - BLACK/ red to blue, pin 16 - same location as above To test if you have a factory alarm on that car: 1) Open drivers side window 2) Close door and lock the doors using the key cylinder on the outside of the drivers door. 3) Wait about a minute 4) reach inside the car window and unlock the door from the inside and open the door 5) If an alarm goes off, you have an alarm. If not, you don't have to worry about the wires inside the door and you aregood to go.
Posted By: highmath
Date Posted: June 13, 2007 at 11:04 PM
I tried that. The security light at the door doesn't blink, nor when I lock the car with the system and open the door through the window, does the alarm sound.
Posted By: highmath
Date Posted: June 13, 2007 at 11:17 PM
flobee4 wrote:
if you do have a factory alarm, you will need to run 2 wires into the door. 1 to arm and 1 to disarm.
arm - blue/white, pin 6 - in drivers door(power window switch)
disarm - BLACK/ red to blue, pin 16 - same location as above
To test if you have a factory alarm on that car:
1) Open drivers side window
2) Close door and lock the doors using the key cylinder on the outside of the drivers door.
3) Wait about a minute
4) reach inside the car window and unlock the door from the inside and open the door
5) If an alarm goes off, you have an alarm. If not, you don't have to worry about the wires inside the door and you aregood to go.
...and I splice these wires into the respective lock/unlock wires of my system? Do I need to fuse them?
Posted By: highmath
Date Posted: June 13, 2007 at 11:20 PM
sorry, yes I know that I have a factory alarm.
Posted By: flobee4
Date Posted: June 14, 2007 at 12:22 AM
well, 2 things. 1st you do not need to fuse them. 2nd you can split up your door lock wires, but you will need to diode isolate each wire. this means 2 diodes for lock, 2 for unlock. the white bands on the diode need to face the keyless entry module for a 4 diodes.
Posted By: highmath
Date Posted: June 15, 2007 at 8:22 PM
Well I got it the whole keyless entry system wired into the factory alarm connected up and working. The connection work was easy, it was running the wire into the door that was the pain in the rear, but i got. Thanks a lot for the help! 
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