1994 80 Series Landcruiser Keyless Wiring

hi guys well i went to install an aftermarket keyless entry and alarm system on my old truck i spent apmost 5 hours trying to figure out how to install it but i couldn't because the car has a negative door lock / unlock system and the kit i bought has a + and - wires to the lock unlock kit brain i tried to connect it to the armrest lock/unlock but it didn't work out any one done that before or any help how wire it thanks

Here is some info on the U.S. version Landcruiser of 1991 through 1997 from Bulldog Security : POWER LOCK      BLUE/BLACK (TYPE B)       IN DRIVERS DOOR HARNESS POWER UNLOCK    BLUE/YELLOW and BLUE/ORANGE (TYPE B)     IN DRIVERS DOOR HARNESS Don't have any info on your RKE system but you should set it for (-) Door Lock and Unlock outputs. A direct connection to the Lock wire is all you need. For the Unlock you will need two 1N4001 diodes and follow this diagram : http://diagrams.marktoonen.nl/DOWNLOADS/26500_LAND-CRUISER_TOYOTA%20UNLOCK%20DIAGRAM.pdf To locate and test the above mentioned lock wires use a Digital Multi Meter set to 20V DC. Connect the Red test lead to +12V constant and the Black test lead to the suspect wire. Press the drivers door lock/inlock buttons to see the DMM go to +12V.Soldering is fun!

thanks mate for your reply really appreciated i forgot to write some info about the car and the system its RHD Australian model without factory alarm or key less system i searched online a lot almost all what i found was for U.S cars all the wires were different color/location etc i located the lock/unlock wires as you said using the multi meter when i tried to connect them nothing happened but i didn't used any diodes it was a little bit confusing because some people worked out for them with direct connection to lock/unlock wires some got lucky with the wires before the central door control unit , but i had no luck anyway last try was to connect the wires to the main lock/unlock switch i hacked the rear cover the button has 3 wires 3.2.1 if i want to lock it 1 and 2 will contact so the car locks to unlock it 2 and 3 will connect to each other so it opens , there were my problem what to do about the 3rd wire or how to connect it , some people worked out for them with direct connection to lock/unlock wires some got lucky with the wires before the central door control unit , but i had no luck anyway

It might be easier to use relays controlled by the aftermarket RKE system to duplicate what the central locking switch does. You would need two 30/40 Amp SPDT relays and the 5 wire harness. Lock Relay : Relay Pin 85 to RKE (-) Lock output Relay Pin 86 to +12V constant Relay Pin 30 to central locking switch Pin 2 Relay Pin 87 to central locking switch Pin 1 Unlock Relay : Relay Pin 85 to RKE (-) Unlock output Relay Pin 86 to +12V constant Relay Pin 30 to central locking switch Pin 2 Relay Pin 87 to central locking switch Pin 3 All that is left is to figure out which two wires from the RKE system supply a (-) output with the remotes lock/unlock commands.Soldering is fun!