Diagram of firing order on Chevy blazer 4.3l 2004?

The firing order for the 2004 Chevy Blazer with a 4.3L V6 engine is 1-6-5-4-3-2. The cylinders are arranged in a V configuration, with cylinder 1 located at the front of the engine on the passenger side. The firing order follows a specific sequence to ensure smooth operation and balance. It's important to follow this order when replacing spark plugs or performing ignition system repairs.