Haltech Nexus Rebel JZ R154 Transmission Harness

Haltech Nexus Rebel JZ R154 Transmission Harness – Toyota JZ Swap Wiring

The Haltech Nexus Rebel JZ R154 Transmission Harness (HT-187005) is a purpose-built wiring solution designed to integrate an Toyota R154 transmission into a Haltech Nexus Rebel JZ terminated wiring system. It provides a clean, reliable and serviceable way to connect key transmission-related signals, reducing custom wiring time and helping ensure your Toyota JZ build is wired correctly.

R154 conversions are common in 1JZ and 2JZ performance builds, but transmission wiring is often where projects slow down. Reverse switch wiring, vehicle speed signals and related connections can become messy quickly. This harness keeps the install tidy, consistent with Haltech Nexus wiring architecture, and easier to diagnose long-term.

Key Benefits

• Designed for Haltech Nexus Rebel JZ wiring systems
• Purpose-built for R154 transmission integration
• Reduces installation time and eliminates guesswork
• Improves serviceability and fault-finding
• Ideal for high-performance street, drift and track builds

If you’re building a Toyota JZ swap using a Haltech Nexus Rebel JZ ECU and an R154 gearbox, this is the correct plug-in transmission harness to finish the job cleanly.