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1999 Nissan Skyline GTR R34, Installing Viper with Door Lock Problem

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Member - Posts: 48
Member spacespace
Joined: April†12, 2004
Location: Hong Kong
Posted: July†10, 2019 at 3:01 AM / IP Logged Link to Post Post Reply Quote etang789
Iím working on a 1999 Nissan Skyline GTR R34 , trying to install Viper 5706v but cannot figure out the door lock problem!
There have been a few different alarm by other installers before. I have removed all the old alarms scattered around different parts of the car.
Now this new Viper 5706v Door Lock Output wires are tapped / solder onto the Nissan OEM keyless module circuit board. Directly solder the output wire seems quite common solution for other Skylines as well, I checked the schematic seems alright.
The Viper would unlock the door for a few times then it would stop working. I have tried to swap different alarm brain same thing happens. Iím guessing thereís a short somewhere and the OEM keyless relay gets stuck and fried the alarm brain?
My last resort is to install the actuators in the driver side door and I donít really want that...any pointers?
Silver - Posts: 1,016
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Joined: December†08, 2002
Location: Maine, United States
Posted: July†11, 2019 at 9:49 PM / IP Logged Link to Post Post Reply Quote iskidoo
Iíve never seen one of those vehicles but I think it may work just like my 2000 Elantra which is a ďslave system.Ē The drivers door has no actuator. Itís a mechanical locking mechanism. Attached to that is an electronic switch that operates the other doors which ďdoĒ have an actuator built in. So the Viper should be wired to a pair of relays or a 451m unit and then to an aftermarket actuator that interfaces with the drivers side mechanical locking mechanism. I tried doing what you are attempting also on my car originally, until I learned of the limitation of the drivers door not having an actuator built in. I could be wrong but I think adding the actuator is your only option.
Here is a video showing how some guy on YouTube mounted his which looks like a good mounting position for reliability.
Steve G
Member - Posts: 48
Member spacespace
Joined: April†12, 2004
Location: Hong Kong
Posted: July†15, 2019 at 10:01 AM / IP Logged Link to Post Post Reply Quote etang789
But the OEM has a keyless module that works on both doors thatís why itís so strange.
I understand what you mean
Subaru GC8 have this ďslave systemĒ

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