Proflow’s LS standalone wiring harness kits offer the best in aesthetics and reliability, designed specifically for GM LS engines produced from 1997 to 2004. They are available for both cable-driven and fly-by-wire vehicles with 4L60E or T56 transmissions, and will completely replace your old harness.

_x000D_
_x000D_

Note: These are based off original LS harnesses. Some plugs may be different depending on engine build date. No oil pressure sensor wire is provided/catered for, as this is a aftermarket loom and relies on aftermarket engine management to cater for oil pressure monitoring

_x000D_
_x000D_

PFEWH1201-1 has 5 pin MAF sensor  loom plug    PFEWH1201 has early 3 pin & later 5 pin MAF sensor loom plugs

_x000D_
_x000D_

Kits Include:

_x000D_
_x000D_

_x000D_
• Fuse/Relay Box

_x000D_

• Fuel Pump Control

_x000D_

• Fan Controls

_x000D_

• Check Engine Lights

_x000D_

• Speedometer/Tachometer

_x000D_

• OBD2 Compatibility

_x000D_

• Pedal and Throttle Control

_x000D_

• IAC Sensor

_x000D_

• MAP Sensor

_x000D_

• MAF Sensor 5 pin Late Gen 3 

_x000D_

• Coolant Sensors

_x000D_

• Alternator Plugs

_x000D_

• O2 Sensors

_x000D_

• Crankshaft and Camshaft Position

_x000D_

• Fuel Injectors

_x000D_

• Coil Packs

_x000D_

• Knock sensors

_x000D_

_x000D_