OP in order to get the best current legal output get a new set of LED headlight replacement units from KC or JW or even Quadratec, etc but don’t forget to aim the new LED headlights correctly. Your current headlight units may not be optimized for an aftermarket LED replacement bulb resulting in glare, poor output or blinding other drivers. 2148 posts · Joined 2010. #6 · Apr 13, 2011. Ok what I did was installed my auto headlight switch first. Then installed the auto relay in the fues pannel or it was the fues itself i dont remember. Then I set the switch to auto and turned on the wiper blades and the lights turned on. You may have to set on your dash computer set wipers on More choices available. Crown Automotive Headlight Assembly for 02-04 Jeep Grand Cherokee Laredo. From $190.95. More choices available. Quadratec Head Lamp Housing for 02-04 Jeep Grand Cherokee WJ Laredo/Sport Models. $99.99. Quadratec Headlamp Assembly for 99-02 Jeep Grand Cherokee WJ Laredo/Sport Models. This video will show you how to replace the headlight bulbs on a 1999-2004 Jeep Grand Cherokee.0:40 Mark in the video shows you what bolt you have to remove M. mtb418 Discussion starter. 2 posts · Joined 2011. #1 · Jul 8, 2011. I have a 1999 Jeep Grand Cherokee that randomly lost power to the tail lights. Brakes lights work fine but no tail lights. I've looked online to try and find a fuse that runs the tail lights both in the cabin and under the hood and have found nothing. ECCPP Headlight Assembly Pair For Jeep Grand Cherokee 1999-2004 Chrome Housing Amber Reflector Clear Lens Driver and Passenger Side Replacement Headlights $90.49 $ 90 . 49 List: $127.32 $127.32 LED 3rd Third Brake Light for Grand Cherokee 99-04, KEWISAUTO Smoked Black Center High Mount Stop Light for Jeep Grand Cherokee 1999-2004 Accessories (1PCS) $27.90 $ 27 . 90 Get it as soon as Thursday, May 25 WJ Grand Cherokee Forum 99-04 JEEP GRAND CHEROKEE HALO PROJECTOR HEADLIGHTS BLK: eBay Motors (item 190424505533 end time Aug-02-10 10:34:11 PDT) hope it helps. wZsLi3U.