Interior Lighting Fusehttp://www.gm-trucks.com/forums/index.php?/topic/158559-Interior-Lighting-Fuse
Interior Lighting Fuse
Follow that ^^^¡ thread for the step and interior lights. You'll need some extra wire to run the step and footwell lights. The ones on the rear bumper are long enough, tap those into the led red wire into green wire of each one of the reverse tail light and a self tapping screw for ground.
Interior + rear bumper light
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Universal 6pcs High Power White 3w LED Eagle Eye Bumper DRL Fog Lig... http://www.amazon.com/dp/B00FEZEVQK/ref=cm_sw_r_udp_awd_9Gnetb162K2WQ
Step light
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4 Pcs 30cm Car Truck Flexible Waterproof LED Light Strip White (White) by Generic http://www.amazon.com/dp/B00EXGRRJE/ref=cm_sw_r_udp_awd_sInetb15EE7MC
Reverse tail light led
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iJDMTOY Extremely Bright 7.5W High Power 912 921 LED Reverse Light Bulbs, Xenon White by iJDMTOY http://www.amazon.com/dp/B008G4Y076/ref=cm_sw_r_udp_awd_zJnetb03XASG6
Wicked Galaxy Note 3