Left front/back turn signals flashing rapidly after one or two seconds after headlight assembly change

Tiny
RYAN HALL
  • MEMBER
  • 2014 CHEVROLET MALIBU
  • 2.4L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 63,700 MILES
My girlfriend recently hit a dear and cracked her driver's side headlight.
We got a new headlight assembly (admittedly a cheap one) and had it installed.
After installation, everything looked good and bulbs are working, but we noticed that after the turn signal is on for 1-2 seconds, it starts flashing quickly. It occurs on the front and back driver's side turn signals.
The passenger side is fine.

Any suggestions?
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Wednesday, October 21st, 2020 AT 6:16 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi,

When this happens, one of the bulbs is burned out or not connected. This is designed into the vehicle to allow the driver to know there is a problem.

Turn the signals on and check around the vehicle to see if one isn't flashing or working. Even though they flash fast, they should still be working on the exterior.

I attached one section from the wiring schematic for you to look at and see. Note there are three lights on each side of the front that ties into the signals. If any one of them is bad, it will cause this to happen. Also, I know some of these had signal lights on the mirrors, so check that as well.

Let me know what you find. If you have additional questions, let me know.

Take care,
Joe
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Wednesday, October 21st, 2020 AT 6:36 PM
Tiny
RYAN HALL
  • MEMBER
Thanks for the quick reply. All bulbs look good. Front and back. Everything looks normal until the lights start blinking quickly. Here are a couple video's:
https://photos.app.goo.gl/KiwV9MqWJiRyyjf87
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Wednesday, October 21st, 2020 AT 6:50 PM
Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi,

Something isn't making a connection. I see the working, but there has to be an open at some point. Open the hood and inspect the connections to the lights. Also, make sure the white wire (ground in pic) is good.

With the lights on, move the wiring slowly around to see if anything changes.

Let me know
Joe
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Wednesday, October 21st, 2020 AT 7:32 PM

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