my Ford Mustang S650 (2024-Present) won't start and just clicks, what's wrong

Solution

1. Preparation

• Gather tools and materials:
  • Socket set
  • Multimeter
  • Jumper cables
  • Safety gloves
  • Protective eyewear
• Ensure that the vehicle is in park (automatic) or neutral (manual) and the parking brake is engaged.

2. Battery Inspection

• Sub-steps:
  1. Disconnect the negative terminal of the battery to prevent short circuits.
  2. Clean any corrosion from the battery terminals using a wire brush.
  3. Reconnect the battery terminals securely.
• Tools Required: Wire brush, socket set

3. Battery Testing

• Sub-steps:
  1. Use a multimeter to measure the battery voltage.
  2. If the voltage is below 12.4 volts, charge the battery or replace it if it fails to hold a charge.
• Tools Required: Multimeter

4. Starter Relay and Fuse Check

• Sub-steps:
  1. Locate the fuse box and check the starter relay and fuse for any blown components.
  2. Replace any blown fuses or faulty relays as needed.
• Tools Required: Fuse puller or pliers

5. Starter Motor Inspection

• Sub-steps:
  1. Locate the starter motor and inspect the wiring connections for damage or looseness.
  2. Tighten or replace any damaged connections.
• Tools Required: Socket set, wrench set

6. Starter Motor Testing

• Sub-steps:
  1. Carefully apply direct power to the starter motor from the battery using jumper cables.
  2. If the starter motor engages and the engine cranks, replace the starter motor.
• Safety Warnings: Ensure the vehicle is in neutral or park; avoid contact with moving parts during testing.