"Red - +12V Switched (accessory) Power"
My case is installation of Pioneer DEH 2050MP in my Ford Escort LX (bult in 2001 in Argentina)
Question, can red wire be connected with yellow one from battery or shall be kept free(not connected ) if I have no wire coming from ignition/Accesory?
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Red = 12v Switched Source (Ignition)
Yellow = 12v Constant Source (Battery)
Black = Ground (Chassis)
Orange = Illumination (Dashboard Lights)
Blue with White = Power Antenna Up / Down Signal
Blue = Amplifier Power On / Off Signal
White / White & Black = Left Front speaker + / - Green /Green & Black = Left Rear speaker + / - Gray / Gray & Black = Right Front speaker + / - Violet / Violet & Black = Right Rear speaker + / -
Not sure what you mean by memory wire but usually it is:
Yellow - 12V constant
Red - 12V switched by ignition
The 12V constant on the yellow wire allows for settings to be stored when the ignition is off. The 12V switched by the ignition on the red wire is what powers the unit up for use.
You can purchase the install manual http://parts.pioneerelectronics.com/part.asp?productNum=CRD2484 for $4.95.
The wiring for the DEH-245, a closely related unit, is below:
Orange = +12V constant Red = +12V switched Black = ground Blue/white = remote on Green/Black = Left Front - Green = Left Front + Grey/Black = Right Front - Grey = Right Front + Black/White = Right Rear - Grey/Red = Right Rear + Black/Green = Left Rear - Green/Red = Left Rear +
Orange - 12V constant
Red - 12V switched (acc)
Black - Ground
Green - Left Front +
Green/Black - Left Front -
Grey - Right Front +
Grey/Black - Right Front -
Green/red - Left Rear +
Black Green - Left Rear -
Grey/Red - Right Rear +
Black/Grey - Right Rear -
On your Alero, the 12V constant wire is ORANGE and should connect to the YELLOW wire coming from the DEH-2300 wiring harness. 12V switched on your Alero is YELLOW and should be connected to RED coming from the DEH-2300.
Yellow - +12V Constant Power Red - +12V Switched (accessory) Power Blue - Power Antenna Blue/White - Amp Turn-on White - Left Front Positive Speaker Wire (LF+) White/Black - (LF-) Gray - Right Front Positive Speaker Wire (RF+) Gray/Black - (RF-) Green - Right Rear Positive Speaker Wire (RR+) Green/Black - (RR-) Purple - Left Rear Positive Speaker Wire (LR+) Purple/Black - (LR-)
Yellow - +12V Constant Power
Red - +12V Switched (accessory) Power
Blue - Power Antenna
Blue/White - Amp Turn-on
White - Left Front Positive Speaker Wire (LF+)
White/Black - (LF-)
Gray - Right Front Positive Speaker Wire (RF+)
Gray/Black - (RF-)
Green - Right Rear Positive Speaker Wire (RR+)
Green/Black - (RR-)
Purple - Left Rear Positive Speaker Wire (LR+)
Purple/Black - (LR-)