Standalone LS1 Engine Wire Harness 1997-2006 DBC (EV1/Minitimer/Jetronic) Manual Transmission

Photos of products are sample images. Actual product may vary.

Designed to be a universal fit LSx engine harness, our Stocker Series harnesses come standard with a sealed fuse box, Techflex split braided loom, and heat shielding to protect areas of the harness that are typically near exhaust.

Easily add electric fans with our Sealed E-Fan Add-on Module

The CPW Stocker series harness contains all of the following connections:

• ECM (Blue and Red Connections)
• Crank position sensor (3 pin black, rear passenger side behind starter. For 24x Crank reluctor)
• Cam position sensor (3 pin black, top rear of engine)
• Knock sensors (2 pin plug, top rear of engine, connects to factory sub-harness)
• MAP sensor (3 pin gray plug, sensor mounts to intake in various locations depending on intake)
• Engine coolant temperature (2 pin plug, front Driver’s side cylinder head)
• Mass air flow (5 pin plug, front of engine. Sensor p/n 19330121 or equivalent)
• Injectors (2 pin plugs, optional Multec, EV6, and EV1 connection)
• Coils (7 pin gray plug, between middle 2 injectors on each side of engine. Connects to factory coil sub-harness)
• Throttle position sensor (3 pin round plug, TPS mounted to throttle body)
• Idle air control valve (4 pin flat plug, IAC motor mounted to throttle body)
• Oxygen sensors (4 pin flat or square plug depending on application. Routed out back side of engine, AFS123 or equivelant)
• Alternator (4 pin plug, 2 wires. Connection for common GM LSx 4 pin alternators)
• Diagnostic link connector (16 pin black, intended to mount inside vehicle for ease of access)
• Vehicle speed sensor (2 pin plug long enough to reach tail of transmission)
• Optional – 4L60E or 4L80E Automatic transmission connector (Round gray plug out back of engine)
• Optional – Input speed sensor (2 pin plug, included with 4L80e transmission option)

Bare input and output wires

• 12V switched (Pink/Black, ignition power signal from vehicle ignition switch)
• Power to Fuel Pump (Gray, 20A fused output from fuel pump relay pre-installed in sealed fuse box)
• Tachometer (White, engine speed output from ECM)
• Speedometer (Dk Green/White, calculated vehicle speed output from ECM)
• Check Engine (Brown/White, ground signal from ECM to operate service engine light)
• Fan 1 (Dark Green, control wire from ECM to operate primary electric fan relay)
• Fan 2 (Dark Blue, control wire from ECM to operate secondary electric fan relay)
• Optional – Brake Switch (Purple, connect to brake switch for TCC lockup control)