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Hot!Check left direction indicator after replacing bulb

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tudor
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tudor PCGB Member
2020/07/12 19:35:51 (permalink)

Check left direction indicator after replacing bulb

Hi all - new to the forum and proud owner of an black '09 Gen 2 Cayman. Two weeks into ownership and I get this message: "Check left direction indicator". I replaced the bulb (HY21W) with an Osram (link below) but the problem didn't go away. I tried cleaning the socket as well. Any advice? Many thanks!
 
https://www.amazon.co.uk/Osram-64137ULT-Ultra-HY21W-Bulbs/dp/B00MNIQOD4/ref=sr_1_1?dchild=1&keywords=hy21w&qid=1594578535&sr=8-1

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10 Replies

Motorhead
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Re: Check left direction indicator after replacing bulb 2020/07/12 21:40:05 (permalink)
Hi Tudor,
 
Have you checked that you’re getting voltage at the socket? If you are, maybe it’s a faulty or incorrect bulb. You could always try swapping-in the right indicator bulb to see if that works.
 
Jeff

987.2 Cayman S
North Beds (R10 & R24)
tudor
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Re: Check left direction indicator after replacing bulb 2020/07/12 22:45:56 (permalink)
I tried swapping them but left side still doesn't work and I don't have a multimeter. Could it be the bulb socket perhaps? Is it easy to fit a new one?
Motorhead
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Re: Check left direction indicator after replacing bulb 2020/07/13 09:14:37 (permalink)
Can't help I'm afraid. It's quite possible that the bulb holder is faulty [broken wire?], and it may be possible to source a new one but it's part of the headlight unit so I'm not sure that will be possible. Best to talk to your Porsche Dealer I reckon, or you may be able to get a used unit and salvage the holder from that or use the replacement.
 
Without a multi-meter you're going to struggle to trace the source of the fault, but if you don't fancy that then an auto-electrician will be able to help.
 
Jeff 
 
 

987.2 Cayman S
North Beds (R10 & R24)
tudor
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Re: Check left direction indicator after replacing bulb 2020/07/13 21:56:19 (permalink)
Many thanks Jeff, I'm due a visit anyway so will ask them to have a look. I'm just trying to avoid buying a whole new unit when I might only need something like this: 
https://tinyurl.com/ycjbdpam
Motorhead
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Re: Check left direction indicator after replacing bulb 2020/07/13 23:00:46 (permalink)
I‘ve a feeling that the Dealer will tell you that you have to replace the whole unit Tudor - they’re not into repairs! That’s going to be very expensive when all you probably need is the bulb holder, assuming that’s the problem and not an internal connection problem in the headlamp unit.
 
I expect that the bulb holder is going to be unique to the headlamp unit, so unless you can identify the pattern you may have difficulty sourcing it from a third-party supplier.
 
Jeff

987.2 Cayman S
North Beds (R10 & R24)
Brian_Innes
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Re: Check left direction indicator after replacing bulb 2020/07/14 11:56:10 (permalink)
I had a similar problem with a rear bulb replacement on my 987.1 Cayman 2.7.
 
It turned out that the replacement bulb seemingly had a slightly different electrical resistance compared to the stock OE part.
 
After replacing the bulb with an OE part from my local Porsche Centre parts dept, the rear light message problem was solved.
 
Brian   

Nairnshire,
Highlands
Previous:
2007 Cayman 987.1 2.7 Manual.
2010 Cayman S 987.2 Manual
2012 Cayman R Manual
2015 Abarth 595 Competizione 180
2016 718 Cayman S PDK
2019 718 Cayman GTS PDK
Current:
Gen 2 Macan Turbo

Motorhead
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Re: Check left direction indicator after replacing bulb 2020/07/14 13:29:41 (permalink)
I thought that could be the case Brian but Tudor said that swapping-in the opposite bulb didn't work, so unfortunately it seems as though something else is amiss. Because the headlamp unit's connector remains in the wing it's difficult to check the functioning of the bulb without rigging a 12V supply and earth, although if he had access to a multi-meter he could at least check continuity.
 
Jeff

987.2 Cayman S
North Beds (R10 & R24)
Briggy
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Re: Check left direction indicator after replacing bulb 2020/07/15 10:10:15 (permalink)
If you've just bought the car, have you considered contacting the seller? If it's a trader, it's really up to them to fix it for you.
 
Cheers,
Bryan

987.2 Cayman S
tudor
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Re: Check left direction indicator after replacing bulb 2020/08/06 16:20:27 (permalink)
Thanks all for the replies, I've managed to track down the problem and fix it. I removed both headlights and looking at the pins in the back noticed that on the LHS some of pins were not straight and so weren't making contact with the socket. After I straightened them with pliers they worked :D
 
https://www.flickr.com/gp/189676696@N08/Yg448d
 
post edited by tudor - 2020/08/06 16:26:49
JohnCRS
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Re: Check left direction indicator after replacing bulb 2020/08/06 19:31:10 (permalink)
Great result and worth noting.  Thanks for the update.

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