Dyna Rev limiter

[gshub]

I got me self a early Dyna Rpm limiter.
Would like to know what wire goes where Doh.
It says on side of it , blue coil 1 ,coil 1 has two wires Red and White.
White wire goes to coil 2,coil 2 has Black and red wires .
As I dont want a melt down pleasetell wot goes where.

Thanks
Steve