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.

blinker trebleshooting

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  #1  
Old 09-28-2005, 12:41 PM
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Default blinker trebleshooting

my blinkers go on but wont blink??? does anyone know what this could be?? I got a quote for a new switch ...the guy said it was a $200 part???? i think that is outrageous...could i just replace something myself..please help
 
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Old 09-28-2005, 01:33 PM
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Default RE: blinker trebleshooting

If it's the switch, I'd pick one up on eBay cheap...
 
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Old 09-28-2005, 06:51 PM
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Default RE: blinker trebleshooting

I've been having the same problem. Someone told me to check the fuses and pull out the one for the hazrd lights then put it back in, that should reset it. Someone else said replace the switch. If your lights stay solid instead of blinking, chances are it's the swtch, but it would not hurt to try the first suggestion. Mine worked fine after I tried it. Also, turn on and off the hazard lights switch, that could help.
 
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Old 09-28-2005, 09:08 PM
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Default RE: blinker trebleshooting

Most likely the Hazard Switch.The hazard switch is the relay for the system.

They are easy to replace.
 
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Old 12-08-2008, 08:48 AM
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Default RE: blinker trebleshooting

Hi I have the same problem, I replaced the hazard switch with a new one and the hazards started working, then 20 seconds later they stopped and thefuse was blown. Any idea what I can check next?
 
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Old 12-08-2008, 09:04 AM
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Default RE: blinker trebleshooting

I would check the wiring sounds like something is shorting somewhere.
 
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Old 12-08-2008, 09:12 AM
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Default RE: blinker trebleshooting

I'm kinda new to this. I already checked the wiring harness at the rear going to the tail lights and rear blinkers, everything looks OK. Any idea where to look next?
 
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Old 12-08-2008, 09:16 AM
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Default RE: blinker trebleshooting

Remove the front turn signals. Look in there closely there is a spring that holds them in. Remove both sides and inspect the wires. Check the bulbs as well. If all looks good unplug both front sockets then install a new fuse and see if it blows again. If it doesn't plug the sockets back in 1 at a time and see if the fuse blows again.
 
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Old 12-15-2008, 09:31 AM
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Default RE: blinker trebleshooting

Hi thanks for the instructions. When I remove the sockets, the blinkers blink twice as fast and the fuse does not blow. The wires and connectors all look good, except for the ground wire on the left side, which was completely corroded and fell off in my hand. When I plugged the sockets back in and put a new fuse in everything was fine until I closed the door to the car, when I saw a flash and the fuse blew again. I assumeI need to reconnect that ground, but is that what caused it to blow again?

[IMG]local://upfiles/13325/5ED933AE34DF4470AEFE3264C3F142DD.jpg[/IMG]

[IMG]local://upfiles/13325/4EC975DDF6494F859CF354967A49134F.jpg[/IMG]

[IMG]local://upfiles/13325/1B6EB17394DD4175B6B32BC00CB0E498.jpg[/IMG]
 
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Old 12-18-2008, 10:24 AM
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Default RE: blinker trebleshooting

OK I realize the ground is probably not causing the short. Could you please give me an idea of where to check next, I can'ttell how the wires are routed from the blinkers to the fuse box.
 
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Old 12-18-2008, 10:29 AM
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Default RE: blinker trebleshooting

Are both front & rear blinker bulbsstill alive? If onehas a burned out bulb, the blinker would either remain on orblinks faster. This is true on many makes but since I have not had this problem on my 850, I am not 100% certain.


JPN
 
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Old 12-18-2008, 11:37 AM
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Default RE: blinker trebleshooting

All the bulbs are good. I can't find any wires, connectors or harnesses in the front or rear that look bad. So now I have to check along the wires but I don't know where to look first.
 
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Old 12-23-2008, 11:37 AM
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Default RE: blinker trebleshooting

Tech,
A new development: Unplugged both sockets, then one at a time, everything was fine. Lowered the vehicle off the jackstands - poof! Out went the fuse. Now with the sockets plugged in or out, the fuse blows as soon as I put it in. (By the way I never reconnected that ground wire). I tried looking at the wiring diagram in the Haynes manual but I dont know how to read it. Are there any wires routed near the springs or shocks? I did notice the battery terminal wires and connectors are old and somewhat corroded. Should I replace those? Any other ideas? Thanks for the help.
 
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Old 12-23-2008, 12:13 PM
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Default RE: blinker trebleshooting

I would clean then to start.

I believe the wires run into the fender then go through a hole into the engine compartment.
You might have to pull the inner fender liner to see the wiring.
 
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Old 12-23-2008, 12:27 PM
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Default RE: blinker trebleshooting

Can I use engine degreaser to clean the wires? How do I access the fender liner? All I can see are what looks like black plastic boxes covering the wires.
 
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Old 12-23-2008, 12:46 PM
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Default RE: blinker trebleshooting

There is rivets you will have to drill out to pull the fender liner back and look inside.

I would use something like brake cleaner or something like that so the rest evaperates pretty quick.
 
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