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Join Date: Mar 2013
Location: Manchester, UK
Posts: 466
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Turn signal relay

The turn signal relay on my 1978SC has suddenly started blinking at about twice the normal rate. Left and right indicator lights come on as expected as does the hazard warning lights (activating all indicator lights) but at a fast rate. Is this an earthing fault or has the relay failed? Is it possible to test the relay? I have it off the car at the moment having spent a while trying to find it from behind the dashboard.

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1959 Bristol 406 (bought in 1972; sold in 1977)
1966 Porsche 2.0 coupe (bought in 1977; sold 1981)
1978 Porsche SC coupe (bought in 1993)
Old 07-19-2018, 06:19 AM
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Join Date: Apr 2007
Location: PDX, OR
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I experienced the same on my 84. Swapped the relay and good since then. Note however to use the Hella one not other cheap ones like URO. I cheaped out and bought URO first but that failed DOA for some reason.
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1984 911 Carrera Coupe - 32C #73 - M64/05
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Old 07-19-2018, 07:41 AM
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Join Date: Feb 2006
Location: Ontario Canada
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get a Wherle relay . they work fine.
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1976 Yamaha XS360 ( Beats Walkin')
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Old 07-19-2018, 09:36 AM
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the reason the relay will go faster is that one of the light bulbs is not working.Check that and if all is lit up replace the relay

Ivan

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1985 911 with original 501 761 miles...807 506 km
"The difference between genius and stupidity is that, genius has its limits". Albert Einstein.
Old 07-19-2018, 09:48 AM
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