- Inspect the wiring harness for any damage or exposed wires that may be causing a short circuit.
- Look for any signs of fraying, cuts, or melted insulation.
- Wiggle the wires gently to check for any loose connections or breaks.
2. Faulty tail light or side marker:
- Check the tail light and side marker bulbs to make sure they are not blown.
- Replace any faulty bulbs with the correct wattage.
- Examine the tail light assembly and side marker for any damage or corrosion that could cause a short circuit.
3. Bad Bulb Socket:
- Check to make sure that the bulb sockets are clean and free of dirt and debris.
- Make sure that the contacts are still secure and not corroded.
- Replace any faulty bulb sockets.
4. Faulty wiring connector:
- Inspect the connector that connects the wiring harness to the tail light and side marker assembly.
- Ensure that the connector is clean, free of corrosion, and securely fastened.
5. Ground issue:
- Check the ground connection for the tail light and side marker assembly to ensure it is clean, tight, and free from corrosion. A poor ground can often the fuse to blow.
6. Defective fuse:
- Check to see if the fuse is blown.
- If it is, replace it with a new fuse. Make sure you use the correct amperage fuse for the tail light and side marker circuit.
7. Overloading the circuit:
- Check to see if there are any other accessories or modifications connected to the same circuit as the tail light and side marker.
- Remove any unauthorized devices to prevent overloading the circuit.
If none of these solutions resolves the issue, it's best to seek the assistance of a qualified auto electrician or mechanic who can further troubleshoot and repair the problem.
