Proflow LS1/LS6 Standalone Wiring Harness 4L60E Auto Transmission Drive-by-Cable EV1 Injectors – PFEWH1201

Proflow LS1/LS6 Standalone Wiring Harness – PFEWH1201

Simplify your LS swap or engine build with the Proflow LS1/LS6 Standalone Wiring Harness. Designed specifically for drive-by-cable GM LS engines (1997–2002) with a 4L60E automatic transmission, this harness completely replaces your old wiring — eliminating electrical gremlins and delivering a clean, reliable result that looks as good as it functions.

Available for LS with T56 manual or 4L60E automatic transmissions. Fuse block included.

Specifications

• Throttle: Drive-by-Cable
• Transmission: 4L60E Automatic
• Injector Plug Style: EV1
• MAF Sensor: 3-Pin
• O2 Sensors: LS1 Style
• Harness Length: Standard
• Fuse Block: Included
• Fitment: GM LS1/LS6 – 1997 to 2002
• Quantity: Complete Kit

Included Connectors

• Fuse/Relay Box
• Fuel Pump Control
• Fan Controls
• Check Engine Light
• Speedometer & Tachometer
• OBD2
• Accelerator Pedal & Throttle Body Control
• MAF Sensor & MAP Sensor
• Engine Coolant Temp Sensor
• Alternator Control
• (2) Upstream Oxygen Sensors
• Crankshaft & Camshaft Position Sensors
• Fuel Injectors (EV1)
• Coil Packs
• Manual or Automatic Transmission Control
• Knock Sensors

Why Proflow?

• Purpose-built for LS swaps — not a modified OE harness
• Complete plug-and-play replacement — no splicing required
• Clean aesthetics and reduced weight vs factory wiring
• Fuse block included for a tidy engine bay install