Editing Radio Installation (section)

===ISO Connector===
[[File:DSC00746.JPG|thumb|left|Standard ISO Connector, note not all terminals connected.]]
The S1 elise has a standard ISO radio connector. It provides a single pair of speakers (rears), a fixed 12V supply (critical to retain clock settings etc), ignition switched 12V (so it turns on when you turn the key), and 12V feed when lights are switched on (for auto-dimming the display). There is plenty of length on the cable to bring the connector right out of the dash but it might need untwisting form the main loom. Oddly the switched live is switched into the main ignition position on the key and not the accessory position. 
The wiring is conventional (i.e. not VW reversed) but check that the switched and backup powers are in the right place as some connectors allow these to be reversed.
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