1999 Toyota 4Runner Vehicle Wiring Chart and Diagram

Vehicle Wiring Details for a
1999 Toyota 4Runner

Item	Wire Color	Polarity	Wire Location
12V	white - white/red	Positive (+)	ignition harness
Starter	green/black or black	Positive (+)	ignition harness
Starter 2	none
Ignition	black/yellow	Positive (+)	ignition harness
2nd Ignition	blk/red	Positive (+)	ignition harness
3rd Ignition	none
Accessory	blue/red	Positive (+)	ignition harness
Accessory 2	none
Tachometer	black		[8]
Power Door (Lock) Wiring Diagram for [Negative (-)] Door Lock	brown/white	Negative (-)	passenger kick [1]
Power Door (Unlock) Wiring Diagram for [Negative (-)] Door Unlock	grn/yel & blu/yel [2	Negative (-)	passenger kick [1]
Door Trigger	lt. green/black	Negative (-)	[5]
Dome Supervision Wiring Diagram for [Negative (-)] Dome	use door trigger	Negative (-)
Headlights	red/yellow	Negative (-)	light switch or column
Parklight Positive	green	Positive (+)	dimmer or harness to rear
Parklight Negative	red/white	Negative (-)	light switch or column
Wipers	blue/blk - yel/blue	Positive (+)	at switch
Left Front Window (Up/Down)	lt. green - blu/yel		inside drivers door
Right Front Window (Up/Down)	lt. green - blu/yel		inside passenger door
Left Rear Window (Up/Down)	red/blue - red/yel	A	drivers kick panel
Right Rear Window (Up/Down)	yellow - green	A	drivers kick panel
Trunk/Hatch Pin	tied in with door	Negative (-)
Hood Pin	green/orange	Negative (-)	[6]
Trunk/Hatch Release Wiring Diagram for [] Trunk/Hatch	none
Factory Alarm (Arm)	arms with lock
Factory Alarm (Disarm)	disarms with unlock
Horn	green/red	Negative (-)	steering column
Brake	green/white	Positive (+)	at switch
Door Motor (Lock)	blue/white		drivers kick [3]
Door Motor (Unlock)	pink/green		drivers kick [3]
Disarm	black/yellow		drivers kick [4]
Disarm No Unlock	yellow/red [9]	Negative (-)	steering column

Additional Info:
Some models have an immobilizer system that needs to be bypassed during remote start. Use Commando module TransMod to bypass. [1] lock wires are located in a 18 pin plug. Use key cylinder in passenger door to test. Lock is pin 14, unlock is pin 4, and door unlock detection switch is pin 13. [2] you must send ground to both wires and diode isolate. [3] located in a blue 12 pin plug. [4] located in the harness running to the rear of the vehicle. [5] behind drivers side junction block in a 13 pin plug. [6] drivers side firewall in a gray 26 pin plug. [7] [8] located in the diagnostic plug on the drivers side of engine compartment. [9]This is the ignition key sense wire. Using the status output wire from the remote start to groundThis wire will disarm the alarm without unlocking the doors.

ATTENTION: This wiring information is being provided free of charge and on an "as is" basis, without any representation or warranty. It is your responsibility to verify any circuit before interfacing with it by using a digital multimeter. GNU Industries, Inc. assumes no responsibility with regards to the accuracy or currency of this information. Proper installation in every case is and remains the responsibility of the installer. GNU assumes no responsibility resulting from an improper installation, even in reliance upon this information.