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2147cs's Avatar
 
Join Date: Oct 2012
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Turn Signal Problem 1974 911

With Ignition Power on:
When I turn on the Left Turn Signal works fine.
When I turn on the Right Turn Signal Nada on the right side but the Left continues to Blinks!!!
High Beam and right/left indicators do not light ever.

With Power Off:
Left signal lights and does not blink
Right signal lights and does not blink


This is driving me nuts any help would be greatly appreciated!

Thanks Mark

Old 07-02-2013, 03:36 PM
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Sounds like your switch is toast.
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1976 Yamaha XS360 ( Beats Walkin')
1978 911 SC Targa ( Yamaha Support Vehicle )
2006 Audi A4 2.0T (Porsche Support Vehicle )
2014 Audi A4 2.0T Technik (Audi Support Vehicle)
Old 07-02-2013, 04:17 PM
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That's what I'm thinking already replaced the relay....
Old 07-02-2013, 04:50 PM
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Nah, I'll go with missing/faulty earth on right side indicator housing, front probably.

With Power Off:
Left signal lights and does not blink
Right signal lights and does not blink

That's normal, parking lights euro style.
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1972 911T Coupe with a '73E MFI engine and 'S' pistons
10 year resto mostly completed, in original Albert Blue.

***If only I didn't know now what I didn't know then***
Old 07-02-2013, 09:14 PM
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Grounds to the right front checked out

I think a clue may be no HighBeam/Turn signal lights on the speedo.... about a month ago they worked fine. Today they do not.

On the Flash relay "C" is getting the 12V pulse

When the Hazard Lights Button is activated only the right side blink, if I turn on the lights I get a faint blinking on the rear right light nothing on the front right?????
Old 07-03-2013, 02:38 PM
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Correct this statement:

When the Hazard Lights Button is activated only the LEFT side blink, if I turn on the lights I get a faint blinking on the rear right light nothing on the front right?????
Old 07-03-2013, 03:36 PM
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Still sounds like an earth issue to me, did you take a clip lead and earth each of the housings or simply measure the earths with a multimeter? A housing can be isolated and still measure as a good earth using a continuity buzzer/multimeter because the current finds an earth path back through the wiring and another light housing. It can drive you mad. I would make sure you have a known good earth at all 4 housing, connect a clip lead as a temporary test solution at each from a good earth point. Same with the headlight earths.
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1972 911T Coupe with a '73E MFI engine and 'S' pistons
10 year resto mostly completed, in original Albert Blue.

***If only I didn't know now what I didn't know then***
Old 07-03-2013, 10:26 PM
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I'll try it today....thanks
Old 07-04-2013, 02:50 AM
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Using alligator clips I grounded all four corners light grounds to chassis (checked each with a multimeter) still same problem.....
Old 07-04-2013, 07:53 AM
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Got it ......some idiot wired the right side wire to the left fuse terminal S9 I moved the black green wire to S10 Bingo.... there is a Porsche God out there..... thanks for your help. Now to put everything back together.....
Old 07-04-2013, 08:09 AM
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Well I never thought of that one, good skills finding it. Its a good feeling when you fix something like that isn't it.

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1972 911T Coupe with a '73E MFI engine and 'S' pistons
10 year resto mostly completed, in original Albert Blue.

***If only I didn't know now what I didn't know then***
Old 07-04-2013, 08:50 PM
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