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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. manual toyota fujitsu ten 86120 wiring diagram
This is the main harness plug. It delivers primary battery power, ignition switching, illumination signals, and drives the front left and front right speakers. Pin Number Wire Function Common Factory Color Description FR+ (Front Right Positive) Light Green Powers front right speaker (+) Pin 2 FL+ (Front Left Positive) Powers front left speaker (+) Pin 3 ACC (Accessory/Ignition) Switched +12V power from ignition Pin 4 +B (Battery/Constant) Blue / Yellow stripe Constant +12V power for clock/memory Pin 5 FR- (Front Right Negative) Return path for front right speaker (-) Pin 6 FL- (Front Left Negative) Return path for front left speaker (-) Pin 7 GND (Ground) Chassis ground connection Pin 8 ANT+ (Power Antenna) Provides +12V trigger to raise motorized antenna Pin 9 AMP (Amplifier Trigger) Pink / Blue stripe Sends turn-on signal to factory amp (if equipped) Pin 10 ILL+ (Illumination) Dims radio display when headlights turn on 2. The 6-Pin Rear Speaker Connector This public link is valid for 7 days