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Thread: Disconnect battery and Instrument Cluster not working

  1. #1
    Junior Member
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    May 2021
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    Default Disconnect battery and now Instrument Cluster not working


    Have had a 2009 G8 GT for about 3 years. Disconnected battery about a year or two ago and when reconnected the instrument cluster (speed, tach, digital display) was dead and not displaying anything. Check engine and anti-theft light would still come on, but not much else. Everything else worked and car ran (radio, remote locks, lights, turn signals, drives, etc.). I found simple issue and fixed it then.

    Fast forward to today, and same problem after disconnecting battery, but can't remember what I did to fix last time. F5 fuse in trunk is all good and everything else in/with the car works.

    Any ideas?

    Last edited by briang8gt; 05-10-2021 at 12:25 AM.

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