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Interior LED Changeover (uhm...Looooong)

 
Old 02-27-2013, 10:00 AM
  #106  
Ed Scherer
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Originally Posted by brealytrent View Post
Still wondering if there's a replacement for the ones that light the transmission gear #s on the center console of earlier auto cars?
I'm guessing there is... but I have no idea what it is. If you can get me a good photo of the bulbs (removed from socket would be especially helpful) and sockets, I might be able to advise.

IIRC, some of the bulbs on earlier cars were soldered in.

I seem to remember some posts on this topic (bulbs in earlier cars); if anyone could link to those here, that would be nice.
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Old 03-13-2013, 07:31 PM
  #107  
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My dash lights don't work, I will go with the LED lights, it really update the car !!!!
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Old 03-13-2013, 08:04 PM
  #108  
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Originally Posted by brealytrent View Post
Still wondering if there's a replacement for the ones that light the transmission gear #s on the center console of earlier auto cars?
My vague memory is that the bulb used for the shifter-illumination on early cars is the same as the red safety lights in the doors; a BA9 1.2W 12V bayonet bulb.

I could be wrong - as I've never owned an early car, and I'm going just from memory of reading rennlist posts. A search here for "BA9 shifter" might answer whether I'm right.
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Old 01-20-2014, 09:56 PM
  #109  
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Hi Ed,
The PDF at:
Converting Porsche 928 Interior Lighting to LEDs

seems to be corrupt or the link is broken. Is posted somewhere else?

Thanks,
Greg
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Old 01-20-2014, 10:31 PM
  #110  
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Originally Posted by Tardis928 View Post
Hi Ed,
The PDF at:
Converting Porsche 928 Interior Lighting to LEDs

seems to be corrupt or the link is broken. Is posted somewhere else?

Thanks,
Greg
Howdy, Greg.

I just tried the main link at http://www.ed.scherer.name/Porsche_9...0to%20LEDs.pdf and it was OK. What exactly are you seeing?

Anybody else having a problem with that link?
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Old 01-20-2014, 10:42 PM
  #111  
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All I get is just a blank white screen. My computer recently upgraded itself to IE11 and it has been quirky. So, if you say it is there, then maybe it is one of those undocumented features of IE11. I'll play with the IE11 settings some more.

Thanks,
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Old 01-20-2014, 11:10 PM
  #112  
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Originally Posted by Tardis928 View Post
All I get is just a blank white screen. My computer recently upgraded itself to IE11 and it has been quirky. So, if you say it is there, then maybe it is one of those undocumented features of IE11. I'll play with the IE11 settings some more.

Thanks,
Greg, you could also try (in IE11) right-clicking the link and "Save As..." to a file on your computer. Then double-click that file in Windows Explorer to open it up in Adobe Reader (or whatever other PDF reader you might have established for .pdf files).
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Old 11-28-2016, 02:57 PM
  #113  
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I read the initial post but not the follow-ups so this may have been discussed?

For the interior and under hood festoon bulbs it seems there are two different lengths.

Anyone know what they are and how many of each?

There are a total of 8: 2 doors, 1 overhead dome, 1 rear hatch, 1 glove box, 1 courtesy light in pax footwell (GTS) 1 overhead reading light between visors, 1 under hood light.

Thanks.
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Old 11-28-2016, 03:20 PM
  #114  
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Originally Posted by Randy V View Post
I read the initial post but not the follow-ups so this may have been discussed?

For the interior and under hood festoon bulbs it seems there are two different lengths.

Anyone know what they are and how many of each?

There are a total of 8: 2 doors, 1 overhead dome, 1 rear hatch, 1 glove box, 1 courtesy light in pax footwell (GTS) 1 overhead reading light between visors, 1 under hood light.

Thanks.
I believe the recommendations in the "Courtesy Lighting" section (near the end) of Converting Porsche 928 Interior Lighting to LEDs are all valid except the under hood bulb changed sometime after the '90 MY ('91, I think); '90 doesn't use a festoon for the under hood lamp. There's also a complication with that one. See the threads LED under hood lighting and New hood switch, strange light behaviour?. Looks like you'll need a 220 Ω load resistor in parallel with that under hood LED lamp.

Last edited by Ed Scherer; 05-11-2017 at 06:24 PM.
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Old 11-29-2016, 03:34 PM
  #115  
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Thanks, Ed - that write-up is a thing of beauty. I need to add it to the FAQ if it's not already there.

The GTS under hood light is indeed an old fashion festoon bulb. May just leave it stock for now.

In Keith's write-up he recommends a brighter bulb for the forward 'map light' located between the front visors. Did you use a different type for that one?

I'm wondering why you chose the narrow beam type for the overhead hatch, rear hatch and CEL panel locations?
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Old 11-29-2016, 04:47 PM
  #116  
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Originally Posted by Ed Scherer View Post
I believe the recommendations in the "Courtesy Lighting" section (near the end) of Converting Porsche 928 Interior Lighting to LEDs are all valid except the under hood bulb changed sometime after the '90 MY ('91, I think); '90 doesn't use a festoon for the under hood lamp. There's also a complication with that one. See the threads LED under hood lighting and New hood switch, strange light behaviour?. Looks like you'll need a 220 Ω load resistor in parallel with that under hoold LED lamp.
Great write up Ed. Is that link to the latest version? I noticed that the Center Console and Courtesy Lighting sections just contain TOC information.
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Old 11-29-2016, 05:07 PM
  #117  
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Originally Posted by GT6ixer View Post
Great write up Ed. Is that link to the latest version? I noticed that the Center Console and Courtesy Lighting sections just contain TOC information.
Page 41 of that doc contains those sections.
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Old 11-29-2016, 05:36 PM
  #118  
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Originally Posted by Randy V View Post
Page 41 of that doc contains those sections.
I saw that but thought perhaps he had a write-up with pics since the first page says "incomplete draft". Granted those items are just bulb replacements and the info on page 41 is what really matters.
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Old 11-30-2016, 10:56 AM
  #119  
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Originally Posted by GT6ixer View Post
Great write up Ed. Is that link to the latest version? I noticed that the Center Console and Courtesy Lighting sections just contain TOC information.
Originally Posted by GT6ixer View Post
I saw that but thought perhaps he had a write-up with pics since the first page says "incomplete draft". Granted those items are just bulb replacements and the info on page 41 is what really matters.
Yes, it's the latest version. Unfortunately, I never completed those sections. Perhaps some day...
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Old 11-30-2016, 09:28 PM
  #120  
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IIRC, the original interior festoon bulbs were 36mm long. However, in that length there were no really bright LED replacements. So we used the 38mm long version, which was also available in different colors. It was a bit harder to install the longer bulbs, but one could shoehorn them in without too much effort. And because they don't create as much head as the original bulbs, the fixtures never buckled.
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