how to troubleshoot Ford Explorer Fifth Generation (2011-2019) electrical issues

Solution

1. Preparation

• Tools Required: OBD-II scanner, multimeter, socket set, wire brush, electrical cleaner, safety goggles, gloves.
• Disconnect the battery by removing the negative terminal to ensure safety while working on electrical components.

2. Battery and Connections Inspection

• Check Battery Voltage:
  • Reconnect the multimeter to the battery terminals.
  • Measure and confirm voltage is above 12.6 volts.
• Inspect Battery Cables:
  • Disconnect cables and use a wire brush to clean corrosion from terminals.
  • Reconnect cables and secure tightly.

3. Fuse Inspection and Replacement

• Locate Fuse Box:
  • Refer to the owner's manual for the fuse box location.
• Inspect and Replace Fuses:
  • Remove fuses and visually check for breaks in the filament.
  • Replace any blown fuses with the same amperage rating.

4. Ground and Wiring Inspection

• Check Ground Connections:
  • Locate ground points (typically near the battery and engine).
  • Clean connections with electrical cleaner and ensure secure attachment.
• Inspect Wiring Harnesses:
  • Look for damaged insulation, exposed wires, or loose connections.
  • Repair any damaged wiring with electrical tape or replace as necessary.

5. Error Code Analysis

• Scan for Trouble Codes:
  • Connect the OBD-II scanner and retrieve any stored trouble codes.
  • Research the codes to identify specific issues and address them accordingly.