Running lights rear on 2006 Grand Jeep Cherokee Laredo do not work even with replacement. Brake, Signal and backup work.
check number 7 micro relay in the Under hood Fuses (Integrated Power Module)
Jeep Grand Cherokee (2005 - 2006) – fuse box diagram - Auto Genius
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Also check the ground and power at the bulb socket.
Are you sure you don’t just have your daytime running lights on? They don’t turn on the tail lights.
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