Vehicle Questions and Answers
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There are a few common reasons why you might see the Check Gauges light come on in your Chevrolet S-10. One possibility is that there is an issue with the charging system, such as the alternator providing either too much or too little voltage. Another reason could be a low oil pressure situation, possibly related to the oil pressure sending unit. In your Chevy, the CG light serves as a general indicator rather than just an oil light. Additionally, the light may come on if there are any loose wires; check under the glove box for a brown and black wire pressing against the firewall and make sure they are securely connected to their connectors to prevent the light from illuminating.
The warning light on a Chevy S10 indicating a "check gauge" typically signals a problem with the alternator overcharging or undercharging the battery.