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Thread: DIY: JDM foglight install

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    t3h ub3r m3mber shazapple's Avatar
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    DIY: JDM foglight install

    *****WARNING! These are measurements I took and are not completly accurate. These are only to be used as a guide. I am not responsible for anyone mangling their bumper.

    Expect to put a lot of hours into this. I took it slow and I put about 12 hours into finishing everything up.

    If any parts need clarification then please tell me and I will fix it!

    Post 1 - General info
    Post 2 - Removing bumper
    Post 3 - Cutting bumper
    Post 4 - Bracket & bumper beam modification
    Post 5 - Mounting
    Post 6 - Wiring
    Post 7 - Finished product

    Tools
    -needle nose pliers
    -phillips screwdriver
    -10mm socket and wrench
    -flathead screwdriver
    -hacksaw blade
    -file
    -wire cutters and crimpers

    materials
    -JDM foglights
    -16 or less guage wire
    -various wiring connections
    -Approx 1" 5/16" bolts and nuts
    -lock washers
    -masking tape
    -electrical tape

  2. #2
    t3h ub3r m3mber shazapple's Avatar
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    Removing Bumper

    Remove grill
    Use a flathead screwdriver or needle nose pliers to undo the 4 clips on the top of the grill, then pull out and up. There are two hooks lower on the grill which you have to disengage.


    Remove headlights
    Remove the turn signals by taking out the one screw and then pulling with a bit of force. This gives you access to the 4th bolt on the headlight. Use a 10mm socket to remove the 4 bolts circled in the picture.


    Bumper
    use a 10mm socket to remove the one screw on each side of the bumper. These are located in front of the wheel well.


    Underneath there will be two 10mm bolts to remove


    There are several plastic tabs on the top of the bumper. Use a flathead screwdriver to pop up the center and pull it out if you can (as shown in the picture). This allows for easier removal and reinstallation of the outer piece

    There are 4 more tabs located in the middle of the bumper. These will not separate but are easy to remove and install.


    The splash guards may or may not be connected to the bumper, but check them out cause they need to be moved for convenience.

    Now you are ready to remove the bumper skin! I suggest putting tape all around the foglight holes and on the center of the bumper to avoid scratches. Also lay down some large rags on the floor.

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    t3h ub3r m3mber shazapple's Avatar
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    Cutting
    Heres the appoximate area to cut. From top to bottom the measurements are 3.5", 2", 1.5" and then to the bottom corner.


    3" and 1 3/4"


    Be sure to remove the lip at the bottom of the hole as well. I used the metal tabs on the foglight as a guide to where the foglight would sit against the bumper



    after cutting


    Fit

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    t3h ub3r m3mber shazapple's Avatar
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    Bracket and bumper beam modification

    Bracket modification
    You will need to cut off part of the bracket in order to make it fit on the bumper beam. Cut the parts lined in yellow.


    You also need to flatten the bracket out slightly. Two holes need to be drilled. From the 3rd pictures you can see I drilled one of them 3.5" from the right and 2.75" from the bottom. The other is 6.5" from the right and 3" from the bottom. I made my holes slightly larger than my bolts so I had some room to play.

    Bumper Beam
    cut the bottom of the bumper beam for extra space for the bracket
    Unmodified vs modified

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    t3h ub3r m3mber shazapple's Avatar
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    Mounting

    The semi horizontal line in drawn on the bracket in a previous picture lines up with the back of the bumper beam. I found this to be the approximate location for the lights to fit in my bumper holes.


    With my holes already drilled in the bracket I used a paint marker to mark where to drill on the bumper beam.
    underneath bumper beam, inside bumper beam


    1" bolts work well to mount the bracket. I also used lock washers in the inside of the bumper beam. I thought I would need the normal washers but turned out I didnt.



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    t3h ub3r m3mber shazapple's Avatar
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    Wiring

    Heres the basic wiring diagram I used (although I did not use a fuse between the parking light and the switch

    I located the relays next to the battery, so some wires do not have to be very long.

    Run 3 wires through the firewall of your car to your switch. I used the hole to the left of the brake system. See this thread
    https://sl-i.net/FORUM/viewtopic.php?t=465


    One wire goes to the projector relay, the other wire goes to the side bulb relay, and the third wire you can hook onto any power supply. It determines when the relays will be active (I used the same wire for both switches/relays) I used the parking lights as the power supply, therefor when the car is turned off or the parking lights turned off then the foglights will also be off.


    A relay has 4 terminals that each have a number.
    30 - 12v fused power supply
    85 - ground wire
    86 - switch wire
    87 - foglight power wire

    Power wires to the relay


    Ground wires for relays


    Relays and fuses.

    I used a 15A fuse for the projectors, and a 7.5A fuse for the side bulbs. Amperage = Power divided by Voltage. the projectors are 55w each, and the battery is 12v, so 110/12 = 9.6A, so a 10A fuse would barely do for the projectors.

    See either of these threads in order to wire up a stock foglight switch
    http://www.scoobymods.com/forums/showth ... ght+switch
    https://sl-i.net/FORUM/viewtopic.php?t=2217

  7. #7
    t3h ub3r m3mber shazapple's Avatar
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    Finished product


  8. #8
    "FNG"
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    Awesome write up!

    I've got a white wagon, wanna trade bumpers
    98 GT Wagon

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    t3h ch33se Wiscon_Mark's Avatar
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    Bravo!

    Excellent writeup Lee, you are a god.
    ~Mark [SLi Admin]
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    Former vehicles:
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    SLi nOOb JPaul99GT's Avatar
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    so the markers come on only with your turn signals right? not with the parking lights. it ended up turning out really good. how long did it take you total?
    ~JPaul
    White 99 Legacy Gt

    http://www.cardomain.com/ride/2136143

  11. #11
    t3h ub3r m3mber shazapple's Avatar
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    Both my relays are activated by the parking lights, not the turn signal. Both the projection and the side lights are turned on by a switches by the steering wheel.

    I cant remember how long it took me because I spread it out over two days. Id say 10 hours would be a good estimate.

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    Looks hot, nice work!
    '00 RS

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    SLi Resident iampetro's Avatar
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    i thought the JDM fogs would fit into a north American GT without modification. is the cutting really necessary?
    i want to buy some of these but i dont have the time to mod my bumper

  14. #14
    t3h ub3r m3mber shazapple's Avatar
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    This is pretty much the bare minimum you need to do for these fogs. They will not fit without cutting

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    so if you had the jdm bumper beam you would not have to cut the bracket? would a stock usdm bumper fit onto the jdm bumper beam . also could i get better pics of the areas i need to cut . by better i mean larger .
    if i got in a drunk driving accident it would because my liver shut down on me while i was driving , not because i was intoxicated .

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    "FNG" ProjectLGT97's Avatar
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    Can you swap the USDM GT bracket with the JDM projector bracket...?

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    not sure ! anybody got a set of usdm fogs. if they do work man then i have to get a set of usdm fogs and the brackets or just the brackets. but you would still have top cut the bumper /
    if i got in a drunk driving accident it would because my liver shut down on me while i was driving , not because i was intoxicated .

  18. #18
    "FNG" ProjectLGT97's Avatar
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    Well I'm planning on getting some JDM projector fogs in the near future I'll let you know how it works out

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    not trying to be rude just curious but do you have pictures that display the holes for the mounts ,
    in the
    bumper beam
    and
    the mount itself
    if i got in a drunk driving accident it would because my liver shut down on me while i was driving , not because i was intoxicated .

  20. #20
    t3h ub3r m3mber shazapple's Avatar
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    I've never seen the USDM foglight bracket so I have no idea if they could be modified.

    The pictures are all there in the posts, but there was a change with the forum software and now they don't work as links anymore. Just copy the link that shows up beside the pictures and there should be a larger version

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    i attempted the copy and paste of the url link already but it was uncucessful . its all good ill figure it out .
    if i got in a drunk driving accident it would because my liver shut down on me while i was driving , not because i was intoxicated .

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    ok complicated question. if i where to remove the plugs and wires from the wiring harnees of a subaru that already had fog lights and traced the wires all the way to the switch, the removed what i needed and spliced it into my harnees ? would this work and be less complicated than wiring it all sepratly .
    if i got in a drunk driving accident it would because my liver shut down on me while i was driving , not because i was intoxicated .

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    SLi O.G. 1-3-2-4's Avatar
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    Question what is the bulb size used?? Please say H7....
    back
    3 4
    1 2
    Front

    97 Legacy Outback Wagon



    <--- 252,xxx miles!

  24. #24
    t3h ub3r m3mber shazapple's Avatar
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    H3 is the bulb for the main foglights.

    If you already have foglights then you could hook just cut off the plugs and splice on the jdm foglight plugs. I dont think the circuit could handle the side bulbs as well.
    The easiest way to do it would be to cut off the plugs, hook that into a relay as shown above. Then you are drawing power straight from the battery with proper wiring and fusing. This way you can also hook in the side bulbs and not have to worry about the stock wiring or fuses

  25. #25
    SLi O.G. 1-3-2-4's Avatar
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    damn... What bulb goes in the projector part? Gah... I have an 3000K HID H7 kit I can't use now...
    back
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    <--- 252,xxx miles!

  26. #26
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    ok so i have the wire all i need is the relay and a fuse coupler thingy.ok so i splice a wire into the power wire off the parking light switch, then i attach the wire to the fog light switch and have a fuse between the switch and the parking light switch. then i ground my switch and run a wire to the relay where i connect a wire with a fuse to the battery. then i ground the relay and run wire to both fog lights. sorry im no good a wiring man .
    if i got in a drunk driving accident it would because my liver shut down on me while i was driving , not because i was intoxicated .

  27. #27
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    to be honest i used the KISS system and ran a wire to a switch from the baterry and a wire that connected to both fogs and grounded the second from the fogs and it works great. im gonna install a jdm bumper beam tommrrow that im getting for 5o bucks
    if i got in a drunk driving accident it would because my liver shut down on me while i was driving , not because i was intoxicated .

  28. #28
    t3h ub3r m3mber shazapple's Avatar
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    I hope you have a fuse in there, and I hope your switch can handle that much current. Otherwise you're going to have troubles, possibly fire

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    theres a fuse other than that its fine i have had them wired like this for 2 weeks now and there are no scortch or melt marks on the wires or surrounding wires
    if i got in a drunk driving accident it would because my liver shut down on me while i was driving , not because i was intoxicated .

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    So did anyone work out if the JDM fog can be bolted to the USDM mounting bracket (after being removed from the USDM fog)?
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