Had to replace my leds on a 17 KM24. They worked but only 2-3 leds in each section. Screws were also mostly rusted out. After drying out the cavity and scraping out some fungus that was growing I flex sealed the cavity. Replaced OEM lights with Partsam lights which looked to be sealed well. Used a thin bead of clear sealant around the top and sides (not bottom.) So far so good.
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