Volvo 850 Made from 1993 to 1997, this Volvo line was available in both a wagon and a sedan, both with were graced with several trim levels.

Left signal wonít turn off

Old 12-05-2018, 03:23 PM
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Join Date: Dec 2018
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Default Left signal wonít turn off

hello Iím new to this forum so forgive me for any mistakes. My left signal night wonít turn off unless I take the fuse out. I check all the bulbs and replaced them. My hazard switch is working properly because the right blinker works fine. I unplug the hazard switch and the left blinker still stays lit. Thanks for any input in advanced!
Old 12-07-2018, 11:13 AM
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Location: Kingsport, TN
Posts: 1,513

It's not obvious to me what component would need to fail to have that affect. Taking the simplistic view, the power to the blinkers should be off when the ignition is off. You can get to the turn signal switch pretty easily to unplug that, but I am not sure that is your problem.

I am looking at the wiring diagram. power to the turn signal switch comes from the hazard switch. The hazard switch has both battery and switched power supplies, but it contains a relay that pulls in both sides simultaneously. At least it's drawn that way. Since you say that didn't kill it, the power may be coming from the instrument cluster. The bulbs in the cluster are connected to the turn signals on each side.

Anyway, not a simple system. The hazard switch is really complex.

Last edited by firebirdparts; 12-07-2018 at 11:27 AM.
Old 12-08-2018, 09:50 AM
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Thank you for your input. So if I understand correctly you are saying to take a look at the actually blinker switch ?
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