Looking for a Plug and Play solution for your swapped FRS/BRZ/86? Our Pro Series Harness is our solution for saving you time and headache when wiring up your engine swap. This harness includes full CANbus integration so you can forget about those electrical gremlins once and for all.

This harness is perfect for a Scion FRS (2012-2016) / Subaru BRZ (2012+) / Toyota 86 (2012+) with an LS3 engine swap. This harness was developed in house on an actual LS3 engine to ensure a perfect fit to all engine connections.

• Plug and play installation into the chassis using a completely new Wiring Specialties PRO harness (no cutting or modifying factory wiring)
• Gauge functionality with tach, coolant temp, CEL, Speedometer, traction lights etc - fully functional
• Supported A/C functionality with stock Toyota lines and pressure sensor
• Dual Fan supported through factory wiring (for both OEM and Aftermarket ECUs)
• Supports proper Power Steering operation (variable if ABS controller is retained)
• Push-button START supported on Premium models
• Proper Fuel Level gauge functionality

SUPPORTED ENGINES: GM 6.2 LITER LS3 ENGINES USING DRIVE BY WIRE / ELECTRONIC THROTTLE

• 2011-2014 Chevrolet Camaro
• 2008-2014 Chevrolet Corvette
• 2006 Chevrolet Tahoe / Silverado

CHASSIS: Scion FRS (2012-2016) / Subaru BRZ (2012+) / Toyota 86 (2012+) USING CABLE THROTTLE CONVERSION ONLY

PRO-SERIES HARNESS TECHNICAL SPECS

• Plug and Play – simple and efficient
• NO CORE HARNESS or additional wiring required
• OEM wire colors used, where applicable
• All sensor signal connection use EM shielded wires
• Super-High Temp Fireproof fiberglass loom used on knock sensor, O2 sensor & transmission branches located in hot areas. (-40°C/-40°F to +450°C/+845°F operating temperature)
• Point-to-Point continuity tested on every wire
• Constructed using exact OEM connectors and seals
• Made with high temp TXL wire with adhesive shrink tubing (-40°C/-40°F to +125°C/+257°F operating temperature)
• Wrapped in lightweight nylon loom (-94°C/-137°F to +125°C/+257°F operating temperature)
• Includes a charge harness and improved grounds
• Fully tested after production for an easy plug-and-play installation

PRO-SERIES HARNESS INCLUDES

• Harness fully redesigned with optimized & improved power and ground routing
• Supplied with 5 Fused Relays in a weather-tight sealed Bussmann Box
• Relays provided: Ignition, Fuel Pump, Fan1, Fan2 & A/C relay (if not using A/C can be used for aux function like oil/diff cooler fan etc)
• Main Engine and Transmission one-piece tucked harness
• Alternator charge cable built into the main harness
• Knock sensor sub-harness connector
• MAFS connector
  
• MAP sensor connector
• Intake Air Temp connector
• TPS connector
• 8x Injector connectors
• Integrated Bank 1 and Bank 2 Coil Harnesses in the OEM location – no sub-harnesses required
• Oil Pressure gauge connector
• Proper gauge wiring support for Dual 30 Amp PCM-controlled electric cooling fans
• Cam sensor connector
• Crank sensor connector
• Bank 1 and Bank 2 FRONT Oxygen sensor connectors (High Temp shielding)
• 1 x Ground ring terminal
• Idle air connector
• ECT sensor connector and cluster coolant temp switch connector
• Reverse lights sensor connector
• Speed sensor connector
• Reverse Lockout connector
• Skip Shift connector
• Alternator connector
• Starter signal/start connector
• A/C Wiring is available as an option. Please note that adding A/C to an LS2 is not easy and will require custom lines and sensor installation. Wiring Specialties will provide a wiring sub-harness needed for operating the A/C system ONLY
• OBD2 Communication connector
• Printable install instructions with pictures
• Turn Key ENGINE START Guarantee
• Tech support for our customers 7 days a week

Return Policy

All items are subject to a 20% restocking fee on all returnable items within the 14 days of the purchasing date depending on their condition when returned.

If you placed an order and received free shipping but returned an item and you no longer qualify for the free shipping, you, the buyer, are responsible for paying the original cost of shipping and the return shipping cost..

What is a reasonable restocking fee? It is the percentage of the item’s price depending on type of item and condition when it is returned. Our restocking fee is 20%.