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Poker2009
Hockenheim


Joined: 09 Sep 2009
Posts: 727
Location: London


PostPosted: Fri May 26, 2017 9:43 am    Post subject: Front boot light not working Reply with quote

So I had a flat battery, and put it on charge - the crocodile clips were too big to allow me to close the front lid, but the boot light was on and wouldn't go off, even though I locked the car, so I popped the bulb out (which was hot).

Now with a fully charged battery, the bulb back in, the light has stopped working.

Any ideas? - I don't believe there is a fuse for it, and I have tried the bulb in both directions, and tried a new bulb (I swapped it over to LED some time ago, it has always worked fine).

Thanks
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Porsche 997.1 C2S Basalt Black
 
  
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RL1989
Newbie


Joined: 20 Mar 2016
Posts: 32



PostPosted: Fri May 26, 2017 9:58 am    Post subject: Reply with quote

I had the same and assumed the bulb had gone after I left the bonnet propped with a CTEK charting the battery.
It suddenly started working again after a couple of weeks!
 
  
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monster
Hockenheim


Joined: 04 Sep 2010
Posts: 672
Location: Bournemouth


PostPosted: Fri May 26, 2017 10:39 am    Post subject: Reply with quote

Mine didn't work for years and I tried everything to get it going, replaced bulb, tested micro switch, proved wiring etc. In the end I mentioned it to a friend with PIWIS, and he plugged his piwis in and activated it in seconds - has worked ever since.

If you've had a flat battery it can knock certain systems out and the car in effect 'forgets' that it has certain options. A 'vehicle handover' in piwis often restores them. I recently lost my headlamp washer jets and heated seats due to a flat battery and this restored them for me.

Hope that helps!
 
  
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Captain Lockheed
Nürburgring


Joined: 19 Dec 2014
Posts: 413
Location: Bristol


PostPosted: Fri May 26, 2017 1:57 pm    Post subject: Reply with quote

monster wrote:
Mine didn't work for years and I tried everything to get it going, replaced bulb, tested micro switch, proved wiring etc. In the end I mentioned it to a friend with PIWIS, and he plugged his piwis in and activated it in seconds - has worked ever since.

If you've had a flat battery it can knock certain systems out and the car in effect 'forgets' that it has certain options. A 'vehicle handover' in piwis often restores them. I recently lost my headlamp washer jets and heated seats due to a flat battery and this restored them for me.

Hope that helps!


Vehicle handover is what you need. PIWIS2
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997.1 C2S Tip 2005
Saving for a 993.
 
  
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Poker2009
Hockenheim


Joined: 09 Sep 2009
Posts: 727
Location: London


PostPosted: Fri May 26, 2017 8:43 pm    Post subject: Reply with quote

Thanks guys - I checked again this afternoon, and it was working - however, tried again just now, and is off again! Strange.

That is going to be a bit of a pain - arranging for a PIWIS2 hookup.
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GT4
Nordschleife
Nordschleife


Joined: 08 Nov 2008
Posts: 30196
Location: Hertfordshire and Hampshire


PostPosted: Fri May 26, 2017 8:56 pm    Post subject: Reply with quote

Frayed wire/dodgy connection?
 
  
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Poker2009
Hockenheim


Joined: 09 Sep 2009
Posts: 727
Location: London


PostPosted: Fri May 26, 2017 9:03 pm    Post subject: Reply with quote

Possibly! It was working fine, before I popped the bulb out - I wish I had not touched it!!
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monster
Hockenheim


Joined: 04 Sep 2010
Posts: 672
Location: Bournemouth


PostPosted: Fri May 26, 2017 9:50 pm    Post subject: Reply with quote

If it's working intermittently then it's probably not a piwis programming issue.

Maybe check the microswitch near the latch is working properly.
 
  
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GT4
Nordschleife
Nordschleife


Joined: 08 Nov 2008
Posts: 30196
Location: Hertfordshire and Hampshire


PostPosted: Fri May 26, 2017 9:59 pm    Post subject: Reply with quote

I cleaned my 996 frunk microswitch with IPA and WD-40.

Spray and aggitate the catch with your finger. Rinse and repeat, as they say.

Dust and debris can stop it working.
 
  
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Poker2009
Hockenheim


Joined: 09 Sep 2009
Posts: 727
Location: London


PostPosted: Sun May 28, 2017 6:36 am    Post subject: Reply with quote

It is intermittent (sometimes on and sometimes off when I open the lid)

Looks like something going on at the latch, if I close the lid with a bit of force and open again, the light comes on.

Will try cleaning it.
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Boxstercol
Trainee


Joined: 04 Jun 2013
Posts: 62



PostPosted: Sat Aug 05, 2017 9:02 pm    Post subject: Reply with quote

Chaps,

I have the same issue on my 987 Boxster, not a battery issue as just had a new battery / vehicle handover & the intermittent frunk light was present before.

Suggestion seems to be to clean the microswitch, happy to have a go but can anyone point me in the direction of where i might find the switch & what I can use to clean it?

Thanks in advance for any help. Thumb
 
  
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Poker2009
Hockenheim


Joined: 09 Sep 2009
Posts: 727
Location: London


PostPosted: Sun Aug 06, 2017 6:03 am    Post subject: Reply with quote

Mine must be the switch aswell, as it is still intermittent - if I slam the hood down closed, the light comes on - although haven't got round to doing anything about it yet.
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Jibaro
Monza


Joined: 10 Sep 2012
Posts: 152
Location: Surrey


PostPosted: Sun Aug 06, 2017 8:13 pm    Post subject: Reply with quote

The microswitch in the latch gets stuck, wd40 can help, but if the lamp fails to light, flick the sprung lever by the latch and that should make the lamp come on.
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