Hazard lights won't work unless the turn signal (left or right) is switched on at the same time


#1

I have a chevrolet optra 2007 and the hazard lights won’t work unless the turn signal (left or right) is switched on at the same time. Turn signals work perfectly fine.


#2

When things start to go wonky with the vehicle lights on GM products…it usually means that the multifunction switch is failing.


#3

thank you for your response missileman. Is it possible that the relay switch is defective?


#4

You could check the fuses It’s possible one is going bad… But @missileman post sounds about right.


#5

Make sure the connector going to the flasher switch is making good connection. It sounds like the connection between the switch and flasher module that turns on the module has a problem. So when the turn signals are used then the module activates and the flashers work. The switch connection could be making a power or possibly a ground connection to turn the module on.


#6

“You could check the fuses It’s possible one is going bad.”

Huh?
A fuse is either “good” or it has blown.
There is no in-between.


#7

@VDCdriver I would have said I agree but I pulled a fuse in my car that was for the window switches and it was still good… Or appeared that way, either way I switched it and the window switch is working now… At first I thought that the plug had disconnected but that wasn’t the case… Strange things can happen. Or maybe there’s just a short somewhere ?


#8

It isn’t a short, as I stated earlier, it is a bad connection causing the trouble.