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Bad turn signal switch?

 
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Vio
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PostPosted: Fri Sep 16, 2011 11:56 am    Post subject:  Bad turn signal switch? Reply with quote

Since mid-August, my turn signal flasher on the gauge cluster has been flashing and clicking faster than usual, as if a bulb is burned out, but I checked and all the bulbs are functioning. Another issue that occurs is nothing happens at all when I hit the turn signal, but then it works again. Yesterday on my way home from work I noticed my turn signal did not work at all during the entire trip home. This morning on my way to work it functioned again, but ran fast. It's intermittent for sure.

So do I need to get a new turn signal swtich? It looks like I have to remove the steering wheel to access this area, is there an easy procedure to follow? Never done this before and the Haynes manual is vague.


Thanks,

Vio
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Lingenfelter
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PostPosted: Fri Sep 16, 2011 12:02 pm    Post subject:   Reply with quote

You should pull out your headlights and taillights to make sure there is no carbon buildup on the electrical contacts. If there are, disconnect the battery and clean the contacts with rubbing alcohol and a q-tip.

I had this issue previously and after cleaning up the contacts, everything has been fine. If it helps, I would say start with the taillights first, but that's only because that's where I had carbon buildup.

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billy101
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PostPosted: Fri Sep 16, 2011 12:04 pm    Post subject:   Reply with quote

When it's not working, hit above where the 4-way flasher button is. Mine was like this forever, it would flash insanely fast, slow down, and then not even work at all. If I smacked the dash above where the 4-way flasher switch is, it would fix itself... I'm 99% sure that's what your problem is.

I ordered the DORMAN from Rockauto.com.

http://www.rockauto.com/catalo.....pk=1534302

It even includes a video on how to replace the switch.

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PostPosted: Fri Sep 16, 2011 2:39 pm    Post subject:   Reply with quote

think billy hit it right on the head, sounds like the flasher module went out. Its a fairly cheap / easy fix as compared to the MFS

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PBnj
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PostPosted: Fri Sep 16, 2011 2:57 pm    Post subject:   Reply with quote

you do not have to remove the dash panel to install, I just replaced mine last week per the same symptoms..Using the new switch to see where the clips are, I used 2 small and skinny flat head screw drivers to unhinge, and it came right out with harness attached.. Installation was just plug and put back until it clicked
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billy101
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PostPosted: Fri Sep 16, 2011 5:20 pm    Post subject:   Reply with quote

PBnj wrote:
you do not have to remove the dash panel to install, I just replaced mine last week per the same symptoms..Using the new switch to see where the clips are, I used 2 small and skinny flat head screw drivers to unhinge, and it came right out with harness attached.. Installation was just plug and put back until it clicked


This can be done as well. But I've had my dash off so many times if my hazard switch went again I could have the dash off and replace that switch in about 5 minutes.

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2001 Impala LS 3.8 - 118,510 miles. 9/2/2011. RIP - 11/12/2011
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PostPosted: Wed Sep 21, 2011 7:26 pm    Post subject:   Reply with quote

Thanks for all the replies; I'll be replacing it soon.
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REDLINE
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PostPosted: Sat Sep 24, 2011 1:46 am    Post subject:   Reply with quote

Hmm... I'm having a SIMILAR issue, in that once every other week I go to make a left turn and the flasher starts flashing really fast, indicating there's a bulb malfunction I figured. I tracked it down to the left rear turn signal not working. I have a pack of bulbs, but I haven't replaced it yet because it's really intermittent. Wondering if that corrosion build up might be the case here, I'll have to pop my bulb out and check it out.

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PostPosted: Mon Sep 30, 2013 11:30 am    Post subject:   Reply with quote

Well,

This is so very late of me.....

The intermittent issue became so bad in the last few months that I finally replaced the hazard switch this last Saturday, September 28th, 2013 (haha). The OE switch was 100% of the problem; PBnj's "cheat fix" saved me alot of time too!

Thankfully, Dorman continues to make quality aftermarket products and more often than not exceeding the dealers' OE parts. On another thought, this new switch seems to make a gentler clicking noise while the turn signal and hazards are activated, extra bonus!
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PostPosted: Thu Oct 03, 2013 12:24 am    Post subject:   Reply with quote

REDLINE wrote:
Hmm... I'm having a SIMILAR issue, in that once every other week I go to make a left turn and the flasher starts flashing really fast, indicating there's a bulb malfunction I figured. I tracked it down to the left rear turn signal not working. I have a pack of bulbs, but I haven't replaced it yet because it's really intermittent. Wondering if that corrosion build up might be the case here, I'll have to pop my bulb out and check it out.

sometimes the filament in the bulb will break, then you hit a bump or whatever it can short out on the other side and fuse back together till you hit another bump

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REDLINE
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PostPosted: Thu Oct 03, 2013 3:53 pm    Post subject:   Reply with quote

Irish_alley wrote:

sometimes the filament in the bulb will break, then you hit a bump or whatever it can short out on the other side and fuse back together till you hit another bump

Lol, well that would be frustrating.. but doable and way too easy to 'fix' Wink
My particular case led me on an unnecessary journey looking at bulbs/sockets and getting a false 'guess' by a mechanic that it was the stalk, so I replaced that (which was a little bit of a PITA I may add) and it STILL did it, so I gave up for a bit because I became too busy to mess with it. Then finally went back to said garage and talked to owner who figured it out and it was so obvious I felt dumb that I didn't look better to find it. I bought the car w/a receiver installed on it (this should have been my first clue to investigate). Someone used to tow something with it and had it wired up for trailer lights/signals.. We followed the wiring down from light, out of trunk & down under and back above rear bumper going over to the other light, then back up into the truck and BAM, pulled the nice trunk liner back to find a rats nest of splicing with cheap plastic boxes hiding behind behind and down in the inner trunk, one of the cheap junction/splice boxes had cracked. It must have been starting to crack and every so often lose contact. Took that box out of the equation and jumpered the two wires for turn signal back together and it's worked fine ever since.. duh Rolling Eyes

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