Cruise Control Can Be Set, But The Cruise Main Indicator Does Not Come On

Cruise control can be set, but the cruise main indicator does not come on

Check for PGM-FI DTCs Initial Inspection and Diagnostic Overview.

Do the gauge control module self-diagnostic function procedure Initial Inspection and Diagnostic Overview.

Do the cruise control input test Component Tests and General Diagnostics.
Test the cruise control main switch signal input.

Also check for

Faulty gauge control module