P1 - 1 spark:
1 RPM...max 16,000 RPM
P2 - 2 sparks:
1 RPM...max 8,000 RPM
P3 - 1 spark:
2 RPM...max 16,000 RPM
Installation View of meter (cut away) with wire in U-shaped channel.
View of spark plug wire with alligator clip.
View of spark plug wire with pickup wire wrapped around.