If you are removing the 86120 to install a modern touchscreen head unit, do not cut the factory dashboard wires. Buy a . This plug-and-play harness snaps directly into the factory 10-pin and 6-pin plugs, exposing standard aftermarket color-coded wires (e.g., Yellow for constant, Red for ignition, Black for ground) that easily splice into your new stereo's harness. Frequently Asked Questions
Toyota illumination wires switch from 0V to 12V when you turn on your headlights. If you mistakenly splice your aftermarket radio's main black ground wire into the green Toyota illumination wire, you will instantly blow your dashboard instrument cluster fuse the moment you drive at night. Always ground your radio to the solid brown factory wire or directly to the metal chassis framework.
The older 86120 units (pre-2006) do not support factory backup cameras or Bluetooth audio. If you see a green 22-pin socket on the back of your unit, that is for a or external navigation module , not a video input. manual toyota fujitsu ten 86120 wiring diagram
Older Toyota radios often use a standardized 16-pin main connector, while later models (especially those with ) use a 20-pin connector to accommodate an external amplifier. The table below provides a general guide to 16-pin (non-JBL) and 20-pin (JBL) power and speaker wiring.
Hopefully, this guide provides a solid foundation for your project. If you encounter a specific wiring color or connector that seems unusual, do not hesitate to search again using the full numeric suffix of your Toyota radio. Good luck with your installation! If you are removing the 86120 to install
Looking directly at the rear of the radio (or the front face of the factory harness plug with the locking tab on top), the pins are numbered 1 through 10 from top-left to bottom-right. Pin Number Standard Factory Wire Function Common Toyota Wire Color Aftermarket Harness Equivalent Front Right Speaker (+) Light Green Pin 2 Front Left Speaker (+) Pin 3 Ignition / Accessory Power (+12V ACC) Pin 4 Constant Battery Power (+12V Battery) Blue with Yellow Stripe Pin 5 Front Right Speaker (-) Gray with Black Stripe Pin 6 Front Left Speaker (-) White with Black Stripe Pin 7 Chassis Ground (-) Pin 8 Power Antenna Trigger (+12V Output) Black or Red with White Stripe Pin 9 Amp Turn-On Trigger (If equipped) Pink with Blue Stripe Blue with White Stripe Pin 10 Illumination / Dimmer (+) 6-Pin Rear Speaker Plug
If presets erase when the key turns off, Pins 1 (Constant) and 2 (Switched) are reversed. The older 86120 units (pre-2006) do not support
If your Toyota has a factory premium sound system (e.g., JBL), the wiring colors might differ slightly, and you will likely need a wiring harness adapter to feed low-level signals to the factory amplifier. No Power: Check the Red ( +12Vpositive 12 cap V Ignition) and Yellow/White ( +12Vpositive 12 cap V Constant) wires using a multimeter.
October 26, 2023 Subject: Technical Analysis, Pinout Identification, and Wiring Schematics for Toyota Fujitsu Ten Model 86120 Audio Units.