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Rywire Mazda RX7 FD3S 13B Mil-Spec Engine Harness
fd rx7 engine harness
On Sale

Rywire Mazda RX7 FD3S 13B Mil-Spec Engine Harness

Regular price $699.00

Rywire Mazda RX7 FD3S 13B Mil-Spec Engine Harness

This is a wire-tuck style Mil-spec engine harness using high quality tefzel wire and DR-25 sleeving.

This is made for a 13b engine, in a Left hand drive RX7 FD3 chassis. Intended for single turbo application only. AUTO Chassis have different engine harness connections.

The harness has connections for:

  • Coolant Temp (for ECU)
  • Knock Sensor
  • Injectors 1-4 -2 leading, 2 trailing
  • Ground for the ECU
  • Oxygen Sensor - Single wire narrow band
  • Coolant sender for gauge
  • Throttle Position Sensor (TPS)
  • Intake Air Temp (IAT)
  • 4 transmission connections
  • Fan Switch
  • Cam & Crank sensors - Trigger 1 and Trigger 2 for ECU sync.
  • Oil metering pump
  • Boost solenoid
  • 2 ECU plugs & 2 chassis plugs
  • Idle motor (IAC)

This wire harness is made specific for a RX7 FD3 Chassis, not intended to be used for a 13b standalone engine harness.

For "Right hand drive" customers, the ECU type will be for the earlier model
(Our harness does not support the Austrailian 16-bit ECU's from 96-98)

*Auto chassis customers must send in the large BLUE connector near the ecu plugs off of their engine harness for us to install.



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