Optional Counter Interface Unit Type M12 (B870-21)
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2. Install the four studs [A] in the controller box.
3. Install the key counter interface board [A] shown below on the four studs.
4. Connect the harness included in this kit to the connector [A] on the interface board.
5. Do the following steps:
• Route the harness through the rear of the interface board, and then connect it to CN570 [A].
• Bind the harness at the point [B] with the harness band included in this kit to prevent interference with
other harnesses.