Technical ECU code reader connector

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Technical ECU code reader connector

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Sep 23, 2013
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Wanted to check for any fault codes with fuelling system, ECU has what looks very like a 3-pin connector, plus at some point someone's added an LED.
I thought the 3-pin would be the blink-code reader connector (and possibly the LED was added for easier reading) but the garage I took it to said the 3-pin was for the alarm.

Where can I find the blink-code reader 3-pin then?

(1.0 ie, 1992)
 
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