![]() ![]() NOTE: NOT Compatible with 2000 Chevy Tahoe Z71 & GMC Yukon Denali Models Superior Brightness to Maximize Rear End Illuminationĭirect Replacement of your factory incandescent bulbsīuilt-In Resistors for Error-Free Performance Specs:ġ999-2013 Chevrolet Silverado 1500/GMC Sierra 1500ġ999-2004 Chevrolet Silverado 2500/GMC Sierra 2500Ģ001-2007 GMC Sierra 3500/Chevrolet Silverado 3500Ģ007-2013 Chevrolet Silverado 3500 HD/Avalanche/ GMC Sierra 3500 HDġ999-2013 Chevrolet Silverado 1500 2500 HD/GMC Sierra 1500 2500 HDĢ000-2006 Chevrolet Suburban 1500 2500/Tahoe/GMC Yukon Improved Light Output with Greater Intensity Remember, none of the tail lights will work if it's bad, so if they work, that isn't the problem.Enjoy Super Bright White Lighting that enhances your look and safety while driving at night. I'm adding it in case you want to check it. Here is a link that explains how to test a relay. ![]() Also, if you find it and have a chance, let me know what you found. Let me know if you have questions or need help. If there is power, then replace the sockets. If there isn't, trace the power wire back to where it connects with the other tail lights. If everything works but the license plate lights, first make sure there isn't power to the lock sockets. If they don't, there is a parking light relay in the fuse box to check. If the parking lights work, it isn't a fuse issue. If there isn't, we need to trace back to find where power is lost, which could be one of the main fuses. When you check the fuse, if it is good, make sure there is power to the fuse as well. Now, here are a few links you may find helpful. I started at the license lights and then have arrows pointing it back to the power source / fuse. The first three are from the wiring schematic showing how power is distributed. If the left rear parking lights are working, they should too. Please let us know if you need more information. I'm attaching wiring diagrams for the components that will need direct drying with with heat gun or hair dryer. This energizes the park lamp relay coil causing the relay switch contacts to close allowing B+ to flow through the LT PRK, RT PRK, and TRLR PRK fuses, to all of the park, tail, license, and marker lamps. The BCM responds by applying ground to the park lamp relay control circuit. When the headlamp switch is placed in either the head or park position, ground is applied to the park lamp signal circuit to the body control module (BCM). The turn signal/multi-function switch is supplied with ground at G201 at all times. ![]() There are several circuits and if they get wet can short and cause electrical issues.ī+ is applied at all times to both the coil and switch sides of the park lamp relay located in the under hood fuse block. Jordan, depending on how deep of water was the truck was exposed to.
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