8. Ignition and electrical systems

What this is made of

• 8(a). Diagram and explain one electrical system
• 8(b). The engine's firing order
• 8(c). The purpose of the spark gap
• 8(d). Safely connect jumper cables to your car battery
• 8(e). Range and recharging of electrified vehicles
• 8(f). Systems that depend on the electrical system

Where this step comes from

1. Automotive Maintenance Merit Badge Requirements (Merit Badge Hub, last modified 2025-12-31), Requirement 8