So im doing a few things soon and need to figure out some places I can get wires through the firewall.. I started looking but I couldn't see exactly. If u can show a pic or a video I would much appreciate also.. If you also know where else I can get inside from other places also that would help to.. For example anywhere on the right and left back.. and of course the firewall. I also have a 2011 is250.

 

Well I know of one on the drivers side - its slightly above the dead pedal. I ran my wires through there for the fog light mod.

 

I did find that one right after I posted but I stiil have to find a couple more.. because getting wires from all sides to that one hole is going to be a pain in the a**. Do you know if there are anymore? Or where I could find out someone who might??

 

Hey i too am wanting to do this mod. How hard was it? Where did you get the switch from? This is one my next mods to my car.

 

or a write up? with pictures.

 

There is a good one right behind the battery. you will see a rubber gasket over it with two tubes sticking out on the top and the bottom. they are closed off. you clip the tops off with some dikes. these will be rubber tubes that will run a a thick wire to the bottom back of the glove box. I did this to run my four gauge power wire for my amp. Everyone else will tell you to punch a hole through the main grommet. Dont do it. Just clip and go. Its much easier and cleaner.

 

I followed the DIY here:

https://www.clublexus.com/forums/is-...ification.html

Use the info in the first post. I believe page 11 talks about what gauge wiring to use. I bought my rocker switch from radio shack.