Iso radio pinouts

SCV - speed-dependent volume control. This pin is used in some radio equipment to automatically boost up the volume. It needs the output from the speed sensor. Note: If the speedometer stops working when the radio is connected, then the pin is probably grounded because radio probably uses this pin for another function, except for GALA.

On some equipment this pin is used, instead, for the rear-view camera control input, which carries the 12v backup-light signal to the head unit to tell it to display video from the backup camera.

Mute from Cell-Phone. This pin is used to silence the audio cd, earthed by some other external components such as a mobile phone that is connected to the radio. Satellite navigation uses this signal, the GALA signal pin 1 and an internal laser gyroscope to calculate position in the absence of satellite signals.

Memory Power 12V direct from Battery. Connects the radio directly to the battery. Power for Electric Antenna. Dial-light illumination car side light circuit. For some it actually illuminates the radio display - the others can dim the lights.

If the dashboard of your car has a light control function, this pin should be connected in order to regulate the brightness. Car stereo wiring diagram radio installation head unit. Car radio wire colors car audio wiring free radio wiring diagrams. Radio diagram wiring car radio car radio wiring diagrams. Free car radio wires stock diagram. Car radio wiring colour codes car radio speakers. Free Download.

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