For a 1971 GM pickup, the under-the-hood wiring diagram typically includes connections for the battery, starter, ignition coil, alternator, and various sensors. The wiring harness routes power to essential components like headlights, turn signals, and the engine management system. It's important to refer to a specific service manual for detailed schematics, as configurations can vary based on the engine type and options installed. You can often find wiring diagrams through classic vehicle restoration websites or automotive forums.
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