The Wiring Specialties RB20DET Wiring Harness includes the engine and transmission harnesses for an RB20DET motor installed into any S13 240SX.
Completely replace your old engine and transmission harnesses with brand new ones, save time and money! 
Package includes:
Brand new ENGINE harness
Brand new INJECTOR sub-harness
Brand new TRANSMISSION harness
Brand new KNOCK SENSOR harness
Instructions on S13/S14 Tach adjustment for RB engine 
Any S13 240sx manufactured in 1989-1994 (Including the Convertible and ABS cars)
Transmission Harness supports 5-speed and Auto to 5-speed conversions
 
Engine and Transmission Harnesses Feature:
Brand new wiring and connectors
Each Engine harness contains the OEM 5-pin MAFS connector
Replaces the OEM engine harness entirely
INCLUDES ABS wiring for any S13 240sx
Support the OEM Consult port (DOHC models and up)
Installs in 15 minutes- Improved ECU grounding
OEM connector specs (no cheap aftermarket connectors that fall apart)
Designed for a factory-like installation and fit and finish for the S13 240sx
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
Requires RB20DET/S13 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.