The Wiring Specialties SR20DET Wiring Harness includes the lower harness for an S14 SR20DET transmission installed into any S13 240sx.

Each Pre Made Harness will save you time, improve engine performance, give your engine bay a factory look and comes equipped with our Turn Key Start-Up Guarantee!

Engine: S14 SR20DET  

• Any S14 SR20DET engine from 1994-1998 Silvia

Chassis: S13 240SX  

• Any S13 240sx manufactured in 1989-1994
• Transmission Harness supports 5-speed and Auto to 5-speed conversions
• Harness supports ABS equipped cars

Transmission Harness Features:

• Brand new wiring and connectors
• Installs in 15 minutes-
• Improved grounding connectors over stock
• OEM connector specs (no cheap aftermarket connectors that fall apart)-
• Replaces the OEM transmission harness entirely
• Designed for a factory-like installation and look for the S13 240sx
• Works with the S13 and S14 Speed Sensors
• OEM wiring connections and 'T' junctions. No soldered connections at all
• Fully tested after production for an easy plug-and-play replacement
• Turn Key ENGINE START Guarantee 
• Tech support for our customers 7 days a week.