Why would check engine light dim on 1993 acura legend?

The check engine light on a 1993 Acura Legend may dim due to a weak electrical connection, a failing bulb, or a fluctuation in the vehicle’s electrical system, such as a weak battery or alternator issue. It may also indicate that the engine control module is not receiving consistent signals. Any irregularities in the vehicle's performance or diagnostics should be addressed promptly to avoid potential engine problems. Consider having the vehicle scanned for trouble codes to identify the underlying issue.