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Wiring Specialties Pro Series Harness for Mazda RX7 FD w/ 2JZGTE

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This Wiring Specialties PRO Series harness was designed from the ground-up to exceed OEM specifications for wire quality, power/ground routing.

Looking for the best in aesthetics, weight savings and reliability out of your harness?  Our Pro Series harness completely replaces your old OEM harness so you can forget about those electrical gremlins.

This harness is specifically engineered for a USDM LHD Mazda FD RX7 (93-95)with a 2JZGTE engine swap. It was developed in house on an actual 2JZGTE engine in an FD RX7 chassis to ensure a perfect fit to all engine sensors. With our simplistic and 'tucked' approach the end result will be a clean and worry free installation with a guaranteed start up.

Wiring Specialties offers a number of options for common performance upgrades for this product.  Build your perfect harness by selecting from the available options to the right a
nd as always if you have any questions reach out to us.​  


  • Main Engine and Transmission one-piece tucked harness
  • 6x Coilpack connections
  • 6x Injector connections
  • 2x knock sensor connections
  • 4x VSV twin Turbo control connectors (Twin Turbo option only)
  • MAP connector
  • IAT connector
  • TPS connector
  • Boost solenoid wiring (with AEM/Haltech or aftermarket computers)
  • 12-pin and 4-pin igniter chip connectors (relocated to inside the
  • 2x Cam sensor connector
  • Crank sensor connector
  • Idle air motor connector
  • OEM Oxygen sensor connectors (wideband wiring is not part of the EFI harness, except AEM Infinity 6/8 or Haltech Elite)
  • 2x ground ring terminals
  • ECT sensor connector and cluster coolant temp switch connector
  • Reverse lights sensor connector
  • Speed sensor connector
  • Alternator connector
  • Starter signal connector
  • OEM oil pressure 1-pin connector
  • ECU Diagnostics mode connector
  • ** No traction Control wiring supplied
  • Printable install instructions with pictures
  • Turn Key ENGINE START Guarantee


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