It's very simple, at walmart you can find it at the car section, they call them vanity car lights, it's a strip of LEDs and at the end it has a box with batteries so lights are always on, I just added a switch so I could turn it on/off, send me an email and I'll send you pics.
these are all the xmods stuff i have right now . i am going to be selling them soon for very cheap! only selling GEN.1 + all radio shack upgrade parts + bodies/ ...
As you can see in the video I took it on small puddles and still works but would not recommend to use it on heavy rain or bigger puddles were water can enter the battery compartment.
1/25 RC Peterbilt Steering Test
This is a homemade 1/25 Peterbilt I made. I stretched a Revell Peterbilt 359 hood and sleeper and then made my own chassis, axles, suspension, steering, ...