Z31/IACwiring php

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Z31 Idle Air Control Wiring for the NA to Turbo Swap

Ok for those of you who have done the N/A to Turbo Swap on your Z31, Here is how to wire the idle controls for proper operation.

Items needed

• 2 female spade connectors
• Razor knife
• Crimper or pliers
• Extra wire (if needed)

Process

- Locate the 4-pin connector on the N/A harness that went to the N/A idle controls (on the intake plenum, driver side).

• Remove the N/A connector by unhooking the wires inside the connector. Plug these wires into the new turbo connector (use a small pick to lift the tab and release each wire terminal).
• Only reconnect the two wires for the idle up solenoid.

- The other two wires (black and blue) are for the idle control device:

• Black wire: Connects to the "up and down |" pin
• Blue wire: Connects to the "side to side -" pin

Sources Used

1984-1988 Nissan 300ZX Factory Service Manual- Written By: Hendrick301