First, you must remove the outer shell (colored to match the interior of your truck). There are five tension clips that hold the shell in place.see fig:--
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Once the front two tension clips pop loose, you must release two "L" shaped tension clips that lock into the storage compartment. You can BARELY see the tips of the clips when looking inside the compartment.See fig:--
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Once these two are released, there is one final tension clip on the rear that comes off fairly easily.
Next, you will see the black inner shell. See fig:--
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Right click on the image and select option "open image in new web" if the image is not seen full or its very small to see.-----------
Right click on the image and select option "open image in new web" if the image is not seen full or its very small to see.-----------
Once you have the unit out, remove the circuit board from the inner shell by removing the three torx screws (I believe they are 8mm but I can't recall).
Once the circuit board is removed, locate the 7 chips,see fig :--
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Now test the display by plugging , See fig:--
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Check out my gallery for additional photos. If you find the chips are not the problem and the board is actually dead, check out ebay or similar locations to find a better deal than the $500 the dealer wants. I've never had luck at scrap yards, but you might try those also.