# Tail lights

**URL:** <https://community.cartalk.com/t/tail-lights/36037>\
**Category:** Maintenance/Repairs\
**Tags:** mercury, lights, cougar\
**Created:** [September 3, 2009, 2:15am UTC](https://community.cartalk.com/t/tail-lights/36037 "2009-09-03T02:15:53Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![bbsbzb](https://avatars.discourse-cdn.com/v4/letter/b/439d5e/32.png) [@bbsbzb](https://community.cartalk.com/u/bbsbzb)\
**Post date:** [September 3, 2009, 2:15am UTC](https://community.cartalk.com/t/tail-lights/36037/1 "2009-09-03T02:15:53Z")

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I have checked all fuses and changed all light bulbs, however, I cannot get my taillights on. I also thought maybe the headlight switch and found a bulb that is burnt it is a 190 cannot locate anywhere. Any Ideas!

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**Author:** ![mcparadise](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mcparadise/32/32_2.png) [@mcparadise](https://community.cartalk.com/u/mcparadise)\
**Post date:** [September 3, 2009, 2:26am UTC](https://community.cartalk.com/t/tail-lights/36037/2 "2009-09-03T02:26:53Z")

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You need a test light to see where you have 12V and where you don’t.

Have you checked the ground connection for the tail light circuit?

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**Author:** ![bbsbzb](https://avatars.discourse-cdn.com/v4/letter/b/439d5e/32.png) [@bbsbzb](https://community.cartalk.com/u/bbsbzb)\
**Post date:** [September 3, 2009, 2:38am UTC](https://community.cartalk.com/t/tail-lights/36037/3 "2009-09-03T02:38:30Z")

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no I have not, I will purchase a meter tomorrow and give it a shot. Thanks