# Brake lights only work when headlights are in the on position all 3 brakelights work but when they are off I get nothing and they dont get brighter when I press the brake

**URL:** <https://community.cartalk.com/t/brake-lights-only-work-when-headlights-are-in-the-on-position-all-3-brakelights-work-but-when-they-are-off-i-get-nothing-and-they-dont-get-brighter-when-i-press-the-brake/110679>\
**Category:** Maintenance/Repairs\
**Tags:** qx4, infiniti\
**Created:** [December 27, 2017, 2:45pm UTC](https://community.cartalk.com/t/brake-lights-only-work-when-headlights-are-in-the-on-position-all-3-brakelights-work-but-when-they-are-off-i-get-nothing-and-they-dont-get-brighter-when-i-press-the-brake/110679 "2017-12-27T14:45:52Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![James\_Coley](https://avatars.discourse-cdn.com/v4/letter/j/65b543/32.png) [@James\_Coley](https://community.cartalk.com/u/James_Coley)\
**Post date:** [December 27, 2017, 2:45pm UTC](https://community.cartalk.com/t/brake-lights-only-work-when-headlights-are-in-the-on-position-all-3-brakelights-work-but-when-they-are-off-i-get-nothing-and-they-dont-get-brighter-when-i-press-the-brake/110679/1 "2017-12-27T14:45:52Z")

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Someone help me got big brake light problems

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**Author:** ![CROSSBOLT](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/crossbolt/32/9780_2.png) [@CROSSBOLT](https://community.cartalk.com/u/CROSSBOLT)\
**Post date:** [December 27, 2017, 3:36pm UTC](https://community.cartalk.com/t/brake-lights-only-work-when-headlights-are-in-the-on-position-all-3-brakelights-work-but-when-they-are-off-i-get-nothing-and-they-dont-get-brighter-when-i-press-the-brake/110679/2 "2017-12-27T15:36:40Z")

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No, you have a missing ground problem.

Karl

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**Author:** ![oldtimer-11](https://avatars.discourse-cdn.com/v4/letter/o/e79b87/32.png) [@oldtimer-11](https://community.cartalk.com/u/oldtimer-11)\
**Post date:** [December 27, 2017, 7:10pm UTC](https://community.cartalk.com/t/brake-lights-only-work-when-headlights-are-in-the-on-position-all-3-brakelights-work-but-when-they-are-off-i-get-nothing-and-they-dont-get-brighter-when-i-press-the-brake/110679/3 "2017-12-27T19:10:56Z")

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you might have an incorrect bulb in one of the sockets.