Will not start 1994 gmc suburban 350 engine?

If your 1994 GMC Suburban with a 350 engine won't start, first check the battery for a charge and ensure the connections are clean and tight. Next, inspect the fuel system for proper fuel delivery, including the fuel pump and filter. Additionally, examine the ignition system, including spark plugs and wires, to ensure they are functioning. If these components are in good condition, consider checking for any error codes or mechanical issues.