why does my Ram 1500 DT (2019-Present) dashboard light flicker

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Ensure the vehicle is parked on a flat surface and the ignition is off.
• Disconnect the battery to prevent electrical shock.

2. Battery Inspection

• Tools Required: Multimeter, socket set
• Sub-steps:
  1. Remove the battery terminals, starting with the negative terminal.
  2. Use a multimeter to check the voltage; it should read around 12.6 volts when fully charged.
  3. Clean the battery terminals and connectors if corrosion is present.
  4. Reconnect the terminals securely.

3. Alternator Testing

• Tools Required: Multimeter
• Sub-steps:
  1. Start the engine and let it idle.
  2. Measure the output voltage at the alternator; it should be between 13.5 to 14.5 volts.
  3. If the voltage is below this range, consider replacing the alternator.

4. Wiring and Connector Inspection

• Tools Required: Visual inspection tools
• Sub-steps:
  1. Inspect the wiring harness connected to the dashboard for any signs of wear or damage.
  2. Check for loose connections at the instrument cluster and ensure they are secure.
  3. Repair or replace damaged wiring or connectors as necessary.

5. Instrument Cluster Power Check

• Tools Required: Multimeter, socket set
• Sub-steps:
  1. Remove the dashboard panel to access the instrument cluster.
  2. Use a multimeter to check for power and ground at the cluster connector.
  3. If there is no power, trace the wiring back to the fuse box and repair any broken connections.

6. Fuse Inspection

• Tools Required: Fuse puller or pliers
• Sub-steps:
  1. Locate the fuse box and identify the fuses related to the dashboard and electrical system.
  2. Pull each fuse and inspect for any signs of damage or blown fuses.
  3. Replace any faulty fuses with the appropriate amperage rating.