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1. Check polarity of the wires (make sure that the positive wire is connected to the positive, and negative to negative, USE A TEST LIGHT TO CHECK). Some Lexus vehicles may have to have the harness plugged upside down to work.
2. If polarity is correct, check the fuses. The DRL fuse should be in the engine bay, on the side of the fuse box.
they are the regular little fuses, i got mine from a car shop for free, when i installed my hid fogs and the fusebox for the lights should be under the hood..
It's a subjective definition, but we do offer brighter LED bulbs if you are unsatisfied with the output of the 68-SMD one. We have LED bulbs that have up to 120-SMD LED chips and are a bit brighter.
Personally, I run the 120-SMD Bulbs and they're great! LMK if you're interested in exchanging.