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Thread: check engine light wire connection at gauge cluster

  1. #1
    Senior Member
    Join Date
    Mar 2011
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    Falmouth, MA
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    Question check engine light wire connection at gauge cluster

    I have a 2004 WRX in my 818 and the check engine light does not work even though the computer is throwing codes which should trigger the light. Could be the bulb is bad or a wire/connector. Anyone have the wire color in the connector which runs this bulb or even better which pin in the connector the wire is located?

  2. #2
    Senior Member
    Join Date
    Apr 2020
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    217
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    That wire is on pin A6 on the green 14 pin connector I12. The wire is RedWhite. On the ECM, it's on E15, a 31 pin connector, again RW. Here's a picture.

    Malfunction light.jpg

    Hope this helps,
    RPG

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