after changing spark plugs, reset check engine light then gauges quit working, why would this happen?

2002 CHEVROLET CAVALIER
28,000 MILES
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JJWSK5
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checked fuses,switched fuses, looked for loose wires, disconnected negative and positive battery terminals
Jun 15, 2012 at 5:45 PM
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DOCFIXIT
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Check engine light on before plugs? how was light reset?
Jun 15, 2012 at 8:13 PM
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JJWSK5
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yes light was on before doing spark plugs, check engine light was reset by disconnecting negative battery terminal. car runs great now just the gauges arent working.
Jun 15, 2012 at 8:17 PM
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DOCFIXIT
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Take another look at cluster and BCM fuse underdash pull out and/or use test light
Jun 15, 2012 at 8:29 PM
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