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Thinking Man's Engine
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Discussion Starter · #1 ·
How to change your bulbs

So you got these bulbs laying around, and wondered how to do it.....

Headlights (9007)
1.Open the hood (duh)

2. Pick a side and start there.

3. For the headlamps (9007), on the connector, there's a serrated edge (on top), squeeze it, and pull out the connecor.

4. Unscrew the retainer (the big black plastic thing) and remove the bulb.

5. Insert new bulb (may be a good idea to clean the bulb with some rubbing alcohol) and put everything back together.

Fog (H3)
1. Remove three screws (but not the adjuster). use a 10mm socket with a 6" extension or a Phillips screwdriver (I use a 10mm socket, Jim uses a screwdriver)

2. Remove the foglight assembly from the bumper

3. At the back remove the cap of the foglight housing and you'll see the bulb.

4. Push in the metal spring and rotate it out of the way

5. Remove the old H3 bulb, noting its orientation (rectangular notch and half circular notch)

6. Pull on the wiring connector to remove male disconnect of the fog bulb

7. Install new bulb, and lock it into place with the spring retaining clip.

8. Shove the male connector in (angle it in)

9. Reassemble carefully

Turn signals (1156)
1. Loosen the cap of the connector (it's very tight) then twist out the bulb and reinstall everything.

haven't got to the parking lights (or those europeans call it "city lights") yet.
 

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The running lights are the easiest bulbs to change out, just pop out the connecter port for it and then pull out the peanut bulbs and replace. no need to clean it with rubbing alcohol cause it isn't a halogen. sweeeeeeet.

for the front to side bulbs, you have to remove the headlamps, and there's a hole big enough to just stick your arm in. pop out the reflector, and then just pop out the bulb. again it's just a peanut bulb, and the reverse the process.


--RaCinWRX
 

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Sorry, i forget that's what only we call it (in my lil group/area)

it's the 12v 5w wedge bulb, i believe (not sure on the number). for the hyper white bulb i bought from hibrid, it's a T10 bulb.

--RaCinWRX
 

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Thinking Man's Engine
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Discussion Starter · #5 ·
I guess you got either a Raybrig or Polarg bulb. One of the uses "T10", as their part number.

The common nomenclature for the wedge bulbs are

168 (5W)
194 (3.5)

If in Europe, W5W.
 

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Tan, how come you know so much intimate detail of the WRX when you have a VW? (not complaining... just wondering)
 

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Thinking Man's Engine
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Discussion Starter · #7 ·
beastcivic said:
Tan, how come you know so much intimate detail of the WRX when you have a VW? (not complaining... just wondering)
Here's the quick story:

Last Saturday, I was bored and driving all around, stopped by PlatinumWRX's house. Asked him how he liked the PIAA Superwhite.

To my suprise, he didn't install them yet, they looked too "hard" to do (compared to the Link ECU). He had his hood up earlier, took a quick look, so I knew they weren't that hard to do (because my old car had 9004 bulbs, same socket).

10 minutes later, finished up the headlights (trying to figure out how to remove the connector plug, since it was slightly different from my old car, and my parents Caravan, and Jimi removed the the holder also with the connector plug still attached.

Then we did the fog lights, straight-forward to do.

I was curious about the turn signals, and did it real quick.


The real reason, let's say I'm a car-enthusiast who appreciates most cars instead of bad mouthing every car but the WRX (like a certain someone that drives a competitor's car for the same price point).

You guys have it easy compared to replacing the H7's in my Golf.
 

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Ok, cool. I'm with you. I'll work on any car regardless of what I think of it. I like cars for being what they are. I just don't turn my head for mini vans.... or semi-luxury cars, etc.
 

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Your basic description of changing the headlamp bulb is interesting...you are changing out the WRX bulb, right? The '02 model? I tried and could found it difficult to get my hands on the connector with the leverage to disconnect the connector. I don't have the hands of a five year old. Any more hints?
 

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Thinking Man's Engine
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Discussion Starter · #10 ·
The passenger side, you remove the air duct out of your way.

Jim did the passenger side after I instructed him how to do it, and he definitely has bigger hands than me. The screw on holder of the bulb housing does get in the way also.,
 

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Thinking Man's Engine
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Discussion Starter · #11 ·
What are my light bulbs?

From www.sylvania.com/auto/carapp/

High & low beam headlamp
Part number = 9007


Upgrade Part Number = 9007ST
"Silverstar High Performance Halogen Upgrade - Whitest, Brightest, 100% Street Legal"

Upgrade Part Number = 9007CB
Cool Blue Halogen Upgrade - White Hot; Super Cool; 100% Street Legal

Upgrade Part Number = 9007XV
XtraVision Halogen Upgrade - Up to 20% Brighter than standard

Upgrade Part Number = 9007LL
Long Life Halogen Upgrade - Lasts 3x longer




Parking light
Part number = 168


Front turn signal
Part number = 1156
Upgrade Part Number = 1156LL
Long Life Upgrade - Up to twice the life of the standard lamp


Tail light
Part number = 7443


Stop light
Part number = 7440

Part number = 7443


High mount stop light
Part number = 912 (Wagon)

Part number = 921 (Sedan)
Upgrade Part Number = 921LL
Long Life Upgrade - Up to twice the life of the standard lamp


Fog/Driving light
Part number = H3-55W


License plate
Part number = 168


Back up light
Part number = 7440


Front sidemarker
Part number = 168


Rear sidemarker
Part number = 168


Ash tray
Part number = 74


Map light
Part number = 168


Dome light
Part number = DE3175


Trunk/Cargo area
Part number = 912 (Sedan)

Part number = 921 (Wagon)
Upgrade Part Number = 921LL
Long Life Upgrade - Up to twice the life of the standard lamp
 

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Thinking Man's Engine
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Discussion Starter · #12 ·
junaitari said:
Tan, where do you find all this stuff? Seems like you're always putting good info out there. Thanks!!
See the link I posted above.....


Oh yeah....

Difference between 168 & 194? Both peanut (wedge) are virtually identical except:

168: 5 watts
194: 3.5 watts
 

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Thinking Man's Engine
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Discussion Starter · #13 ·
Myths and some Science of Light bulbs

Quick post about myths of light bulbs, in particular headlight and fog lighting.

The main motivation is the market of halogen bulbs to mimic true HID (High Intensity Discharge, Xenon) systems.

Myth 1:They are brighter than stock halogens
a. Put easy put it, they are not. White light is all the visible (to the human eye) wavelengths together.

b. In order to produce the "HID" like qualities, manufacturers typically utilize a coating or tinting of the glass.

c. This tint or coating is a Filter. Filters well, to put it in laymen's terms, separate things and let only certains items pass. In lighting terms, it will output only the specific wavelength it was designed for....some sort of blue color (most on the market). Of course with coatings, there will be voids or imperfections (coatings people call this "holidays") were the light isn't filtered.

d. Thus you actually reduce the light output. But our perception makes us think it's brighter.


Myth 2:Higher Color Temperature is better
http://www.piaausa.com/glossary.html has a nice color temperature chart

a. See myth one. White light coming from regular halogen bulbs is approximately 3200°K. Sunlight in the the neighborhood of low 5000°K. True HID systems are typically 4300°K. Halogen lighting is a different mechanism than HID (heated resistor versus arcing). Again see myth one.

b. Color Temperature is not directly associated with output, measured in lumens. So due to myth one, you get reduced lighting.

Myth 3:55/65 W -> 100/110W, PIAA marketing for Superwhites
a. Anyone hear of the Laws of Thermodynamics? There is no such thing as a "Perpetual Motion Machine"

b. Energy in = Energy out. Most of the energy out is heat. Someone said "Energy cannot be created nor be destroyed".

Myth 4:High Wattage bulbs are safe to use
a. Since filters reduce light output, what do manufacturers do to compensate? Increase the power.

b. Fine and dandy, put the extra heat generated, may (I suffered this before) damage the immediate wiring and the headlight connector. Some say it will damage the polycarbonate lens (I don't know since my old car used a glass len). And it may also damage the electrical system (Done that before using 50 watt reverse bulbs sold at an auto parts store). Many have hooked up relays to compensate. The connectors aren't readily available at the local Pep Boys or radio shack.


Myth 5:The package says Xenon
Halogen lighting is tungsten filament and mostly Krypton gas. Some manufacturers add a trace amount of Xenon gas, just to advertise "Xenon", truth in advertising at least.


Myth 6:Overall they perform better in all weather conditions
Driving from personal experience, yes they seem a little better when the road is dry, but when the weather becomes foul (or fresh asphalt), much of the light is absorbed into the black asphalt....so you'll be driving blind. Some suggest the blue wavelength refracts and reflects more readily also.


-----------------------------

Well if you want the look, by all means.
 

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So do you think that any of the replacement bulbs available are an improvement, while still being safe for the electrical system? Possibly the Sylvania XtraVision bulbs listed in your bulb part# reference thread?

Thanks for all the good info. Keep it coming!

Chris
 

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Thinking Man's Engine
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Discussion Starter · #15 ·
Just avoid the 80/100W bulbs, and other higher wattage bulbs.

I have tried Sylvania XtraVisions in the past, and I do recommend them.

The Sylvania Silverstars are a decent alternative to PIAA superwhites (not nearly as costly), as are Cool Blue/Phillips BlueVision/GE Super Blue (lighter tint than Silverstars, are are still yellow during the day time).

I'm using a bulb imported from Europe (though it's not DOT approved), Phillips VisionPlus. Though for the North American spec WRX, they are not available.

In the lighting forum of VwVortex.com, all the regulars recommend Phillips VisionPlus (though many forget they are not available in 9007 for the NA Spec Jetta), which is a non-tinted bulb. Whenever someone brings up a fake HID bulb, people get flamed way too quickly (they don't respect people who really want the look)

Overall Performance is non-tinted for headlights.
 

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Tan obviously has an engineering background....

I agree completely. I once had a set of 55 watt fog lamps from Hella, into which i wanted to place 100 watt bulbs. I did it, and got the proper fuse for the wattage at 12v. They were INCREDIBLY bright. But what happened? One night while i was aiming them (ie i had them on with no air passing around them to cool them) they caught fire right at the lense....
 

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A friend got some "brighter" lights and they did in deed seem brighter, but he started yelling "speed bump!" and I didn't slow down in time because I couldn't see them. The stupid lights washed out the color soo much that I couldn't see the bump.
 

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I used to have those blue bulbs in my outback (both the headlights and the fogs). I also had some regular halogen driving lights.

one night, while driving back from a day of snowboarding at Breckenridge, I got caught in a blizzard. In almost whiteout conditions, the only way I could see ANYTHING was to turn off my headlights and foglights and run with the normal colored driving lights.

Blue bulbs reflect off of snow 10 times more than regular bulbs (no that's not a scientifically proven fact...I'm just exagerrating) Stick with the normal color and get some yellow fog bulbs.
 

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i just realized something - tan makes a very comprehensive overview of lighting systems in cars

mods, can we make this one a sticky?
 

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Anyone has experience with the Hella 100/80W bulbs? These are Halogen bulbs and Hella is not advertising them as Xenon bulbs. They are supposed to be really bright. I'm upgrading my plug to accept the heat these bigger bulbs put out. The plugs are being sold for ~$3 each.
 
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