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how to fix Ram 1500 DT (2019-Present) dashboard lights not working - Ram 1500
Home/Cars/Ram/1500/DT (2019-Present)/how to fix Ram 1500 DT (2019-Present) dashboard lights not working

how to fix Ram 1500 DT (2019-Present) dashboard lights not working

Ram 1500 DT (2019-Present)

Error Codes
1-2 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
509 words

Problem Statement

Learn how to diagnose and fix dashboard lights not working in Ram 1500 DT (2019-Present). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component
Electrical
Estimated Time
1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect the battery before working on electrical systems to avoid short circuits.
  • •Allow the vehicle to cool down before performing any repairs to avoid burns from hot components.

Symptoms

  • •Dashboard lights completely off
  • •Instrument cluster not illuminated
  • •Warning lights not displaying
  • •Dim or flickering lights intermittently
  • •Malfunction indicator light (MIL) may be illuminated

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

  • ✓Test the affected component to ensure it functions correctly
  • ✓Check for any error codes or warning lights
  • ✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

  • •Follow the manufacturer's recommended maintenance schedule
  • •Address warning signs early before they develop into major issues
  • •Use quality parts and fluids recommended for your vehicle
  • •Keep detailed records of all repairs and maintenance

Tools & Equipment Required

  • •OBD-II scanner
  • •Multimeter
  • •Socket set
  • •Screwdrivers (flathead and Phillips)

Parts Required

  • •Dashboard dimmer switch (if found faulty)
  • •Replacement fuses (as needed)

Additional Information

Affected Component
Electrical
Estimated Time
1-2 hours
Difficulty
medium
Severity
medium
Tools Required
4 items
Parts Required
2 items

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Solution
1. Preparation
  • Gather necessary tools and parts.
  • Disconnect the vehicle's battery to ensure safety while working on electrical components.
2. Inspect Dashboard Dimmer Switch
  • Locate the dashboard dimmer switch, typically found on the headlight switch.
  • Test the switch operation by adjusting it and checking for any changes in lighting.
  • If faulty, replace the dimmer switch using the following steps:
    • Disconnect the wiring harness from the dimmer switch.
    • Remove the switch from the dashboard panel.
    • Install the new switch and reconnect the wiring harness.
3. Check and Replace Fuses
  • Locate the fuse box, usually found under the dashboard or in the engine compartment.
  • Identify the fuse associated with the dashboard lights (refer to the owner's manual).
  • Remove the fuse and inspect it for continuity using a multimeter.
  • If blown, replace it with the same amperage fuse (e.g., 10A or 15A depending on specification).
4. Test Wiring and Connectors
  • Visually inspect wiring harnesses for any signs of wear, breaks, or corrosion.
  • Use a multimeter to check for continuity in the wiring from the fuse box to the dashboard lights.
  • Repair or replace damaged wiring as necessary.
5. Reconnect Battery and Test
  • Reconnect the vehicle's battery.
  • Turn on the ignition and check the dashboard lights for functionality.
  • If the issue persists, consider professional diagnosis for more complex electrical issues.