2007 Nissan Sentra tail lights don't work

23,000 MILES • 4 CYL • 2WD • AUTOMATIC
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BABYGIRL1
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  • 2 POSTS
i had a friend install a new CD player in my car and now i dont have any tail lights. All of the rest work IE brake & hazard lights & turn signals. What could be the problem and how do i fix it? thank you.
May 31, 2008 at 8:46 PM
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SERVICE WRITER
  • ✓Experienced Mechanic
  • 9,123 POSTS
Your friend needs to recheck what they did. First thing to do is check the fuse. If good, then see where the wires were tied in when the unit was replaced and check for anything miswired or disconnected.

IF nothing obvious then need to start checking power and ground on that circuit. IF you need a diagram, I may be able to get you one.
May 31, 2008 at 11:51 PM
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BABYGIRL1
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  • 2 POSTS
so we checked the fuses under the hood and it was blown so we put a new one in and it blew too, any suggestions?
Jun 1, 2008 at 5:31 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Inspect and test the tail lamp relay could be shorting out and look for a short to ground on the red and blue wire this is the tail lamp circuit-


https://images.2carpros.com/forum/automotive_pictures/12900_t1_5.jpg


https://images.2carpros.com/forum/automotive_pictures/12900_t2_4.jpg


https://images.2carpros.com/forum/automotive_pictures/12900_t3_3.jpg


https://images.2carpros.com/forum/automotive_pictures/12900_t4_3.jpg


https://images.2carpros.com/forum/automotive_pictures/12900_t5_2.jpg

Jun 1, 2008 at 8:09 AM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
Hi babygirl1,

At the radio wire socket there is a wire for illuminating and most probably it is grounded due to improper insulation while installing the CD player.
Jun 2, 2008 at 5:07 AM
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