How to Fix Car Tail Lights: 7 Steps (with Pictures) - wikiHow Click to view on Bing1:18May 06, 2008A blown fuse usually causes both lights to go out. On newer cars, the tail lamps can be fused separately and/or each bulb or shared circuit can be fused. A fuse can be blown due to other problems, so you'll need to check more than just the fuse70%(13)Views: 481K1. Check the fuse. A blown fuse usually causes both lights to go out. On newer cars, the tail lamps can be fused separately and/or each bulb or sha..2. Look at the tail lamp wiring. These are the wires that lead to the tail lights, located inside the lid of the trunk. Open the trunk and take a l..3. Check the taillight bulbs. If the fuse and wiring look right, the bulbs themselves might be the problem. To check them, unscrew the taillight le..4. Check the taillight lenses. Whether or not you were able to fix the problem of your tail lights working correctly by examining the fuse, wiring.. Where is the tail light fuse - Answers The tail light fuse can be found in the fuse box. The fuse box can be located in the engine compartment. The location of the tail light fuse is listed on the inside cover of the fuse box. The tail..