This article is from the The Monster Truck FAQ, by Jeff Hawkins with numerous contributions by others.
A. Send me a private E-mail and I'll fix up a wiring diagram and E-mail
it back to you! The lights are just tractor clearance lamps with green
and yellow lens! The battery is a 12 car battery. and the switch is a
`SPDT' (single pole - double throw switch) with center off!