I agree with John on both the use of LEDs in passenger cars and the ammeter readings. LEDs in passenger cars are more efficient and cheaper than buying new transformer capacity. IMHO nothing wrong with using repaired and well maintained pw ZWs.
The two photos shown in my posts up above are from layouts in two different homes, here and the mountains, dismantled in 3/08 and 10/09.
Operating a much smaller and simpler attic layout now, more in keeping with my old age, lame legs and lame brain. Current power center for two districts shown below.