Stocker Series CM8
Stocker Series CM8 SKR_CM6 FB-3 SKR_CM6 FB-2 SKR_CM6 FB


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)
  • 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)

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

Additional information

Weight 8 lbs
Dimensions 12 × 12 × 9 in

Product Instructions

Instructions- Cable and Electronic Stocker (BR and BG)


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