I would only add that I used colored vinyl electric tape and wrapped each end with the color of the dots. No hunting for dots as the tape is easily seen and wont scrape off in transit like the dots. 
This took my setup time from two minutes like Troy down to a minute forty five ;-)

Shawn
87 Syncro "Eeyore"
78 Champagne Edition Bus
80 Aircooled Westy L "Tigger"