Partial Load Switch, Replace
Disconnect vacuum line and cable plug from partial load switch.
Unscrew partial load switch from right spring strut cap.
Install
In reverse order.
Measure partial load switch between two terminals using ohmmeter:
up to 9 kPa (1.30 psi) = 0 Ohm
above 9 kPa (1.30 psi) = no continuity