![]() ![]() ![]() The Quadlock connector consists of a block of 16 flat pins analogous to the two main ISO 10487 connectors. Therefore, searching for Quadlock components may be unsuccessful for example, Molex refers to a typical component of the connector as MOST Frame Receptacle Housing (part number 986811001). Quadlock may not be the description used by manufacturers of the connector components. It has ten pins.įrom 2000 and onwards, manufacturers, such as BMW, Citroën, Ford, Mercedes Benz, Peugeot, Volkswagen, Rover, Audi, SEAT, Opel or Škoda have sometimes started using a 40-pin connector instead, called the Quadlock. The connector D is for satellite navigation systems. The example above is oriented towards VW vehicles only. Note: ISO 10487 only defines the physical attributes of the connectors, not the pin/signal designations, which are manufacturer-defined. The contact spacing is narrower than the other connectors, so the C connector is sometimes referred to as mini-ISO. Sometimes it appears as one 20-pin connector, often red in colour, or it may be divided into three separate connectors which may be hooked together, in which case C1 is usually yellow, C2 is typically green and C3 is generally blue in colour. The second connector B is for connecting four loudspeakers, front, rear, left and right, and is usually brown in colour.Ĭonnector C is optional. Pin 6 is optional used for vehicle instrument illumination.Pin 3 is optional used for reversing lamp signal on Becker radios with navigation. ![]() Pin 1 is optional used for speed-dependent volume control and possibly navigation.On some cars the +12V Ignition and Battery positions are reversed, such as later Volkswagen Group cars, Peugeot 106, Vauxhall Astra, Citroën C3 and some JCB tractors.The first connector A is always present, is usually black in colour, and contains pins for power supply, off/on (typically controlled by the ignition key), optional control for a motorised antenna and so on. Part 1 of the standard is dedicated to "Dimensions and general requirements" and Part 2 to "Performance requirements". ISO 10487 connector pinout (plug side of male, wiring side of female) Parts ISO 10487 was created in 1995 and defines a standard for connectors for the head unit to the car's electrical system, consisting of a system of four different connectors typically used in head units for car audio. ISO 10487 Harness Adapter ISO 10487 connector in car, fits into head unit Steering Wheel Controls, SWC or Key, brown with black stripe, usually employs CAN bus.Back view, orange with white strip, works when reverse gear light is on, and it is used to turn on the back camera screen (i.e.Phone: the cable to mute when receiving a call is brown.Amplifier remote turn on: blue with white stripe.They have low electric current, which is activated when the radio is turned on. Wires with black stripes are for negative power: as GND ( black), 0V, usually connected to the vehicle's metal chassis and body. Illumination ( orange with white stripe) or dimmer, when it is night and cars lights are turned on, head unit screen illumination is dimmed.This allows the radio to retain settings (for example, stored radio stations) when the ignition is switched off. Constant ( yellow), also called BAT or Battery, provides permanent +12V power from battery.ACC ( red), supplies +12V power to car audio and other accessories, only when the car's ignition is switched on.Splicing wires used in car audio are mainly for power, ground, amplifier and antenna, speakers, phone and others. You may have to admit defeat and replace it with a new one from Pioneer parts online store.Several types of connectors for car audio systems are used. If after checking all the above things, you still see that nothing is working on your pioneer stereo system. In many cases, this will solve your issue. You may try removing the ground wire from the back of the device and connecting it to a screw placed on a big chunk of metal on your car. Ensure Good Groundįrom our experience, we saw that despite a good reading on the multimeter, things can still not work due to bad ground. If not, then there is an issue with the ignition wire. Check now to see if the radio showing 12 volts. If that’s showing a good reading, move the red probe to the ignition wire and ignite the car engine. If that doesn’t show anything, then there may have some issue with the power supply to the stereo system. Connect the black probe to the ground wire and the red probe to the constant wire. In case the problem still persists or no loose wire is there, you’ll need a multimeter that can check DC volt. ![]()
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