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rear fog lights

39057 Views 94 Replies 25 Participants Last post by  jogosub
Winter and fog seems to be a good time to discuss this. Anyone use them and if so where, what and how is it mounted?
Here is a photo gallery..
https://www.google.com/search?q=Rea...44.2115.0j11j2.13.0...0.0...1ac.1.T4ZaIT5g9iA
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Not the same year car, but I like the ideas coming out of this thread on LGT.

A dual-aspect reverse light seems like a great idea. White when in reverse, red when not in reverse AND rear fog switch activated.
I have used them (but not on Subarus). Most European imports have a an extra socket in the back tail light assembly. All you have to do (in this country) is connect power to it in conjunction with your front fog lights. I would check the legality of such light as it may be regulated by different states (in some it's plain illegal). The wattage is usually the same as your brake light/bulb.
Some people add it (a small "fog" light with red lens) under the rear bumper and connect wiring to the front fog lights (I have also done so previously). If you don't have front fog light you could add a switch on your dash board.
In Italy and Germany; however, not on a Subaru. Single red lamp with a widely defused light mounted under the rear bumper (centered and pointed downwards aimed at about 10 feet in back of the car). These are required in Italy, and I believe were optional in Germany at the time. Powered by the same switch that activated the fog lights on my Fiat 128, Opel Rekord, Peugeot 403, and a couple of other cars that I drove there.
My Jaguar X-Type Sport had rear fog lights, they were built right in and connected to the main lighting control on the dash.

It was an American spec car, bought and drove here.
When the fog is so thick that you have to slow down, I just turn on the emergency blinkers.
In Italy and Germany; however, not on a Subaru. Single red lamp with a widely defused light mounted under the rear bumper (centered and pointed downwards aimed at about 10 feet in back of the car). These are required in Italy, and I believe were optional in Germany at the time. Powered by the same switch that activated the fog lights on my Fiat 128, Opel Rekord, Peugeot 403, and a couple of other cars that I drove there.
I had those "extra" rear fog light sockets on my Audi, Mercedes, BMW, Saabs and Volvos - in this country (in late 60s, 70s and 80s).
I always added a bulb and connected it to the fog lights switch. Not sure, if they still have the same set up on current models (those makes).
I had those "extra" rear fog light sockets on my Audi, Mercedes, BMW, Saabs and Volvos - in this country (in late 60s, 70s and 80s).
I always added a bulb and connected it to the fog lights switch. Not sure, if they still have the same set up on current models (those makes).
Our 02 jetta has the slot for a rear fog bulb. We don't have front fogs so I never got around to hooking the rears up.
When the fog is so thick that you have to slow down, I just turn on the emergency blinkers.
That might be illegal although I see big rig truckers do this when climbing grades.
To me emergency flashers means you are stopped on the shoulder.
Impaired drivers also tend to gravitate towards flashing lights like gnats do to a bare light bulb.
That's why you seldom see CHP using their emergency lights while stopped on the shoulder.
That's why you seldom see CHP using their emergency lights while stopped on the shoulder.
I really wish all these new LED light bars for the cruisers had a night mode that dimmed them down. I've been flat out dazzled and disoriented by them, and one time I inadvertently drove uncomfortably close to the cop himself as he was walking from the cruiser and the car he'd stopped. It was a very narrow lane on an exit ramp, and between his police lights and dark uniform I couldn't even see the guy until my mirror was a foot from his hip.
That might be illegal although I see big rig truckers do this when climbing grades.
To me emergency flashers means you are stopped on the shoulder.
Impaired drivers also tend to gravitate towards flashing lights like gnats do to a bare light bulb.
That's why you seldom see CHP using their emergency lights while stopped on the shoulder.
You could possibly send a suggestion to FL Higway Patrol - they "love" to have everything flashing on when stopped on shoulders....LOL .. I agree with you (Chips in CA) but here in the "deep South" it's a totally different country!
I've been wanting to add a rear fog(s) for a while now. Would there be any way to mount some LEDs behind those ugly reflectors on the bumper? It's a pretty good spot for them, and some super bright white LEDs would probably light up the red reflector pretty well.
I've been wanting to add a rear fog(s) for a while now. Would there be any way to mount some LEDs behind those ugly reflectors on the bumper? It's a pretty good spot for them, and some super bright white LEDs would probably light up the red reflector pretty well.
That is a good spot for them. Pull a reflector out and fabricate a duplicate in LED.
All of the vehicles I've had that had factory rear fog lights had a dedicated switch to activate. I have not seen nor heard of simply adding a bulb without the dedicated switch. Not that I'm the authority on dedicated rear fog lamp switches or anything ..

Interestingly enough, these were all European USDM spec cars, ranging from '85 to '08. The '85 did have the rear fog lamp switch (pull the headlamp switch out once for front, twice for rear... think about how you set the time on an analog watch) but did not have bulbs installed from the factory. The sockets were there, but had no way of being electrified as the circuitry simply wasn't there.
...how about taking out the reflector on the rear bumper and putting them in there....
I've been wanting to add a rear fog(s) for a while now. Would there be any way to mount some LEDs behind those ugly reflectors on the bumper? It's a pretty good spot for them, and some super bright white LEDs would probably light up the red reflector pretty well.
That sounds like an awesome mod and I may try that someday. However it is recommended to use red LEDs with red lenses, since sending white light will have 2/3 of its brightness filtered out by the red lens (green and blue light?). Sending red light through will allow 100% transmittance. But maybe it doesn't matter too much, for example a certain white LED advertises 600 lumens and the red version says 210 lumens or so. Seems in that case the red LEDs already lost some brightness just for being red.

I'm going to sneak a peek at my bumper right now before the baby wakes up. It's been a glorious morning so far and the pond behind my house is as steady as glass - like time is standing still. Sooner or later all this peace and quiet will be interrupted!
That sounds like an awesome mod and I may try that someday. However it is recommended to use red LEDs with red lenses, since sending white light will have 2/3 of its brightness filtered out by the red lens (green and blue light?). Sending red light through will allow 100% transmittance. But maybe it doesn't matter too much, for example a certain white LED advertises 600 lumens and the red version says 210 lumens or so. Seems in that case the red LEDs already lost some brightness just for being red.

I'm going to sneak a peek at my bumper right now before the baby wakes up. It's been a glorious morning so far and the pond behind my house is as steady as glass - like time is standing still. Sooner or later all this peace and quiet will be interrupted!
Grabbed my GoPro, and went and did some 'vestigatin. Here's what I found...
This is what the back of the reflector looks like.

That hole looks perfect to mount an LED in...

Also, it's hollow. There's probably a quarter inch gap between the "cover" and the actual reflective surface on the back.


Then, on the bumper itself, there's a thru hole, to pass the wiring through.


It's almost like Subaru designed the car for this, either as standard equipment in some places, or as an easy mod.
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Not sure but I believe the Euro model and maybe even the JDM have lights in that space. This looks promising.
After searching around, the Japanese "Legacy Outback" does in fact have a rear fog light on the driver side only. How it's mounted, I have absolutely no clue, and I don't think I can read Japanese well enough to find a blown up schematic.
I really, REALLY want to smash people's rear fog lights out when they drive with them on all the time. I follow a lot of BMW, Mercedes, and Lexus cars with the rear fogs on in perfectly clear weather. At night, it can be blinding. I got over people's using front fog lights all the time... Most American drivers call them 'driving' lights and think they should be on all the time. The rest of us (Americans) think that parking lights are driving lights. I guess they don't teach this stuff too well in driving school.
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