Gauge cluster bulbs - LED replacements?

For everything related to the inside of the car!!

Postby toayoztan » Fri Dec 29, 2006 10:01 pm

I suppose I should probably add my tidbit to Simba's write up. Here are some pics of the 92-93 HVAC (since they are different from 90-91) to give those an idea of what to expect. However, the directions for disassembly, etc can still be followed from Simba's writeup above.

For the LED indicators for the HVAC buttons and window switch, i used LED's that can be bought in various colors from Radio Shack:
Image

Here's a view of the LED indicators installed. I chose the color Red. All of them are installed except for the last one (i was still working on it).
Image

These 4 arrows show the microbulb locations that illuminate the HVAC controls on a 92-93.
Image

For the rear defogger, the red arrows point to the spring and ball that you need to be careful not to lose when sliding the circuit board out of the rear defogger button:
Image

Bryan
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Postby toayoztan » Fri Dec 29, 2006 10:06 pm

Simba wrote:
toayoztan wrote:Also, another note, when taking out the rear defrost button, be SURE you are careful sliding it out. That spring Simba shows in the pic you must not lose or you'll need to get another spring.


Yup. There's also a small ball bearing in the top of the switch which likes to pop out at light speed. I hate the rear defrost switch with a passion.


Yeah, i got you covered with a pic on that :)

Yeah, i agree, those buttons are VERY sensitive, luckily i didn't snap any of the buttons loose either, but i agree, it took me several hours to take apart heh.

Yeah i hate that damn button too. It took me 45 mins to figure out how to slide that rear defogger button out of the hvac control unit lol. I'm going to string in some microbulbs from radioshack and use the bulb covers from the link bigacuralvr provided and see how they turn out. 3mm 360degrees would be nice, but i didn't find any on superbrightleds.com either.

Oh, i was going to mention, could it have been possible to slightly angle the illumination LED for the rear defrogger to face foward more?

I will post a pic up shortly of the red led's i used (from your write up) of the gauge clusters, they look really nice. However, i wasn't able to use the brake led...when my ebrake was disengaged, it still slightly illuminated. Also, that amber bulb for the fuel light wouldn't work either. It always stayed on. If i turned the bulb around, it obviously didn't work since it was an LED. I just kept the regular bulb instead. Maybe I have a 92-93 cluster, and you have 90-91 cluster :shrug:

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Postby toayoztan » Fri Dec 29, 2006 10:24 pm

Here are some pics of the LED's used from Simba's write up for the gauge cluster. I tried to best capture the intensity of the LED's, but..well, it's hard for me lol. So, two notes to keep in mind - 1) They are slightly brighter, give off more of a glow, on the highest intensity/illumination setting in person, and 2) They are actually a slightly deeper red in person than what you see in the pics. Now, on to the pics!

This pic is a general pic showing the cluster. Again, the intensity is slightly brighter in person. The needles are more visible and glow nicer in person. But his gives you an idea of the eveneness of the color across the cluster:
Image

Here's another angle of the cluster and shows the key halo. I know the halo looks orangish in the pic..but trust me, it's not. And i'm anal when it comes to color match perfection.
Image

Upclose view of the speedometer.
Image

Upclose view of the misc gauges. Again, the needles are more visible/glow brighter in person.
Image

Another view of the speedometer.
Image

Here's a shot of the key halo. The camera drew out the intensity of the bulb and the bright spots, but in person, the color and brightness is more even and red (close like the upper right corner of that halo in the pic). This gives you an idea of how bright the halo can look and that you are able to change the color of it.
Image

I should have better pics when i get the HVAC completed with nicer red illumination. These pics were taken in a hurry last night. Enjoy!

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Postby Simba » Fri Dec 29, 2006 10:35 pm

toayoztan wrote:3mm 360degrees would be nice, but i didn't find any on superbrightleds.com either.


I found some ~120 degree 3mm white LEDs which I'm going to try next. They should do the job. Else, I may drill the light holes out for a 5mm LED.

I should note that it's considerably easier to find 120+ degree 3mm LEDs in just about every color except white. But I had to be special. :twisted:

Oh, i was going to mention, could it have been possible to slightly angle the illumination LED for the rear defrogger to face foward more?


Yes, but you need to hook it up and make certain you have the polarity correct on the illumination LED, else you'll be screwed if you have to turn it around. I'm going to bend the new 3mm LED 90 degrees or so when they come in for that bulb.

Hopefully I can get everything as bright as the fog light switch, then turn the intensity down so it's all a nice white glow.

Lots of fast, loud things.
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165 Gauge

Postby Qlynxer » Sat Dec 30, 2006 12:09 am

Here are some quick pictures i snapped of my 165 gauge cluster. I replaced all eight 194 bulbs and all eight 74 bulbs as well. Of the eight larger 194 bulbs, four of them are for background lighting, two for the signals, one highbeam and one low fuel warning light. For the smaller lights i think half of them are red and the other half are amber. The smaller bulbs were a pita since they dont fit the housing and some material had to be sanded away and some of them don't work well like the defogger light, and the hand brake indicator is always dimly lit. The only ones that seemed to really make a diffence were the four background bulbs. If were to do it agin i would just replace those four. I tried the green bulbs but they turned out ricey because the were just too damn green compared to stock which is a more mellow shade of green, looked like i was staring at a Klingon tactical display.
Image

[img=http://img293.imageshack.us/img293/8468/pict0466af1.th.jpg]

in the picturse, the lighting looks a bit brighter then it does in person, but still a huge improvement over stock. I order from superbrightled and they ship very fast.

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Postby justjoe » Fri Jan 05, 2007 7:11 pm

Hey guys..

I am currently gathering All the LED's to do not 1 but 3 Toyotas..
and do I have a grocery list!

The only real mystery is the HVAC illumination..

To which I have found these:

HVAC illunination LEDs
Expensive ones..
5/$20
http://www.ledtronics.com/ds/BSD-1838-0Ux/default.asp

Cooler and cheaper ones..
@2.99 each
http://autolumination.com/74.htm
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Postby Simba » Fri Jan 05, 2007 7:37 pm

justjoe wrote:The only real mystery is the HVAC illumination..

To which I have found these:


Those are normal narrow-focus #74 size leds in a twist base. The HVAC doesn't use #74 bulbs, it uses smaller bulbs.

Lots of fast, loud things.
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Postby justjoe » Sat Jan 06, 2007 1:11 am

Simba wrote:
justjoe wrote:The only real mystery is the HVAC illumination..

To which I have found these:


Those are normal narrow-focus #74 size leds in a twist base. The HVAC doesn't use #74 bulbs, it uses smaller bulbs.


Oh.. Please do not look at the 74's (both on that page) They are too expensive anyhow..
http://autolumination.com/74.htm
Just look at the Neo Wedge ones.. for the Actual illumination of the HVAC.
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Postby justjoe » Sat Jan 06, 2007 5:23 am

Let me shed a little more light on the HVAC illumination (sorry for the pun)

HVAC illunination incadescent bulbs come in at least 3 sizes:

Dimensions:
small (TS) - used for HVAC illumination
base diam-7.6mm
base thick-2mm
bulb-4.5mm
neck-4.75mm
height-10.5mm~11.5mm

medium (TS) - used for defrost illumination
base diam-7.6mm
base thick-2.3mm
bulb-3.5mm
neck-4.6mm
height-10mm

large (TSD V-2) - used for defrost ON
base diam-7.6mm
base thick-2mm
bulb-4.5mm
neck-6mm
height-12.5mm

It looks like maybe the LED ones from these Online stores will only with the Defrost or the Fog maybe.. ?? no tellin. Hardly even work dorkin with, if I can only use it for maybe 2 things.. =( I would rather Solder the darned things up.. since I got my tiny 1k resistors..=)

I saw that Simba went and wired up some LED's.. for his defrost and fogs.. Did that 45 degree one work OK?

Now I just gotta figure out if those 360-degree bulbs from superbrightLEDs.com will work in red.. and still fit right..
a T1-3/4 is 5mm
and T-1 is 3mm, right?
I know they are diffused and not clear..
http://www.superbrightleds.com/leds.htm

I am sorry if this is TOO much info..
Why does this have to be soo confusing?

Also, Why did you guys take apart the Defrost switch? You can get to the lights without taking everything apart.

So, Simba.. where can we find some good 360 degree 3mm LED's???
Last edited by justjoe on Sat Jan 06, 2007 4:13 pm, edited 2 times in total.
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Postby toayoztan » Sat Jan 06, 2007 8:41 am

The dimensions for the bulbs you gave is for the HVAC of a 1990-91.

Well, i figured out that defroster switch the second time through heh. I think what we're both saying is that it's a pain in the ass to get the defrost unit out, period.

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Postby Simba » Sat Jan 06, 2007 6:30 pm

justjoe wrote:It looks like maybe the LED ones from these Online stores will only with the Defrost or the Fog maybe.. ??


They won't work anywhere, as they're not 180+ degree lights. The only place they'd work would be in the gauge cluster, though it's cheaper to just make your own with #74 wedge LEDs.

I saw that Simba went and wired up some LED's.. for his defrost and fogs.. Did that 45 degree one work OK?


The 3mm works decently, but not great. I have some ~120 degree LEDs on order which should work better.

Now I just gotta figure out if those 360-degree bulbs from superbrightLEDs.com will work in red.. and still fit right..


The 5mm 360 degree LEDs work fine in the large #74 size holders, which so far as HVAC and dash controls go, work for the fog light switch illumination, the "on" illumination for the defrost switch, and the "on" illumination for the AC switch. They won't fit anywhere else, and yes, the red one works in the #74 holders, I'm using one for my defrost "on".

Also, Why did you guys take apart the Defrost switch? You can get to the lights without taking everything apart.


For the hell of it, as well as to re-grease the contacts and make sure the LED clearances inside were good. Taking the switch itself apart is easy. Taking it out of the cluster is a complete PITA.

So, Simba.. where can we find some good 360 degree 3mm LED's???


You can't, at least so far as I've found. The closest is a 120 degree 3mm which I found from a bulk supplier. I had to order 100 of them to get any.

If you're going with a color other than white, you're probably better off staying with a normal bulb with a color condom until someone brings out a 3mm 180+ degree LED.

Lots of fast, loud things.
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Postby justjoe » Tue Jan 09, 2007 3:36 am

Hrmm..

I wonder if ones like this would work...

http://www.hebeiltd.com.cn/?p=leds.4.8mm

4.8mm through-hole LED lamps
Superbright led diodes
Extra large viewing angle 170 degree ?????
ImageImageImage


Now, to get them and not have to order 1000 from china! =)

OR These??
http://www.ledtronics.com/DS/CL120/default.asp
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Postby Simba » Tue Jan 09, 2007 4:14 am

justjoe wrote:4.8mm through-hole LED lamps


Too big.



Same supplier I ordered my 120 degree whites from, so, hopefully. :P

Lots of fast, loud things.
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Postby Denver_whiteST185 » Tue Jan 09, 2007 4:45 am

wow brian, those gauges look amazing. now only if i could only do that mod in blue....
^Ted^

went back to the dark side of hondas!!!
(not really, i just own a completely UNmodified 91 civic dx that gets 45+ mpg now)
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Postby justjoe » Tue Jan 09, 2007 4:53 am

I don't see why you cannot do it in Blue.. since Blue LED's are available..
on SuperbrightLEDs.com

And Simba.. how many did you have to order from LEDtronics? like 100 pieces?

For these:
http://www.ledtronics.com/DS/CL120/default.asp

Series CL120CW

CL120CWR3K - 180-degree RED LED

joe..
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