Jeep JL / JT 6.4L HEMI 392 Swap Complete Wiring Harness Kit

This complete wiring harness kit is specially designed for Jeep Wrangler Wrangler JL, and Gladiator JT models originally equipped with 2.0L or 3.6L engines that are upgraded to the 6.4L HEMI 392 engine.

The kit provides a complete electrical solution for integrating the OEM 6.4L HEMI 392 engine and automatic transmission system into Jeep platforms, ensuring reliable communication between the engine ECU, transmission control system, and factory vehicle electronics.

Kit Includes:

6.4L HEMI 392 Engine Wiring Harness

• Complete wiring connections for ignition system, fuel injection, sensors, throttle control, and ECU integration.
• Designed specifically for 6.4L HEMI 392 engine swap applications.
• Supports communication with factory Jeep vehicle systems.

Automatic Transmission Wiring Harness

• Included with this kit.
• Designed for integration with OEM automatic transmissions used in 392 HEMI swap conversions.
• Provides connections for transmission sensors, solenoids, and transmission control communication.
• Ensures proper operation and integration of the transmission system after conversion.

High-Performance Wiring Material

The wiring harness is manufactured using high-performance Teflon (PTFE) insulated wiring, designed to operate reliably in extreme temperature conditions:

-65°C to 200°C (-85°F to 392°F)

PTFE insulation provides:

• Excellent heat resistance
• Superior chemical resistance
• High abrasion resistance
• Long-term durability in harsh engine bay environments
• Stable signal transmission for critical engine and transmission systems

The professional plug-and-play design reduces wiring complexity, minimizes installation errors, and significantly speeds up the HEMI 392 engine swap installation process.

Vehicle Compatibility:

Jeep Wrangler JL

• • Compatible with models originally equipped with 2.0L or 3.6L engines.
  • Designed for 6.4L HEMI 392 engine conversion.
  • Includes engine wiring harness and transmission wiring harness.

Jeep Gladiator JT

• • Compatible with models originally equipped with 3.6L engines.
  • Designed for 6.4L HEMI 392 engine conversion.
  • Includes engine wiring harness and transmission wiring harness.

Application:

• Jeep JL / JT 6.4L HEMI 392 swap projects
• OEM-style electrical system integration
• Engine and transmission communication integration
• Performance upgrade and custom conversion builds

Packaging Specifications:

• Complete 6.4L HEMI 392 engine & transmission wiring harness kit × 1
• Protective packaging

Accessory Type: Direct Installation (Plug & Play), no additional modification required.

DELIVERY POLICY: most of the countries will arrive within 5 working days. Some countries may be delayed, please contact us in advance.

Shipping: Not included. Users can place orders directly and the system will automatically calculate shipping costs. 

Tariffs: For users in other countries, taxes are not included. Please contact us first.

Pre-Order Note: If you want to sell our products in your country, please contact us for agent policy.