Vacuum Switch
The vacuum switch is connected by a vacuum hose to the intake manifold. When manifold vacuum rises to more than 22.8" Hg. during deceleration, the switch is off, and below 22.8" Hg. the switch is on.
The vacuum switch is connected by a vacuum hose to the intake manifold. When manifold vacuum rises to more than 22.8" Hg. during deceleration, the switch is off, and below 22.8" Hg. the switch is on.