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Car Forum / Mercedes-Benz Cars / November 2006

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Turn signals and hazard issue

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parnold100 - 11 Nov 2006 19:04 GMT
Hi!, I have a 1984 300 Turbo Diesel.  Recently my turn signals began
working erratically.  They would go into a 'fast blink' mode and then
quit entirely.  I've changed the fuse (even though the old fuse looked
okay) and it would work for a moment and then demonstrate the same
behavior.

Finally, they quit all together.  I did some reseach and pulled the
hazard switch on the console and cleaned the connectors, they worked
again (for about five minutes) and now I can't get them to work at all
- tried changing the fuse, cleaning the contacts on the hazard
connector all to no avail.

I'm not sure if the problem is the hazard relay, or the turn signal
relay (which I cannot even find - but I know there is one since I can
find the part referenced in other places).

So my questions boil down to:

1.  Where is the Turn Signal relay located on an 84 300 Turbo Diesel
(My Haynes book does not show)
2.  Is it worth the effort to try to clean and reseat?
3.  What should I change first? The hazard switch lists at about $28
and the turn signal relay at $45 and I am poor.

Appreciate any help I can get

Thanks
jdoe - 11 Nov 2006 21:50 GMT
>Hi!, I have a 1984 300 Turbo Diesel.  Recently my turn signals began
>working erratically.  They would go into a 'fast blink' mode and then
[quoted text clipped - 23 lines]
>
>Thanks
first try getting OEM bulbs for the car, that might solve some of your
problems
parnold100 - 12 Nov 2006 17:13 GMT
Okay, tried replacing the bulbs, no joy. Have all lights but no turn
signal and no 4 way.

> >Hi!, I have a 1984 300 Turbo Diesel.  Recently my turn signals began
> >working erratically.  They would go into a 'fast blink' mode and then
[quoted text clipped - 25 lines]
> first try getting OEM bulbs for the car, that might solve some of your
> problems
T.G. Lambach - 11 Nov 2006 22:55 GMT
Turn signals do and should blink rapidly when one of the bulbs has
burned out.

Nowhere do you say that you checked the bulbs - that's step one.

Always start with the simple stuff.
Karl - 12 Nov 2006 01:16 GMT
IF the bulbs all turn out to be good German bulbs..... the flasher is under the shift wood in front
of the shifter and before the ashtray.
You need to remove the ashtray assembly and lift up the shifter wood a LITTLE bit and slide it back
to unhook the rear pin.

> Hi!, I have a 1984 300 Turbo Diesel.  Recently my turn signals began
> working erratically.  They would go into a 'fast blink' mode and then
[quoted text clipped - 23 lines]
>
> Thanks
Richard Sexton - 14 Nov 2006 15:19 GMT
Try cleaning the fuzebox with an ink eraser on the end of a pen
and replace ALL the fuses.

Signature

  Need Mercedes parts?   http://parts.mbz.org
Richard Sexton       | Mercedes stuff: http://mbz.org
1970 280SE, 72 280SE | Home pages: http://rs79.vrx.net
633CSi 250SE/C 300SD | http://aquaria.net http://killi.net

parnold100 - 15 Nov 2006 01:24 GMT
I will try this, and thanks.  I've done everything else except replace
the relays.  I did clean the relay contacts and reseat them.  They work
sporadically.  I took a 80 mile round trip today and they worked all
the way there, but not at all on the way back.  I am baffled.

Pat

> Try cleaning the fuzebox with an ink eraser on the end of a pen
> and replace ALL the fuses.
[quoted text clipped - 4 lines]
> 1970 280SE, 72 280SE | Home pages: http://rs79.vrx.net
> 633CSi 250SE/C 300SD | http://aquaria.net http://killi.net
 
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