Option 1 - OEM Series Main Engine Harness Only In Stock Click HERE

Option 2 - PRO Series includes main & trans harnesses In Stock Click HERE

The Wiring Specialties KA24DE Wiring Harness COMBO includes the engine and transmission harness for an S13 KA24DE motor installed into any USDM S13 240sx.

Replace both harnesses with brand new ones and save time and money!

Engine: S13 KA24DE

• Any KA24DE from 1991-1994 240sx

Chassis: USDM S13 240SX

• Any US 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
• Will work on AUTO and MANUAL S13s
• Each Engine harness includes quick-disconnect connectors for the OEM S13 KA24DE MAF and Z32 MAFS
• INCLUDES ABS wiring for the S13 240sx
• Will work in a 1989 and 1990 chassis with a DOHC KA.
• Support the OEM Consult port
• 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 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
• Replaces the OEM engine harness entirely
• Supports both S13 and S14 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.