the Handbook won't be a lot of help, the factory wiring diagram in the shop manual should do the job, along with some common sense and of course, this forum - print it out and spend some time studying it, has the colors and gauges shown
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics