Projector Headlights Corolla - Toyota Nation Forum : Toyota Car and Truck Forums
Corolla 9th Gen/1st Gen Matrix (2003-2008) 9th generation Corolla and 1st generation Matrix discussion.

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post #1 of 24 Old 12-30-2018, 02:39 PM Thread Starter
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Projector Headlights Corolla

I just picked up a set of Depo Projector headlights today. Hoping someone can help me with the wiring and has the same set. The wiring in question is at the bottom of the assembly. It looks like they aren't being used. Just bypassed?
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9th Gen Corolla XRS
2012 Mazda 5

"If it ain't broke yet, it's probably still working like a Swiss time piece; until you open it up and all hell breaks loose"
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post #2 of 24 Old 12-30-2018, 03:21 PM
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DRL and halo rings use separate wiring. This way you can use them how you like. I am guessing about Depo because I have no experience with that brand but other brands kept them separate

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I just picked up a set of Depo Projector headlights today. Hoping someone can help me with the wiring and has the same set. The wiring in question is at the bottom of the assembly. It looks like they aren't being used. Just bypassed?

2018 RAV4 Limited AWD
2008 Corolla S

Last edited by GREENPUS; 12-30-2018 at 03:24 PM.
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post #3 of 24 Old 12-30-2018, 03:23 PM Thread Starter
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Where is the halo wiring? The bundle attached to the assembly? I got 3 sets of ballasts. The PO wired his Corolla that way.

My drl is disabled.

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9th Gen Corolla XRS
2012 Mazda 5

"If it ain't broke yet, it's probably still working like a Swiss time piece; until you open it up and all hell breaks loose"
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post #4 of 24 Old 12-30-2018, 03:36 PM Thread Starter
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These are all the modules I got from PO. Missing a socket and connector for the H1 low beam.
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In the garage,

9th Gen Corolla XRS
2012 Mazda 5

"If it ain't broke yet, it's probably still working like a Swiss time piece; until you open it up and all hell breaks loose"
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post #5 of 24 Old 12-30-2018, 03:37 PM
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First. Are depo good headlights never tried them before. Also are they CAPA certified. Thanks.
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post #6 of 24 Old 12-30-2018, 03:59 PM
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The bundle of wires are probably for the LED DRL which is 12v -+ and halo -+

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Where is the halo wiring? The bundle attached to the assembly? I got 3 sets of ballasts. The PO wired his Corolla that way.

My drl is disabled.
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post #7 of 24 Old 12-30-2018, 04:22 PM Thread Starter
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I just realized that I have the H1 needed for these lights. Though, I don't know if I will use the HID ballast on the high beam. Still missing 1 bulb to do it though.

In the garage,

9th Gen Corolla XRS
2012 Mazda 5

"If it ain't broke yet, it's probably still working like a Swiss time piece; until you open it up and all hell breaks loose"
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post #8 of 24 Old 12-30-2018, 05:46 PM Thread Starter
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Okay, I figured out the bulk of wiring. Unfortunately, these aren't Depo's. They are made by Sonar which looks similar to Spyder.

I figured out that the Halo wiring has ground, constant, and switching +12v all sorted. The confusing part is the leads to go to the turn signals are both white.

Since I have 3 sets of modules, I need help figuring out the high beam and the one for the halo/led. I know which is for the low beam, but I don't wanna mess up.

TIA.

In the garage,

9th Gen Corolla XRS
2012 Mazda 5

"If it ain't broke yet, it's probably still working like a Swiss time piece; until you open it up and all hell breaks loose"
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post #9 of 24 Old 12-30-2018, 06:03 PM
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Vague directions here. I would think the 2 HID modules used for HID bulbs and possibly the third is for the Halo or LED DRL. I dont think these have the LED DRL

https://www.tunersdepot.com/2008-toy...ts-124365.html

2018 RAV4 Limited AWD
2008 Corolla S

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post #10 of 24 Old 12-31-2018, 05:38 AM Thread Starter
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On either assembly, there are 3 led sockets and those are wired to the base of the assembly. There is another socket that's wired with a twist cap.

This wiring has 2 leads that goes to the parking lights. The black and red wires goes to the high and low beam halos.

High beam bulb is H3B. Guess the module is needed for this bulb?

Edit : AFAIK, both low and high beam were setup for HID by PO. The only question is the black module was used to power the halos and LED bulbs? Can't find any information printed on this module. I can just wire these into the parking lights, though in the link provided, there was no mention of a module used. Thanks.
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In the garage,

9th Gen Corolla XRS
2012 Mazda 5

"If it ain't broke yet, it's probably still working like a Swiss time piece; until you open it up and all hell breaks loose"

Last edited by 75aces; 12-31-2018 at 05:47 AM. Reason: More
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post #11 of 24 Old 12-31-2018, 09:42 AM
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That 3rd plain black "module" is just another hid ballast and ignitor. Do not hook that up to your parking or turn signals. I would toss them because I can see in the pics that one igntor has some melting. I also would use hid in the high beams. The halos and led bulbs can be tied into the parking lights or their own external toggle switch.
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post #12 of 24 Old 12-31-2018, 10:15 AM Thread Starter
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Thanks for pointing that out. I am just going to wire halo and led to stalk. Or will that cause issues later?


Edit : Universal H3B bulb for HID or do I need something more specific?

In the garage,

9th Gen Corolla XRS
2012 Mazda 5

"If it ain't broke yet, it's probably still working like a Swiss time piece; until you open it up and all hell breaks loose"

Last edited by 75aces; 12-31-2018 at 10:34 AM. Reason: Edit
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post #13 of 24 Old 12-31-2018, 01:10 PM
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Wiring them to come on with the stalk should be fine. I've had headlights like these before and that's how I did it with no issues. If that headlight housing uses an H3 then and H3 hid bulb should be fine.
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post #14 of 24 Old 12-31-2018, 01:57 PM Thread Starter
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I haven't used a T tap. Is it pretty straight forward? No need to strip the wire from the head light assembly?

I saw a couple of videos where the large gauge wire was placed in the housing of the t tap, but no strands showing.


Edit : I see it's not a T Tap connector. I don't know the actual name, but it can hold both a small gauge and a large gauge wire.

In the garage,

9th Gen Corolla XRS
2012 Mazda 5

"If it ain't broke yet, it's probably still working like a Swiss time piece; until you open it up and all hell breaks loose"

Last edited by 75aces; 12-31-2018 at 03:05 PM. Reason: Correction
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post #15 of 24 Old 12-31-2018, 04:39 PM Thread Starter
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What's the distance needed to aim the beams? Planning to use the current beam pattern and align the new assemblies to the same pattern.

In the garage,

9th Gen Corolla XRS
2012 Mazda 5

"If it ain't broke yet, it's probably still working like a Swiss time piece; until you open it up and all hell breaks loose"
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