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618 Posts
I just had something similar to this in my 03 Trailblazer. Rolling down the highway at 65 with the cruise control set, press the window switch and no more cruise control. Repeated this 3x to confirm. Then all of the gauges froze at random intervals. It got fun twice when it just shut down, but was able to restart with no problem. Trouble turned out to be that I had a battery cell going bad. Replaced the battery, no more problems.
