EMU Black
ECUEMUBLK
Qty 1 · $1,299.00 USD
InsideLine JZ Harness for EMU Black
Shipping calculated at checkout
Supported Accessories
Quickly add common sensors and accessories to your cart. Quantities shown are for one harness.
EMU Black
ECUEMUBLK
Qty 1 · $1,299.00 USD
EDL-1 ECUMaster Serial Datalogger With Bluetooth
ECUEDL1
Qty 1 · $209.00 USD
WHP Wideband Oxygen Sensor Kit- Bosch 4.9 with connector and terminals
WHPWB492
Qty 1 · $129.00 USD
WHP Boost Control Solenoid Kit- Black Fittings and Bracket
WHPBC2
Qty 1 · $129.00 USD
WHP Flex Fuel Sensor Kit, -6 AN Fittings
WHPFF2
Qty 1 · $164.00 USD
WHP Air Temperature Sensor Kit, 3/8 NPT
WHPIAT
Qty 1 · $49.00 USD
WHP Wideband Knock Sensor Kit - M12
WHPKNK1
Qty 2 · $170.00 USD
WHP 10 BAR PRESSURE SENSOR, 1/8 NPT - WHP10P
WHP10P
Qty 1 · $119.00 USD
WHP 7 BAR FUEL OR OIL PRESSURE SENSOR, 1/8 NPT - WHP7P
WHP7P
Qty 1 · $119.00 USD
In stock

The InsideLine JZ Harness for EMU Black is a complete engine harness solution designed to connect ECUMaster EMU Black and Toyota JZ engines together to power virtually any high-performance build. Get started right on a fresh built engine, overhaul your existing swap or replace an aging harness in a factory-equipped JZ application.
Proudly made in Texas
The harness supports most* Toyota JZ engines including VVTi and non-VVTi 1JZ-GTE and 2JZ-GTE engines, VVTi 1JZ-GE and 2JZ-GE.
*This harness can be adapted to Non-VVTi JZ-GE engines with some modifications to trigger and coil wiring. Not compatible with 2JZ-FSE direct injected engines.
One Size Fits Most
The InsideLine JZ Harness for EMU Black is designed to fit nearly any Toyota 1JZ or 2JZ engine by offering the most common Ignition, Injection and Throttle Body connections as selectable sub-harnesses during configuration. Start by chosing the appropriate subharnesses to suit your engine.
Don't see your components listed? Select "Connector Kit" to recieve a connector kit and build your own unique solution for your engine.
Available Ignition Sub-Harnesses:
- OEM Toyota VVTi Coils
- OEM Toyota Non-VVTi Coils
- Nissan R35 Coils
Available Injection Sub-Harnesses:
- USCAR (for EV6/EV14 as well as ID X-series injectors)
- DENSO High-Key (for OEM GTE injectors and ID2000)
Available Throttle Body Sub-Harnesses:
- JZX90 Throttle Position Sensor and 6-pin Stepper ISCV
- JZX100 Throttle Position Sensor and 6-pin Solenoid ISCV
- ETCS-i Drive-by-wire throttle body
- Flying Lead for Custom Drive-by-Wire Applications
Easy Upgrades
The harness is pre-wired for common features and upgrades, including
- ECUMaster EDL Data Logger
- Fuel and Oil Pressure Sensors
- Ethanol Content (Flex Fuel)
- Electronic Boost Control
- Bosch 4.9 Wideband Oxygen Sensor
- Dual Flat-Response Wideband Knock Sensors.
Adding these devices and sensors during configuration will give you a simple one-box solution for managing your Toyota JZ engine project effectively.
Built For Reliabilty
Made in the USA with high-grade TXL automotive wire, quality woven split-braid sleeving, and OEM-sourced connectors, terminals, and seals, InsideLine harnesses simplify installation and future-proof your wiring, making it easy to add sensors, change components or add features to your JZ build.
Choose the sub-harnesses, sensors, and accessories that are right for your setup during configuration. Together with the base engine harness, they make up the WHP InsideLine—The quickest and easiest way to equip your JZ-powered race car or high-performance JDM build with quality wiring and ECUMaster motorsport electronics.
Supported Engine Functions
| Function | Detail |
| Injector Outputs | Sublooms available for EV6/14 or Denso (high key) injectors |
| Ignition Outputs | Direct fire, compatible with OEM (VVT-i/non-VVT-i) and smart coils |
| Coolant Temperature | Pre-wired for factory coolant sensor |
| Throttle (TPS ISCV) | Sublooms available for JZX90, JZX100, and ETCS-i DBW |
| Alternator | Pre-wired for oval style connector (round connector included) |
| MAP Sensor | EMU Black internal 4 bar MAP sensor |
| Cam Control | Pre-wired for factory VVT-i solenoid |
| Crank and Cam Sensors | Pre-wired for factory VR sensors (aftermarket triggers can be used) |
| Air Temperature Sensor | Pre-wired for standard GM style IAT (sensor sold separately) |
| Fuel Pump | AUX output controlled |
| Radiator Fan | AUX output controlled |
| Knock sensor | Pre-wired for Bosch wideband flat-response (sold separately) |
| Wideband lambda sensor | Pre-wired for Bosch LSU 4.9 (sold separately) |
| Datalogging | Pre-wired for ECUMaster EDL Datalogger (sold separately) |
| Flex Fuel | Pre-wired for ethanol content sensor (sold separately) |
| Fuel Pressure | Pre-wired for WHP 10bar or WHP 7bar pressure sensor (sold separately) |
| Oil Pressure | Pre-wired for WHP 10bar pressure sensor (sold separately) |
| Boost Control | Pre-wired for electronic boost controller (sold separately) |
Tech Info and Downloads
| File | Notes |
| Insideline JZ Harness Pinout | Shows pinout of EMU Black connectors |
| Insideline JZ Harness Basemap | Base file with inputs and outputs assigned |
| Insideline JZ Harness Installation Guide | In depth installation and configuration guide |