: Switched 12V (Accessory/Ignition). Powers the unit on only when the key is in the "ACC" or "ON" position.
: Constant 12V (Battery/Memory). Provides power for the clock and radio presets. pioneer deh p2500r shema
: Detailed board-level schematics and parts lists are available through technical repositories like Elektrotanya . : Switched 12V (Accessory/Ignition)
: System Remote Control. Used to trigger external amplifiers or a power antenna. Speaker Channels Speaker Location Positive (+) Negative (-) Front Left White / Black Stripe Front Right Gray / Black Stripe Rear Left Green / Black Stripe Rear Right Purple / Black Stripe Technical Resources pioneer deh p2500r shema