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Join Date: Jan 2002
Location: Cold Spring, NY
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73 911 drivers side turn signals not working

Hello All,
It's been quite a while since I've been here.
The car has been in storage for the past year. All was working when I last left it.
For some reason the drivers side turn signals/ hazard are now not working.

All other lights are functioning properly. Driving lights work, passenger signals work, hazards on the passenger side work, headlights hi and low work.

I have noticed the dashboard signal indicators do not light when trying the drivers side signal and both left and right dashboard indicators flash when trying the passenger turn signals.

I've replaced all the fuses and dual filament bulbs to no avail. Checked for corrosion around fuses and light bulb sockets.

Hoping someone out there can help.

Many thansk... Oliver

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...Oliver

'73 911T: 2.9ltr w/ PMO EFI
Old 07-06-2016, 07:44 AM
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Anyone have any ideas here?
I have searched all the existing threads and chased power quiet a bit. Have also ordered a new relay from our host in the hope this will help.
I'm hesitant to drive it as the police here are out on a revenue hunt.
Old 07-06-2016, 06:02 PM
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ROW '78 911 Targa
 
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Join Date: Jul 2011
Location: Salem, OR
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Check all grounds? Made sure dual filament lamps are installed and aligned correctly.
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Dennis
Euro 1978 SC Targa, SSI's, Dansk 2/1, PMO ITBs, Electric A/C
Need a New Wiring Harness? PM or e-mail me. Search for "harnesses" in the classifieds.
Old 07-06-2016, 06:06 PM
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Join Date: Jan 2002
Location: Cold Spring, NY
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Anyone have any ideas here?
I have searched all the existing threads and chased power quiet a bit. Have also ordered a new relay from our host in the hope this will help.
I'm hesitant to drive it as the police here are out on a revenue hunt.
Old 07-06-2016, 06:09 PM
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Checked all grounds and all looks good. Wire brushed just in case. Bulbs are correct and new front and rear.
The relay clicks for both left and right signals though the sound is lower when trying the drivers side. Hence hoping a replacement will work.

It seems strange that it's the front and rear driver's side signals only. Front and rear passenger side signals work just fine as do all other lights on both sides.
The front and rear lens housing were both replaced a few years ago and everything worked fine last summer.

I am perplexed.
Old 07-06-2016, 07:25 PM
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When did the police start ticketing people who don't signal?
Seriously, you'll need to do some troubleshooting with a wiring diagram and a 12V test light or a meter.
Unlikely to be the flasher relay since it is common to both sides.
Might be quicker to take it to a shop
Old 07-06-2016, 08:20 PM
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ROW '78 911 Targa
 
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Test for voltage at the fuse when signal is on. Check both top and bottom contacts.
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Dennis
Euro 1978 SC Targa, SSI's, Dansk 2/1, PMO ITBs, Electric A/C
Need a New Wiring Harness? PM or e-mail me. Search for "harnesses" in the classifieds.
Old 07-07-2016, 09:07 AM
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Check your turn signal relay connection. I think there is a plug.
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1983 SC - sold
2002 996 C4S - sold
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Old 07-07-2016, 11:36 AM
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ROW '78 911 Targa
 
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Location: Salem, OR
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6 pin plug from turn signals to dash harness through body 6 pin could be loose.
Hazard lights 6 pin connection same thing. Again for the Relay socket.
If you don't see flashing voltage at the correct fuse location, it is upstream in the dash harness and devices, If voltage is present it is downstream to the lamp area.

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Dennis
Euro 1978 SC Targa, SSI's, Dansk 2/1, PMO ITBs, Electric A/C
Need a New Wiring Harness? PM or e-mail me. Search for "harnesses" in the classifieds.
Old 07-07-2016, 12:01 PM
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