ISO 10487
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Several types of connectors for car audio systems are used.


Splicing wires

Splicing wires used in
car audio Vehicle audio is equipment installed in a car or other vehicle to provide in-car entertainment and information for the vehicle occupants. Until the 1950s it consisted of a simple AM radio. Additions since then have included FM radio (1952), 8 ...
are mainly for power, ground, amplifier and antenna, speakers, phone and others.


Power and ground

* ACC (red), supplies +12V power to car audio and other accessories, only when the car's
ignition Ignition may refer to: Science and technology * Firelighting, the human act of creating a fire for warmth, cooking and other uses * Combustion, an exothermic chemical reaction between a fuel and an oxidant * Fusion ignition, the point at which a ...
is switched on. * Constant (yellow), also called BAT or Battery, provides permanent +12V power from battery. This allows the radio to retain settings (for example, stored radio stations) when the ignition is switched off. * Illumination (orange with white stripe) or
dimmer A dimmer is a device connected to a light fixture and used to lower the brightness of the lighting, light. By changing the voltage waveform applied to the lamp, it is possible to lower the luminous intensity, intensity of the light output. Alt ...
, when it is night and cars lights are turned on, head unit screen illumination is dimmed. * Ground, abbrev. as GND (black), 0V, usually connected to the vehicle's metal chassis and body.


Speakers

Wires with black stripes are for negative power: * Right front speaker: gray. * Left front speaker: white. * Right rear: purple. * Left rear: green.


Amplifier and Antenna

They have low
electric current An electric current is a stream of charged particles, such as electrons or ions, moving through an electrical conductor or space. It is measured as the net rate of flow of electric charge through a surface or into a control volume. The moving pa ...
, which is activated when the radio is turned on. * Antenna: blue. *
Amplifier An amplifier, electronic amplifier or (informally) amp is an electronic device that can increase the magnitude of a signal (a time-varying voltage or current). It may increase the power significantly, or its main effect may be to boost the v ...
remote turn on: blue with white stripe.


Phone And Others

* Phone: the cable to mute when receiving a call is brown. * 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. when parking). * Steering Wheel Controls, SWC or Key, brown with black stripe, usually employs
CAN bus A Controller Area Network (CAN bus) is a robust vehicle bus standard designed to allow microcontrollers and devices to communicate with each other's applications without a host computer. It is a message-based protocol, designed originally for mu ...
.


ISO 10487 Harness Adapter

ISO ISO is the most common abbreviation for the International Organization for Standardization. ISO or Iso may also refer to: Business and finance * Iso (supermarket), a chain of Danish supermarkets incorporated into the SuperBest chain in 2007 * Iso ...
10487 was created in 1995 and defines a standard for connectors for the
head unit An automotive head unit, sometimes called the infotainment system, is a component providing a unified hardware interface for the system, including screens, buttons and system controls for numerous integrated information and entertainment func ...
to the car's electrical system, consisting of a system of four different connectors typically used in
head unit An automotive head unit, sometimes called the infotainment system, is a component providing a unified hardware interface for the system, including screens, buttons and system controls for numerous integrated information and entertainment func ...
s for
car audio Vehicle audio is equipment installed in a car or other vehicle to provide in-car entertainment and information for the vehicle occupants. Until the 1950s it consisted of a simple AM radio. Additions since then have included FM radio (1952), 8 ...
.


Parts

Part 1 of the standard is dedicated to "Dimensions and general requirements" and Part 2 to "Performance requirements".


Power (A)

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. * On some cars the +12V Ignition and Battery positions are reversed, such as later
Volkswagen Group Volkswagen AG (), known internationally as the Volkswagen Group, is a German multinational automotive manufacturer headquartered in Wolfsburg, Lower Saxony, Germany. The company designs, manufactures and distributes passenger and commercial ...
cars,
Peugeot 106 The Peugeot 106 is a supermini produced by French automaker Peugeot between 1991 and 2003. Launched in September 1991, it was Peugeot's entry level offering throughout its production life, and was initially sold only as a three door hatchback, ...
,
Vauxhall Astra The Vauxhall Astra is a compact car/small family car (C-segment) that has been sold by Vauxhall since 1980. It is currently produced at Ellesmere Port, Cheshire, England. For its first two generations, the nameplate was applied to right-hand ...
,
Citroën C3 The Citroën C3 is a supermini car (B-segment) produced by Citroën since April 2002. It replaced the Citroën Saxo in the model line up, and is currently in its third generation. The third generation model made its appearance in June 2016, and ...
and some JCB tractors. * Pin 1 is optional; used for speed-dependent volume control and possibly navigation. * Pin 2 is optional; used for phone mute * Pin 3 is optional; used for reversing lamp signal on Becker radios with navigation. * Pin 6 is optional; used for vehicle instrument illumination


Loudspeaker (B)

The second connector B is for connecting four
loudspeaker A loudspeaker (commonly referred to as a speaker or speaker driver) is an electroacoustic transducer that converts an electrical audio signal into a corresponding sound. A ''speaker system'', also often simply referred to as a "speaker" or " ...
s, front, rear, left and right, and is usually brown in colour.


Miscellaneous (C)

Connector C is optional. 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 contact spacing is narrower than the other connectors, so the C connector is sometimes referred to as ''mini-ISO''. Note: ISO 10487 only defines the ''physical'' attributes of the connectors, ''not'' the pin/signal designations, which are ''manufacturer-defined''. The example above is oriented towards VW vehicles only.


Navigation (D)

The connector D is for
satellite navigation system A satellite or artificial satellite is an object intentionally placed into orbit in outer space. Except for passive satellites, most satellites have an electricity generation system for equipment on board, such as solar panels or radioisotop ...
s. It has ten pins.


Quadlock

From 2000 and onwards, manufacturers, such as BMW,
Citroën Citroën () is a French automobile brand. The "Automobiles Citroën" manufacturing company was founded in March 1919 by André Citroën. Citroën is owned by Stellantis since 2021 and previously was part of the PSA Group after Peugeot acquired ...
,
Ford Ford commonly refers to: * Ford Motor Company, an automobile manufacturer founded by Henry Ford * Ford (crossing), a shallow crossing on a river Ford may also refer to: Ford Motor Company * Henry Ford, founder of the Ford Motor Company * Ford F ...
,
Mercedes Benz Mercedes-Benz (), commonly referred to as Mercedes and sometimes as Benz, is a German luxury and commercial vehicle automotive brand established in 1926. Mercedes-Benz AG (a Mercedes-Benz Group subsidiary established in 2019) is headquartere ...
,
Peugeot Peugeot (, , ) is a French brand of automobiles owned by Stellantis. The family business that preceded the current Peugeot companies was founded in 1810, with a steel foundry that soon started making hand tools and kitchen equipment, and the ...
,
Volkswagen Volkswagen (),English: , . abbreviated as VW (), is a German Automotive industry, motor vehicle manufacturer headquartered in Wolfsburg, Lower Saxony, Germany. Founded in 1937 by the German Labour Front under the Nazi Party and revived into a ...
,
Rover Rover may refer to: People * Constance Rover (1910–2005), English historian * Jolanda de Rover (born 1963), Dutch swimmer * Rover Thomas (c. 1920–1998), Indigenous Australian artist Places * Rover, Arkansas, US * Rover, Missouri, US * ...
,
Audi Audi AG () is a German automotive manufacturer of luxury vehicles headquartered in Ingolstadt, Bavaria, Germany. As a subsidiary of its parent company, the Volkswagen Group, Audi produces vehicles in nine production facilities worldwide. Th ...
,
SEAT A seat is a place to sit. The term may encompass additional features, such as back, armrest, head restraint but also headquarters in a wider sense. Types of seat The following are examples of different kinds of seat: * Armchair (furniture), ...
,
Opel Opel Automobile GmbH (), usually shortened to Opel, is a German automobile manufacturer which has been a subsidiary of Stellantis since 16 January 2021. It was owned by the American automaker General Motors from 1929 until 2017 and the PSA Grou ...
or
Škoda Škoda means ''pity'' in the Czech and Slovak languages. It may also refer to: Czech brands and enterprises * Škoda Auto, automobile and previously bicycle manufacturer in Mladá Boleslav ** Škoda Motorsport, the division of Škoda Auto respons ...
have sometimes started using a 40-pin connector instead, called the ''Quadlock''. Unfortunately, ''Quadlock'' may not be the description used by manufacturers of the connector components. 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). The Quadlock connector consists of a block of 16 flat pins analogous to the two main ISO 10487 connectors. While the physical contact pins are the same, the pin allocation is not entirely the same, and the connector housing is not compatible. In addition to the 16 pins, like ISO 10487, there are minor connectors for optional equipment. They fit within the frame of the main connector, and have coding so that they cannot be interchanged. Minor connector B has 12 pins for audio output signals. Minor connector C has 12 pins for various audio sources such as CD-changers,
MP3 players A portable media player (PMP) (also including the related digital audio player (DAP)) is a portable consumer electronics device capable of storing and playing digital media such as audio, images, and video files. The data is typically stored o ...
.


See also

*
CAN bus A Controller Area Network (CAN bus) is a robust vehicle bus standard designed to allow microcontrollers and devices to communicate with each other's applications without a host computer. It is a message-based protocol, designed originally for mu ...
* Car antenna jack *
Car radio Vehicle audio is equipment installed in a car or other vehicle to provide in-car entertainment and information for the vehicle occupants. Until the 1950s it consisted of a simple AM radio. Additions since then have included FM radio (1952), 8 ...
*
Dashboard For business applications, see Dashboard (business). A dashboard (also called dash, instrument panel (IP), or fascia) is a control panel set within the central console of a vehicle or small aircraft. Usually located directly ahead of the driver ...
*
Dashcam A dashboard camera or simply dashcam, also known as car digital video recorder (car DVR), driving recorder, or event data recorder (EDR), is an onboard camera that continuously records the view through a vehicle's front windscreen and sometimes ...
*
Fuse (automotive) Automotive fuses are a class of Fuse (electrical), fuses used to protect the wiring and electrical equipment for vehicles. They are generally rated for circuits no higher than 32 volts direct current, but some types are rated for 42-volt electr ...
*
ISO 7736 ISO 7736 is a standard size for dashboard mounted head units, for car audio. It was originally established by the German national organization for standardization, the Deutsches Institut für Normung, as DIN 75490, and is therefore commonly referre ...
, standard for car radio enclosures *
Car A car or automobile is a motor vehicle with wheels. Most definitions of ''cars'' say that they run primarily on roads, seat one to eight people, have four wheels, and mainly transport people instead of goods. The year 1886 is regarded as ...
*
Universal steering wheel control interface Metra Electronics is an American automotive electronics company established in 1949, specializing in audio electronics systems and 12 volt accessories. Brands * T-Spec - installation accessories * Ethereal - home theater cables and accessories * ...


References


External links


Car Audio ISO
connector
pinout In electronics, a pinout (sometimes written "pin-out") is a cross-reference between the contacts, or ''pins'', of an electrical connector or electronic component, and their functions. "Pinout" now supersedes the term "basing diagram" that was the s ...
.
ISO 10487 Passenger car radio connections
** Part 1: Dimensions and general requirements ** Part 2: Performance requirements
Molex part information for MOST Frame Receptacle Housing with Lever and Cable Cover A.K.A Quadlock
{{DEFAULTSORT:Iso 10487 Consumer electronics In-car entertainment