Led fog lights not working

[Shtub88]

I have a 2019 JLUR. Replaced the factory steel bumper with aftermarket bumper. Factory bumper had led fog lights. They did not fit in the new bumper so bought different ones. Used oem wiring harness. The new led lights do not turn on. Anyone have any suggestions on what to check? Thanks

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[jludave]

Anyone have any suggestions on what to check?

You may need a Tazer or the JSCAN app, OBD adapter and security cable to disable LED fog lights. Aftermarket fog lights, even if LED, are typically designed to replace halogen fog lights and may not function if the vehicle is set for the OEM LED fog lights.

 

[OldBlue]

What JLUDave said. Also make sure you have the polarity correct. Easy to wire them backwards, and won't work if it's reversed.

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