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What is the size of the HVAC bulb?

One of mine is blown and no shops around here seems to know what size it is... FSM doesn't state it and the owners manual seems to have skipped it too. Even the Nissan parts guy didn't know, but he did offer me a $30 harness with the bulbs in them. $30 to replace a bulb, hmmm... I passed.

TeknoKid wired up 194 bulbs, has anyone else done that?
http://www.nissanforums.com/showthread.php?t=32562&highlight=HVAC

I know it's a very small wedge bulb, but that's about all I know.
And also is there an LED bulb that would work there? Pre-assembled or home-made is fine with me.
 

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FatBoy4 said:
What bulbs go in the button for your hazards and your defrosh?
I'm not sure but I don't think the B14 Hazard Button has a light in it, if it does then mine never worked. hahaha

As for the Defrost Button, my wild guess would be the same as the HVAC lights... Tekno told me it's 74, and neither of us can find a replacement bulb for that size.

But if you are desperate, the light for the Driver Side Auto Window Down switch is the same size... If you don't care if it works or not, just take the bulb from there. (Please don't ask me how, I broke that one trying to take it out. lol)
 

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These are from my 95 Owner's Manual:

Item : Wattage(W) : Bulb No.

Headlights (Type A) : 65/45 : 9004
Front combination light (front turn signal) : 27/8 : 1157NA

Rear combination light
Turn signal : 27 : 1156
Stop/Tail : 27/8 : 1157
Back-up (Sentra) : 13 : 912
Back-up (200SX) : 13 : 1156

License plate light : 5 : 168

High-mounted stop light : 13 : 912

Trunk lid-mounted stop light : 13 : 912

Front fog lamp : 35 : H3(Special)

Interior light : 8 : (blank)

Trunk light : 3.4 : 158

Here is what isn't in the manual:

Gauge cluster (speedo-tach-etc) : ? : 194
HVAC : ? : 74
Driver auto window down : ? : 74


The only bulb that I don't know is the "rear defrost".
If there is a "hazard" button light, mines not working and I need that... Also the low fuel light, I see something there but it never lights up.
 

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FatBoy4 said:
Well i found some LED 74. on ebay
Are you talking about these?
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=33713&item=2463505607
For the HVAC, looking at it... If it's not an inverted LED, I don't think it will dispurse the light evenly through the face.
Tekno said it didn't work well when he tried it, but you'll have to ask him for more info on that cause I didn't try it. (I don't know which type of LED he tried.)

It is possible to use a 194 bulb... So when I get the LEDs for my guages, I'm going to get a few extra for my HVAC cause using the standard 194 bulbs makes too much heat in the HVAC and the LED emits less heat.
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=33713&item=2464617706
 

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I don't know what size the bulbs are for the turn signal blinker in the dash pod, but if you plan on replacing it with coloured bulbs/LEDs... I don't think it would work cause the thing that makes it green is the plastic sheet infront of the bulb.

But if they are the same size as the HVAC bulbs, I was told it was size 74.
 

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FatBoy4 said:
acouple if things.

1. I have small bulbs in my gauge pod. They are in a BLUE HOUSING smaller than the 194.
Huh? Didn't you say you got LEDs?


FatBoy4 said:
acouple if things.

2. WHat size goes in the damn HAZARD/DEFROSH has anyone figured it out?
For a B14, I don't think the Hazard "Button" (if that's what you are talking about) has a bulb in it. Don't know the size of the Defrost "Button" bulb.
 
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