3 fuel tanks

[drbugs]

69 d100 with 3 fuel tanks, switch by front seat, which way does the switch go for each tank?

[Alancfrey]

On my 1968 d200, the switch points like a flag. Main tank in middle, so flag flies toward the front of the truck, points to rear. Saddle tank drivers side points to driver door, flag flies toward passenger side. Vise versa for passenger side saddle tank.
I hope that helps.

[drbugs]

thanks much