200 Quattro Wagon L5-2226cc 2.22L SOHC Turbo (MC) (1989)
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insert wire and connector (from ignition switch) into open half of green connector on adaptor harness
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insert wire and connector (larger terminal, shorter lead) from adaptor harness Into open position on ignition/starter switch connector (terminal 86 s)
and close secondary lock
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reconnect green connector on adaptor harness and slide foam tube over connector housing
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reconnect ignition/starter switch connector
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position adaptor harness and foam-insulated connector underneath instrument panel
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using a tie-wrap, secure foam-insulated connector to an existing wiring harness (trim excess tie-wrap)
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remove radio
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route other wire of adaptor harness (smaller terminal, longer lead) under instrument panel and through center console area to back of radio
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using a tie-wrap. secure lead to existing center console wiring harness
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open lock on radio connector III (black) and insert adaptor harness wire and connector into position 4 of radio connector III; close lock
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reconnect radio connectors and Install radio -
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install driver's side lower Instrument panel trim
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reconnect battery ground strap
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activate radio using security code
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check radio anti-theft LED function
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anti-theft LED should switch off when ignition is switched on (radio off)