ENGINE: S15 SR20DET
CHASSIS: Nissan S15 Silvia RHD 1999-2002
ECU: QT or NQ (S15 OEM) or compatible aftermarket plug-in ECU 

Main Engine with OEM Series Coil Pack Harness plus lower Transmission harnesses COMBO - Save $40 over buying separately!

Add a Smart Coil Pack Harness and/or Add a PRO Series Fuel Injector Sub-Harness if you need them.

Completely replace your crusty old OEM Engine & Transmission harnesses with brand-new harnesses.  Each Pre Made Harness will save you time, improve engine performance, give your engine bay a factory look and includes Tech Support & our Turn-key Start-Up Guarantee!

* For LINK, AEM MAP, Apexi, or Haltech conversions, please consider ordering the Pre-made PRO Series version of this harness HERE

Harness is for MANUAL TRANSMISSIONS ONLY, including vehicles converted from automatic to manual.

This Plug-N-Play harness completely replaces your JDM RHD S15 Silvia 1999 - 2002 main engine wiring & lower / transmission wiring.  

Engine Harness Features

• Brand new wiring and connectors
• Installs in 15 minutes- Improved grounding routing by addition of internal cross-grounding
• OEM connector specs (no cheap aftermarket connectors that fall apart)
• Designed for a factory-like installation and fit and finish for the S15 Silvia
• Retains OEM wiper functionality
• Retains Cruise Control and all gauge functions
• Works with the Greddy/Freddy intake manifolds- All A/C, Temp override, Auto On/Off functions properly
• OEM wiring connections and 'T' junctions. No soldered connections at all
• Fully tested after production for an easy plug-and-play replacement
• Replaces the OEM engine & transmission harnesses entirely
• Coil Pack Harness included
• Supports both S14 & S15 Speed Sensors
• Transmission Harness supports 5-speed and Auto to 5-speed conversions
• Will improve engine performance through better grounding and power wiring
• Turn Key ENGINE START Guarantee 
• Tech support for our customers 7 days a week.