ISO 10487

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The ISO 10487 is an ISO standard for standardizing the connection plug for the car radio and other audio equipment in the vehicle .

ISO 10487 plug for connecting the car radio

standard

The ISO 10487 standard defines the connectors and their contact assignment in Part 1 of 1992, and Part 2 of 1995 their electrical requirements.

plug

The connector is used in many vehicle models and is usually referred to as an ISO connector for short .

Contact assignments

Block A: Power and supply plugs

Black, offset locking notch. Partly assigned according to the standard, partly manufacturer-specific.

Block A: Contact assignment according to standard ISO 10487

ISO 10487 connector black.svg

1: GALA / SCV 3: remote in
or free		 5: Extendable
antenna
(remote out)		 7: + 12-V ignition
(terminal 15
or 15r)
2:
muting		 4: + 12-V battery
(terminal 30)		 6: lighting
(terminal 58d)		 8: ground
(terminal 31)
GALA - g eschwindigkeits a bhängige L OLUME a daptation
SCV - s peed c ontrolled v olume

Block A: Manufacturer-specific contact assignments

However, some radio and car manufacturers use their own contact assignments, in particular terminals 15 ( ignition plus ) and 30 ( permanent plus ) are often interchanged. This can be seen in the fact that the radio cannot be switched on when the ignition is switched off and the settings are lost.

Blaupunkt (according to ISO 10487)
  1. Automatic Sound (GALA, SCV) - not on all models
  2. Muting (mute)
  3. Sub Out - not on all models
  4. Permanent plus (Kl. 30)
  5. Antenna or switching output for external amplifier
  6. Lighting (cl. 58)
  7. Ignition switch positive (terminal 15)
  8. Mass (terminal 31)
Grundig
  1. SCV (GALA)
  2. Muting (mute)
  3. free
  4. Ignition switch positive (terminal 15)
  5. Antenna or switching output for external amplifier
  6. Lighting (cl. 58)
  7. Permanent plus (Kl. 30)
  8. Mass (terminal 31)
VW until 1993
  1. SCV (GALA)
  2. Permanent plus / battery (terminal 30)
  3. switched plus (terminal 15) or free
  4. S contact, switched plus when key is inserted (Kl.86s)
  5. Antenna or switching output for external amplifier
  6. Lighting (cl. 58)
  7. Permanent plus (Kl. 30)
  8. Mass (terminal 31)

Block B: loudspeaker connection

Brown, lock in the middle.

Uniform for all manufacturers.

ISO 10487 connector B.svg

1: back
right (+)		 3: front
right (+)		 5: front
left (+)		 7: back
left (+)
2: back
right (-)		 4: front
right (-)		 6: front
left (-)		 8: back
left (-)

Block C: extensions

Segmented in C1-C3 - sometimes also individually - in the colors yellow, green and blue

Many radios have the expansion block, which is divided into three segments.

  • C1 (yellow plug): The four preamplifier signals for operating an output stage are available here. A control line is also available to switch the output stage on and off.
  • C2 (green plug): Often used to connect a speakerphone or remote control. In hands-free mode, the conversation can also be played back via the car radio in addition to mute the radio.
  • C3 (blue connector): Commonly used for using a CD changer. USB devices (USB stick, SD card, external hard drives) can now also be used as CD changers using a special adapter. With some devices, the TMC signal is also made available for external navigation devices.

Web links

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