The upper diagram - Figure 9 shows an early wire diagram, probably Ford. It has a separate switch as a reverse lock out not used on later versions. Tommy is correct, they both end up on the (-) side of the coil.
Fred


1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine