Here is a possible wiring diagram for the voltmeter on a 1996 Peterbilt 379 with a C15 engine:
- The voltmeter gets power from the battery through a 5A fuse (F2) and a 10A circuit breaker (CB7).
- The voltmeter is grounded through a ground wire (GND) connected to the chassis.
- The voltmeter receives the signal from the alternator through a wire (ALT) connected to the alternator "sense" terminal.
- The voltmeter also receives a signal from the ignition switch through a wire (IGN) connected to the ignition switch "ACC" terminal.
Here is a possible wiring diagram based on this description:
Battery positive (+) ---[F2]---[CB7]--- Voltmeter (+) ' ' Battery ground (-) -------------[GND]--- Voltmeter (-) ' ' Alternator "sense" terminal ---[ALT]--- Voltmeter signal input ' ' Ignition switch "ACC" terminal ---[IGN]--- Voltmeter signal input
Note: This is just a possible wiring diagram and may not reflect the exact wiring configuration in your specific vehicle. It is always recommended to consult the wiring diagram provided in the vehicle's service manual or consult a qualified mechanic or electrician for assistance.
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