2013 hyundai sonata no power to rear combination lights

Asked by Joe Nov 11, 2023 at 05:26 PM about the 2013 Hyundai Sonata

Question type: Maintenance & Repair

After changing both rear combination lights to LED's one at a time, the left lamp worked fine. After installing the right lamp and testing it, neither lamp lit. Testing with a meter showed no power to either lamp. I can't find decent full schematics (full or broken down) to trace the problem. Any suggestions?

THIS EXTREMELY EMBARRASSING TO AN OLD MASTER TECH!!

1 Answer

310,975

As LED's have low resistance the BCM is not recognizing the circuit. I ran into this a few times and had to put in resistor blocks to make them work. Make sure you attach to metal to use a heat sink as they do get hot.

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