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Peterbilt 387 Engine Harness  Wiring Diagram (Cummins ISX & Signature Engines w/ CM870 Controller)
Peterbilt 387 Engine Harness  Wiring Diagram (Cummins ISX & Signature Engines w/ CM870 Controller)

Peterbilt 387 Engine Harness Wiring Diagram (Cummins ISX & Signature Engines w/ CM870 Controller)

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Peterbilt 387 Engine Harness  Wiring Diagram (Cummins ISX & Signature Engines w/ CM870 Controller)
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This is a four (4) page wiring diagram for use with Model 387 Peterbilt Truck with Cummins ISX and Signature Series Engines, with CM870 Controller.

  • Shows all connectors with names, connector numbers, curcuit numbers, and connector locations. 
  • Shows "from and to" components, wire colors, component wire connects to, terminal locations, wire guage, insulation type.
  • Shows connector end views with pins identified.
Specifications
Publisher: Peterbilt
4 Paper Sheets: 16 x 24 inches each
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