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Old 10-21-2003, 08:15 PM   #1
kbcr3
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Default HID kit install on a 2004 wrx

Has anyone done the HID install on a 2004 wrx? I am planning on doing it this weekend and would like to know what I'm walking into. Include pictures, if any.
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Old 10-22-2003, 12:51 PM   #2
kbcr3
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anybody? c'mon! be a buddy. Don't make me beg...fine...i'm begging...anybody?!!
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Old 10-22-2003, 02:13 PM   #3
phwishpow
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Okay. I did my '04 HID a few weeks ago. I cannot say what you are in for, but I can tell you what I did. I dont have any pics as I lent my cam to a friend.

Some issues I had... there is a round protective cap with the power wires going through it on the back of the H1 bulb housing. I needed to remove the whole thing (you can unplug the wires from the bulb and the other end from beneath the headlight assy) so I could punch a hole (22mm dia. in my case) and fit a grommit (included with my setup) to allow the new power wires to pass through before re-install.

I powered the ballasts directly off of the battery and chassis ground and used the original headlight power wires to throw a relay to turn on the lights. This means that I should not be able to overpower the original wiring harness as it is now isolated from the HID's

One very peculiar thing I ran into was that it appears that the black wire of the original headlights (used to switch the relay) is the power and the red is the ground. Get a voltmeter and check this yourself.

Also you need to unplug the DRL from behind the glove box (about 7 screws to drop it down) so that circuit does not run the lights all of the time. With my relayed setup, I would not have the issue of underpowering the ballasts, but I would not be able to turn them off. You can search for a good FYI on doing that.
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Old 10-22-2003, 06:00 PM   #4
FryRice
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You shouldn't remove the plastic cap... it's a big no no..... when it rains or you wash your car, water do get in to it............ you should dremel a hole on the cap
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Old 10-23-2003, 07:10 AM   #5
phwishpow
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I removed it so that I could use a chassis punch (tool to make a very nice, clean hole) to fit tightly the grommit supplied with the kit. It was re-installed and should be H20 tight.
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Old 10-23-2003, 07:21 AM   #6
kbcr3
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any pics?
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Old 10-26-2003, 04:31 PM   #7
kbcr3
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First off, I envy those '02 and '03 owners who have installed similar systems in the Rex. The '04 install was a pain in the butt, but the results are well worth it. I purchases a McCollough H1 kit. I wound up replacing the blade connectors that came with the HID kit with smaller blade connectors that would hookup better with the stock wiring. Instead of using a punch to make the hole in the headlight cap, I simply took off the cap and used my trusty electric screwdriver and a filing bit. I ground out a hole in the cap just large enough for the plugs to fit through. I then sealed the hole, not with a rubber grommet, but with some waterproof high heat epoxy. I tested the lights before the epoxy was applied. The epoxy needs a full 24 hours to completely solidify, but i noticed that after an hour it was very very tacky. The lights look amazing and definitely recommend the kit. I purchased the 5300k kit. They look purty. I have pictures of most of the install, so if anyone wants them, PM me.
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Old 12-01-2003, 02:42 AM   #8
meteora
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hi guys...i've got a 04 and not sure still how to connect the power supply. i've got the mcculloch 5300kit with the blade connectors. what do i need to do? do i have to cut my factory connector plug and hard wire them to the ballast wires to power them up? or if i want to wire up the factory plug to throw on the relay, do i have to splice and solder??

need help here guys! thanks in advance.
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Old 12-02-2003, 07:51 PM   #9
kbcr3
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Default hid kit

If I remember correctly, the mccollough kit's blade connectors are a little too large for the stock connectors. So, i cut the wires on the kit just before the blade and crimped on smaller blades. The kit side is a male connector and its too wide. (my male connector doesn't have that problem...hahahaha (insert male genitalia joke here)). The blade connector can be soldered to good measure after you have finished. If i were you, i wouldn't solder the kit to the factory system, just in case for some reason you either messed up the wiring or you have to put the stock system back on. The color scheme, actually, on the McCollough kit was reverse of the car's colors. I think i hooked up black to black or something like that and it didn't work. If i had soldered the connections I would have been screwed at this point. The kit will take some drilling into that black cap on the rear of the headlight in order for the wiring to get it. I drilled a hole dead center. let us know if you still need more help. i will check back from time to time.
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Old 08-01-2004, 01:36 AM   #10
casualsurfer
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I want to thank phwishpow for his comments on the wiring being backwards (black is positive on the light!)

This may be a trick by Subaru to prevent people from using aftermarket lights?

If you install HID kits, please note that the wires on the 2004 seems to have opposite polarities as we are used to.
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Old 04-25-2005, 12:17 AM   #11
jaskillz
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Quote:
Originally Posted by casualsurfer
I want to thank phwishpow for his comments on the wiring being backwards (black is positive on the light!)

This may be a trick by Subaru to prevent people from using aftermarket lights?

If you install HID kits, please note that the wires on the 2004 seems to have opposite polarities as we are used to.
WAIT?! so you hooked up the red wire from the ballast to the black wire from the factory harness and the black wire from the ballast to the red wire from the factory harness?! and this made the HID work?!
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Old 04-25-2005, 01:33 PM   #12
Rick G
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Quote:
Originally Posted by jaskillz
WAIT?! so you hooked up the red wire from the ballast to the black wire from the factory harness and the black wire from the ballast to the red wire from the factory harness?! and this made the HID work?!
also check this out: http://forums.nasioc.com/forums/showthread.php?t=437122
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