Are well, your twenty years behind the other place there, comes of being inthe EU Though some Grock expert came with GST, he should be forcible shown the Mailboat! The Ambulance has decent size visible back lights, but being 6 volt are as dim as Toc H lamp. The Weapons Carrier has nice bright 12 volt LEDS , but the rear lights are right under the body. I have a trail board hanging over the tail gate now.
This is a useful place, if you're doing the indicators it is much easier to buy an LED flasher unit, there no more than a standard one. http://www.autobulbsdirect.co.uk/