Proflow's LS standalone wiring harness kits offer the best in aesthetics and reliability, designed specifically for GM LS engines produced from 1997 to 2002. They are available for both cable-driven and fly-by-wire vehicles with 4L60E or T56 transmissions, and will completely replace your old harness.

Note: These are based off original LS harnesses. Some plugs may be different depending on engine build date.

Kits Include:

  • Fuse/Relay Box
  • Fuel Pump Control
  • Fan Controls
  • Check Engine Lights
  • Speedometer/Tachometer
  • OBD2 Compatibility
  • Pedal and Throttle Control
  • MAF/MAP Sensors
  • Coolant Sensors
  • Alternator Plugs
  • O2 Sensors
  • Crankshaft and Camshaft Position
  • Fuel Injectors
  • Coil Packs
  • Knock sensors

 

Please note product instructions have been updated. The online instruction sheet supersedes the instructions that may be included with the product.

More From This Category

Haltech Nexus Rebel LS - T56 Transmission Harness

Haltech Nexus Rebel LS - T56 Transmission Harness

$35.00

Haltech Wiring Harnesses, Elite ECU Plug'n'Play Adaptor Harnesses, Elite 1000/1500 Subaru WRX MY99-00 Plug 'n' Play Adaptor Harness, Kit

Haltech Wiring Harnesses, Elite ECU Plug'n'Play Adaptor Harnesses, Elite 1000/1500 Subaru WRX MY99-00 Plug 'n' Play Adaptor Harness, Kit

$715.00

Haltech Wiring Harnesses, Elite ECU Universal Harnesses, Elite 750 Basic Universal Wire-in Harness Length: 2.5m (8'), Kit

Haltech Wiring Harnesses, Elite ECU Universal Harnesses, Elite 750 Basic Universal Wire-in Harness Length: 2.5m (8'), Kit

$410.00