# Turn signal and hazard lights on nissan sentra not working

**URL:** <https://community.cartalk.com/t/turn-signal-and-hazard-lights-on-nissan-sentra-not-working/62721>\
**Category:** Maintenance/Repairs\
**Tags:** nissan, sentra\
**Created:** [March 18, 2011, 12:30am UTC](https://community.cartalk.com/t/turn-signal-and-hazard-lights-on-nissan-sentra-not-working/62721 "2011-03-18T00:30:02Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![pulihora](https://avatars.discourse-cdn.com/v4/letter/p/57b2e6/32.png) [@pulihora](https://community.cartalk.com/u/pulihora)\
**Post date:** [March 18, 2011, 12:30am UTC](https://community.cartalk.com/t/turn-signal-and-hazard-lights-on-nissan-sentra-not-working/62721/1 "2011-03-18T00:30:02Z")

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The turn signals and hazard lights on my nissan sentra are working some times and all of a sudden they stop working. The problem is occuring almost every day. Do you know what could be the problem?.

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**Author:** ![Joseph\_E\_Meehan](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/joseph_e_meehan/32/21_2.png) [@Joseph\_E\_Meehan](https://community.cartalk.com/u/Joseph_E_Meehan)\
**Post date:** [March 18, 2011, 1:26am UTC](https://community.cartalk.com/t/turn-signal-and-hazard-lights-on-nissan-sentra-not-working/62721/2 "2011-03-18T01:26:11Z")

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What year Nissan? I would be looking for a relay for a start. What happens to get them working again? (left alone all night?

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**Author:** ![SteveF](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/stevef/32/2_2.png) [@SteveF](https://community.cartalk.com/u/SteveF)\
**Post date:** [March 18, 2011, 2:15am UTC](https://community.cartalk.com/t/turn-signal-and-hazard-lights-on-nissan-sentra-not-working/62721/3 "2011-03-18T02:15:33Z")

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On most cars both of these functions are controlled by a single gadget called the flasher unit. It seems as though yours has quit, a common problem on any car. Locate the unit and you can replace it yourself. It simply plugs in. And, it’s cheap.

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**Author:** ![pulihora](https://avatars.discourse-cdn.com/v4/letter/p/57b2e6/32.png) [@pulihora](https://community.cartalk.com/u/pulihora)\
**Post date:** [March 18, 2011, 10:00am UTC](https://community.cartalk.com/t/turn-signal-and-hazard-lights-on-nissan-sentra-not-working/62721/4 "2011-03-18T10:00:33Z")

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wIt’s a 1997 nissan sentra. When I start in the morning it’s working. But after a while it stops working. Some times while running if I leave the turn signal on after a while it starts working. So there is no definite pattern to it. I thought it’s only the turn signals. But yesterday when the turn signals are not working I tried the Hazards and it’s also not working.

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**Author:** ![pulihora](https://avatars.discourse-cdn.com/v4/letter/p/57b2e6/32.png) [@pulihora](https://community.cartalk.com/u/pulihora)\
**Post date:** [March 31, 2011, 11:24pm UTC](https://community.cartalk.com/t/turn-signal-and-hazard-lights-on-nissan-sentra-not-working/62721/5 "2011-03-31T23:24:41Z")

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Turned out it’s the flasher unit. I noticed that when I pulled the wires attached to the flasher it started working. But it only worked for a few days like that. So I replaced it and it’s working fine now. Thanks for all the suggestions.