left turn signal is blinking really fast

Asked by Feb 23, 2016 at 12:21 PM about the 2008 Nissan Sentra S

Question type: Maintenance & Repair

changed out the bulbs and had the wiring check to the left turn signal. mech said possibility the ground wire, looking for it

4 Answers

74,755

If a bulb is not working on a side, it won't light up, causing the fast flashing you are talking about. This tells you something is wrong on that side. Sound like the mechanic has you covered.

so, my question is, where is the grounding wire......

74,755

Its probably in the wiring harness, black wire. Where it gets grounded out I wouldn't know. It may be just a bad socket for the bulb. There are plugins back there to check for corrosion also.

Find the ground wire using a test light find a 12v + say w lights on and test for good ground if ground checks out socket is crap, if ground is absent jump it by splicing into it and ground it to the body

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