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Unread 04-01-2010, 11:56 AM   #1
UltimatE
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L.E.D. Dash Lights Write-Up

OK guys, here is a complete list of dash lights for a 1994 Wrangler. The number of each will vary depending on what equipment you have installed, and the colors can change too. There has been a lot of questions regarding how many bulbs, and which ones to use. From what I have read, the earlier YJ's with the older style gauges DO require more bulbs, so if someone with an 80's or early 90's YJ can give me a bulb count, I would appreciate it.

#194 bulbs: (These bulbs can be any color, to change the look of your gauges)
  • Speedometer - 2
  • Tachometer - 2
  • Battery & Oil gauges - 1
  • Fuel & Temp gauges - 1
  • HVAC - 1
  • 4x4 Light - 1

#74 bulbs: (These bulbs NEED to be white)
  • Left Turn Signal
  • Right Turn Signal
  • Brights
  • Brake Light
  • Check Engine
  • Seat Belt *
  • Maintenance Required *
  • Upshift Indicator *
  • Running Lights **
  • Hazard **
  • ABS **

If your YJ came with a hard top with wiper and/or defrost, you will need 1 more #74 bulb to light up that section of the dash.

* - These lights are standard equipment, but are not vital. When I upgrade my lights I will be leaving these bulbs out.

** - These bulbs are used with optional equipment. If your YJ has running lights or ABS, then make sure you upgrade these bulbs as well. If you don't want the running light indicator to be on all the time, you can omit that bulb. I have never seen any YJ use the red Hazard light. If anyone does have this light, please let me know so I can update this post.

As a reference, I'll be using the Super Bright LED website, since that is where I will be buying my LED's, and others have been successful in getting a good light distribution using their LED's.

Super Bright LEDs - Miniature Wedge Base Bulbs

For all the #194 bulbs, except the HVAC: WLED-x5
For the HVAC and 4x4 #194 bulbs, I highly recommend the WLED-xHP5 bulb. It is VERY bright, compact, and gives a very nice 360* spread of light. I had the WLED-x6 in the 4x4 light, and it was very bright on the right side and quickly faded to dim on the left.

For the #74 bulbs, I will be trying the 74-WHP bulb, and will update this post with pictures and a review of their performance. A forum member also reported using the 74-xHP3 (360* bulb) for their hard top switch area, although it was hard to get even distribution even with this bulb around the whole area.

***Edited to add:***

Many thanks to Mistic for adding information for early dash YJ's. You can see his section of the writeup on page 5, or post #68 here:

http://www.jeepforum.com/forum/f12/l...l#post10232257

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Last edited by UltimatE; 05-11-2010 at 09:39 AM..
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Unread 04-01-2010, 11:56 AM   #2
UltimatE
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So far the conversion has gone very well. All regular #194 and #74 bulbs fit perfectly, and light up the dash nicely. For the hardtop switch area, I left a regular #74 incandescent light bulb in there, and it lights up the whole panel nicely with a bluish hue.

First picture is a wide shot of the Tach / Speedometer cluster. The next three show the location of the 4 #194 bulbs for the tach and speedo, as well as the various #74 bulbs for the instrument panel.









LED's waiting to be opened.



#194 bulbs side by side.



This is the #194 bulb that one person used for the HVAC controls. It will not fit the socket, and it is too deep to fit into the housing. I will have to contact that member and see what he did.

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White '94 YJ Sport
Black '98 ZJ Laredo - 45x60 Surco Rack - 2" Budget Boost, Addco Front Swaybar

Project (s)Low - A build log.

Last edited by UltimatE; 04-07-2010 at 11:12 PM..
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Unread 04-01-2010, 11:56 AM   #3
UltimatE
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Here you can see the daytime shot of a test fit for the LED's. In this picture, the left turn signal and the brights has been changed to LED, and the speedometer as well. Notice how much brighter the left turn signal is than the right, and the camera is situated closer to the right one as well, so its even brighter straight on.



This picture shows (1) #194 bulb listed above lighting up the fuel and temp gauges, with a stock bulb lighting up the oil and battery gauges.



Here is the location of the HVAC #194 bulb. If looking at the dash it is located on the upper right of the panel.

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White '94 YJ Sport
Black '98 ZJ Laredo - 45x60 Surco Rack - 2" Budget Boost, Addco Front Swaybar

Project (s)Low - A build log.

Last edited by UltimatE; 04-07-2010 at 11:15 PM..
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Unread 04-01-2010, 11:57 AM   #4
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And some night time shots of the conversion. The camera picks up the hot spots much more than the human eye. The light distribution is pretty even, but you can see the hotspots, just not as much as the camera leads you to believe. The tachometer is definitely not that pronounced.





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White '94 YJ Sport
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Project (s)Low - A build log.

Last edited by UltimatE; 04-07-2010 at 11:17 PM..
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Unread 04-01-2010, 09:12 PM   #5
Bedlam_YJ
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I have to take my dash out tomorrow to find the wires/connectors for the underdash lamps (the ones that light up when a door is open). I'll get a count of the dash lights and bezel lights for you tomorrow afternoon if you want.

I'm looking for something a little brighter and longer-lasting than the standard filament bulbs so I'm looking forward to this write-up.
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Unread 04-07-2010, 11:18 PM   #6
UltimatE
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Pictures and comments added.

Anyone with an early YJ available to give a bulb count?
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Unread 04-08-2010, 12:41 AM   #7
Bedlam_YJ
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Oh man! I totally forgot to grab a total bulb count the other day.
I do remember counting the 2 rows of 6 twist-lock bulbs for the bezel before though.
The gauge bulbs I'm not sure I remember. And the bulb #'s I'm not sure on. They're itty-bitty in my YJ tho (for the bezel at least). I'll see if I can't get the #'s and rest of the bulb count tomorrow AM.
Sorry man, I fail!
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Unread 04-08-2010, 09:27 AM   #8
Wheelman286
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I've thought about LEDs too but I didn't think it would work as well as it apparently has for you. Maybe I can finally fix my dash lights to be permanently red since normal red bulbs keep fading.. not to mention my trick tachometer that changes colors.

Might even switch back to blue since there's more difference in that and white in LEDs... anyone done blue on their dash that wants to post pics of it for comparison?
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Unread 04-08-2010, 10:16 AM   #9
squarelight94
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That looks pretty good, thanks for the write up.

I have been thinking about doing my dash in green l.e.d.'s (im switching the contrasting color scheme to green) but I dont know exactly how bright that would be
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Unread 04-08-2010, 10:28 AM   #10
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Quote:
Originally Posted by Wheelman286 View Post
I've thought about LEDs too but I didn't think it would work as well as it apparently has for you. Maybe I can finally fix my dash lights to be permanently red since normal red bulbs keep fading.. not to mention my trick tachometer that changes colors.

Might even switch back to blue since there's more difference in that and white in LEDs... anyone done blue on their dash that wants to post pics of it for comparison?
LED's definitely won't fade, so that fixes your problem.

As for green or blue LED's for the dash, I'm not so sure thats a good idea. Those colors are slightly harsh on the eyes, especially with high intensity LED's at night. The dimmer function doesn't work anymore, so you can't adjust the output.
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Unread 04-08-2010, 10:44 AM   #11
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^^Blue LED light is terribly harsh on the eyes. It might not be too bad coming through the gauges, I'm not sure. Green shouldn't be too bad though.
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Unread 04-08-2010, 11:51 AM   #12
hondacr21
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Do you use the 90 or 120 degree bulbs?
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Unread 04-08-2010, 12:16 PM   #13
Mark05059
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one thing I would like to say.. LED's are polarized. If they dont light up one way then they may work if you swap the direction in the socket.
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Unread 04-08-2010, 12:55 PM   #14
Wheelman286
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I could step down to the 5 or 4-LED wedge bulbs for Blue. Would that work better?

Also... the website claims that their LEDs will dim with the dimmer switch. I dunno what car they used to figure that out but I know LEDs can dim. The question is... does a Jeep dimmer switch have enough range or precision to make an LED dim.
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Last edited by Wheelman286; 04-08-2010 at 02:49 PM..
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Unread 04-08-2010, 01:27 PM   #15
sailmike83
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Quote:
Originally Posted by UltimatE View Post


This is the #194 bulb that one person used for the HVAC controls. It will not fit the socket, and it is too deep to fit into the housing. I will have to contact that member and see what he did.


Looks good!

Have you heard anything about the HVAC bulb yet?
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