Defi-Link Control Unit II is a necessary controller to install Defi-Link Meters, Defi-Link Meter BFs, and Defi-Link Displays. Up to 7 gauges and displays can be connected and controlled by one Control Unit II. The name of the connection system is "Defi-Link System."

Defi-Link System allows gauges and displays to be attached to Defi-Link Control Unit II with a single "DAISY CHAIN" wiring system.

• Driving data can be stored and can be replayed up to 3 minutes(*1). Pause, speed play, forward, and rewind function can be applied during playback.
• Double Warning function by a meter's LED lamp and a beep(*2)
• The switch panel is embossed and buzzer sounds by pushing the buttons.
• The characters and the rings on the switch panel are illuminated in white at nighttime. It makes operation in the dark easy. 
• Defi-Link Indicator(sold separately) can be connected to M-WARNING connector. The indicator blinks when any of connected meters' warning LED lights.
• Differential pressure between fuel pressure and turbo can be shown if both of fuel pressure meter and turbo meter are installed.(*3)
• UP to 7 gauges among from Defi-Link Meters and Defi-Link Meter BFs and Defi-Link Displays can be operated with one Control Unit II. Microcomputers are equipped with meters and Control Unit II. A distant meter can be operated at hand.
• Defi-Link Control Unit II is applicable only for 12V vehicles.
• Defi-Link Control Unit II is necessary to operate Defi-Link Meter BF.
• Defi-Link Control Unit II or Defi-Link Control Unit is necessary to operate Defi-Link Meter.
• Defi-Link Control Unit II or Defi-Link Control Unit is necessary to operate Defi-Link Display.
• Defi-Link Control Unit is not sold anymore.