Nearly every Toyota Fujitsu Ten 86120 unit uses two main connectors: A 10-pin (main power/speakers) and a 6-pin (optional rear speakers/illumination). Some premium units add a 3rd small 5-pin connector for external CD changers or steering wheel controls.
Here is the typical pinout looking at the back of the radio (pins facing you).
| Pin | Wire Color | Function | Notes | | :--- | :--- | :--- | :--- | | 1 | Red (Thin) | Speed Sensor | For automatic volume control (rare) | | 2 | Black | Signal Ground | For external amp | | 3 | Brown | Mute Signal | For factory hands-free (if equipped) | | 4 | Blue/Black | Rear Left Speaker (+) | Most common for 4-speaker systems | | 5 | Blue/Yellow | Rear Left Speaker (-) | Most common for 4-speaker systems | | 6 | Pink or Light Blue | Rear Right (varies) | Check specific year | manual toyota fujitsu ten 86120 wiring diagram
Important: On many 86120 units, the rear speakers are actually driven by an external factory amplifier (usually under the passenger seat). If you get no sound from the rear, don't blame the 86120 head unit—check the external amp.
The rear of the 86120 unit typically features either two or three main connection ports, depending on whether the vehicle is equipped with the JBL Premium Sound system or an external amplifier. Nearly every Toyota Fujitsu Ten 86120 unit uses
Standard Configuration (Non-Amplified Systems):
Premium Configuration (JBL/Amplified Systems): Speaker Impedance: Toyota speakers are typically 4 Ohms
If you’re stuck: