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This Coolant Temperature Sensor / AAC Valve Repair Harness replaces the faulty connection on the AAC Valve of your Idle Air Control Valve or the Coolant Temperature Sensor. Z1 also sells this connector and the components to build your own repair harness HERE

Factory connectors under the hood are often brittle and broken leading to irritating drivability problems.  To make things worse early style connections were not sealed weather tight which leads to corroded connections and poor operation.

Now you can repair your harness with our updated repair harness.  This harness uses weather tight late model genuine Sumitomo connectors (like the ones used in 1995+ harnesses) with appropriate gauge stranded copper wire.

Don't settle for inferior alternatives, use the connector that Nissan used to correct this weak point in the EFI harness.  Each order includes connector the replacement harness and 2 pieces heat shrink tubing to assist in the clean look of properly spliced wires.


  • 1990-1996 Nissan 300ZX (Z32) 


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