What i use was some Freeze Off. And sprayed it in the latches like said above. Because my light would not go off even when i shut the door. I had to remove the fuse to make it go off. Once i did that i never had that problem again!

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97"Ford Ranger 2.3L

Mods: Headlights 8k HIDs, Green Fogs HIDs, FlowMaster 40 Series, Tails lights, Shaved Tail gate,Roll pan, 5/6 lowered, Ibeams, 2in coils, Flip kit, Honda Metallic Paint

DRIVE IT LIKE YOU STOLE IT