Question about 2007 Buick LaCrosse CXL Sedan

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The DIC is very dim and hard to read & then it gets bright on my 2007 LaCrosse CXL

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Is it just the dic. or is the cluster and radio also dim. If just the dic possible feed wire from bcm. dic will have to be removed and voltaged measured. IF ok then dic is defective. If cluster and radio are dim, possible alternator spiking, Should be looked at by dealer, have dealer run vin. possible service builten on this problem. Kirk fe6fc

Posted on Apr 03, 2011

  • SBoutlaw Apr 05, 2011

    DIFFICULT TO READ DRIVER INFORMATION CENTER (DIC)

    I took my instrument cluster out of the car, took the white back off and then plugged it back in (but did not reinstall cluster). I touched all of the connections and noticed that the DIC came on. I narrowed it down to a few just below the DIC connections. I removed the instrument cluster and took it inside and soldered the bad connection. Reinstalled cluster and it works fine.
    You really could not tell that the one connection had a 'cold' solder.

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Suggest that you check your battery terminal connections for corrosion and loose terminal connections. thank you for choosing fixya.com

Posted on Apr 03, 2011

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See image below circled in red.

netvan_198.png

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