XJS ( X27 ) 1975 - 1996 3.6 4.0 5.3 6.0

Trip computer light bulbs facelift

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Old Apr 22, 2018 | 07:56 PM
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Default Trip computer light bulbs facelift

I've been over every post I could find, which is how I was able to extract the bulbs from the trip computer. But now I'm stumped. I removed this "fixture" that the bulb appears to be soldered into.

Trip computer light bulbs facelift-w7rtrfl.jpg

When I found the part number for the bulb I found "LHD5180AA" which goes to a bulb that looks nothing like what I have removed.

https://www.terrysjag.com/SEARCH.html?Search=LHD5180AA



And before anyone asks, no LED's please I despise them. I just want to replace the original bulbs.
 

Last edited by Time-Pilot; Apr 22, 2018 at 08:11 PM.
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Old Apr 23, 2018 | 01:17 AM
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The bulbs are integral with the base. It's called a neo wedge bulb and come in different sizes that start with T, such as T3, T4 etc.

I'm sure an internet search will turn up a chart of sizes and you can compare to your existing bulb. They are fairly common in the auto industry for switch and dash lighting.
 
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Old Apr 23, 2018 | 07:14 AM
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Neo Wedge T5

I have a post about installing LEDs and then inserting a “Saffron” light gel (from a theatrical lighting store) to return the color to its stock Aqua color.

I hated the way the incandescents bake the trip computer. When driving at night, hold your finger on the screen for 10 seconds, I doubt you’ll be able to do it. It gets hot!

The shift selector light also runs hot enough to melt plastic. (Open that assembly up and you’ll see some melted plastic). I changed that out to LED and added the same gel filter to correct the color.

 

Last edited by Vee; Apr 23, 2018 at 07:17 AM.
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Old Apr 23, 2018 | 12:44 PM
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Got a pack of these for the clock:

https://www.ebay.com/itm/6Pcs-T5-T4-...eaed%7Ciid%3A1

They are listed as 12mm which is exactly what mine measured.
 
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Old Apr 23, 2018 | 10:20 PM
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The LEDs cut down on the heat in the display. https://www.superbrightleds.com/more.../Photos&Videos
 
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Old Apr 24, 2018 | 06:00 AM
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Originally Posted by RonaldP
The LEDs eliminate the heat in the display. https://www.superbrightleds.com/more.../Photos&Videos

Fixed. Eliminating the heat will undoubtedly prolong the life of these ancient computers.
 
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Old May 8, 2018 | 06:52 PM
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I found an X-300 in a Upull it yard. I now have a dozen or so of these things.
 
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Old May 9, 2018 | 06:16 AM
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Originally Posted by paulZ
I found an X-300 in a Upull it yard. I now have a dozen or so of these things.
Don’t tell me you came across several trip computers...
 
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Old May 10, 2018 | 01:13 PM
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X-300 Trip computer?
I am ignorant of your Jag model. This is the chip from an X-300
 
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Old May 20, 2018 | 10:12 PM
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All done.

Trip computer light bulbs facelift-lr1cgdr.jpg

Trip computer light bulbs facelift-azlzurz.jpg
 
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