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.
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