Fog light wattage 2011 Prius II

Discussion in 'Gen 3 Prius Accessories and Modifications' started by ES44AC, Jul 3, 2020.

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  1. ES44AC

    ES44AC C.A.U.S

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    I am in the midst of installing fog lights. with glass lenses. on the Prius. I notice they came with 35 watt bulbs seems a bit low to me. If i put H11's at 55w will it melt the housing of the light? I don't want to go any higher but 35w seems way too conservative.

    Your thoughts please. :D

    Oh I have to mention that it took me all day in 90 degree wx to try and remove one of the blanks where the fogs go. Worst part is I got one in and the last one is still unfinished, that blank or what's left of it are still in the car! What a PITA. I know..... it 'should' take less than a minute to remove the blank and insert the fog light nice person'y. This is the sort of thing that happens in a shop where a 30 minute job turns into an all day affair. How do you explain it to a customer? <sigh>
     
  2. Montgomery

    Montgomery Senior Member

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    People who have installed fog lights have removed the entire front bumper. Did you by chance do that?
     
  3. ES44AC

    ES44AC C.A.U.S

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    No I didn't but anything would have been better than the misery of working on the floor. On my other Prius I had to remove the bumper to install a GrilleCraft grille. I had fog lights on that car too but never had to wrestle with getting them installed as I did here. I am going to have to take it to a shop, get it up in the air, and take the bleeding thing out that way. Talk about something you wished you'd never started!

    ES
     
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  4. Louis Brown

    Louis Brown New Member

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    So this is my second post but I build HID headlights for the Lexus LX470 and I'm shocked how many Prius owners are using 50w ballast in the stock Halogen projectors thinking bigger is better. You will absolutely toast/burn the inside reflector of that little fog light ..running 50w ballast and bulbs as will anyone running this combo in the stock projector headlights. I use 50w ballast only in the Morimoto D2S projector that can handle the heat. If you look at Lightwerkz web site they have a disclaimer when you select 50w "50W AT YOUR OWN RISK". 35w will produce great output... limited only by the size of the projector. I'm curious about the back of the projector... could you post a picture?

    Here's a few output shots running 35w ballast and 5000K bulbs in the Morimoto Mini H1 7.0 9825D78B-A126-4075-A0F1-53A8D5E3EE28_1_201_a.jpeg CF115021-E7A8-41D9-B97F-3BA7BB121068.jpeg
     
  5. ES44AC

    ES44AC C.A.U.S

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    Louis,
    Thanks for the photo and your description of what you are doing.... somehow the post went sideways by about 5 miles.

    I am NOT installing HID fog lights, they are simple halogen bulbs, no ballast, no nothing, but a switch and a relay. They came shipped to me with 35 watt HALOGEN bulbs and I was asking if putting 55W halogens would be too hot for the housings.

    I appreciate your time and your lengthy posting, most appreciated, but it doesn't apply to what I am doing.

    Many thanks and be safe!

    "ES"
     
  6. xliderider

    xliderider Senior Member

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    I've run both 55w H11 and 35w H8 halogen bulbs in the oem style foglights with no problems due to heat.

    I've since moved on to either projector type or LED foglights with lenses or cutoff shields that limit the amount of glare produced, unlike the oem foglights which spray light everywhere, especially up into oncoming driver's eyes. You can prove the glare issue by parking about 15 feet in front of a wall with your headlights on, then turn on your foglights. If you see a lot of extra light above the headlight cutoff line, that's all glare that will annoy drivers in front of you.

    This is a picture of the sharp cutoffs from my projector foglights against my garage door. This is my Camry, but the foglights fit in the Prius as well. 20150520_102611.jpeg

    Posted via the PriusChat mobile app.
     
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  7. Louis Brown

    Louis Brown New Member

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    Sorry for going sideways... I was looking At few of the fog lights threads and the seller mention buy a H1 Harness and HID bulbs from TRS

    Do you have a link to the fog lights you’re using? Very nice cutoff
     
  8. ES44AC

    ES44AC C.A.U.S

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    Hi xliderrider,
    Thanks very much for the photos and also the information about running h-11 bulbs. I agree with you about the fog lights possibly blinding oncoming traffic if they aren't adjusted properly. On my other Prius I was able to get them adjusted down to a point where there was little if any glare to oncoming traffic. It seemed like there was enough adjustment that allowed me to do that. However it certainly didn't have the sharp cutoff that you are impress you photos show. Nice to know that somebody else is interested and what people are looking at when they are coming at you in the dark. I have replaced my low beam headlights with LEDs from diode Dynamics. I'm very happy with them and against my garage wall just like yours there is a very sharp cutoff line of course that's due to the projector beam and the metal shield inside the housing.
    Thanks very much great to hear from you I have seen your postings over the years take care and be safe thanks again.

    "ES"
     
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  9. xliderider

    xliderider Senior Member

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  10. xliderider

    xliderider Senior Member

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  11. xliderider

    xliderider Senior Member

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  12. ES44AC

    ES44AC C.A.U.S

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    xliderrider you still watching this thread?

    I have a question for you, i'd send a PM but don't see how to do it...
    Can you tell me what secures the fog light to the bumper cover? Is it a bolt with machine threads or a self tapping screw like a sheet metal one that screws into plastic? I know there are 3 locating tabs but surely that's not all that's needed

    I posted the question in the Gen 3 forum but am not exactly being overwhelmed with responses lol. Figured if anyone would have an answer it'd be you..If you read my post from yesterday you'll see why I don't have the bolt/screw that I need. I don't want to have the car jacked up or on ramps and have to take it off to go to Lowes to get a blasted screw or bolt.

    thanks a lot,

    "ES"
     
  13. xliderider

    xliderider Senior Member

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    The foglights are held in by sliding the two tabs on one side into/under a slot in the foglight shroud, then on the opposite side, it's just one screw (not machine threads) into a plastic hole.

    Posted via the PriusChat mobile app.
     
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  14. ES44AC

    ES44AC C.A.U.S

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    THANK YOU VERY MUCH that was the info I needed! I knew the 2 locating tabs and the one on the bottom weren't enough to keep it all secure.

    I'll just get a variety of sheet metal screw so wen I am under the car I'll have what I need. Where the OEM screws got to is s mystery, but I had to quit the installation suddenly and the parts got misplaced.

    Regards and thanks again,

    "ES"
     
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