The inlet switch is located on the mounting plate, near the cam. The inlet switch sits on a thin plastic or papery insulator and can be differentiated from the holding switch which sits on a thick spacer. The inlet switch also uses only two wires, while the holding switch uses three.

Remove
the switch by removing the two screws
that hold it in place. The switch
is connected by two wires. Label
the wire placement on the switch
before disconnecting the wires.
The wires are connected to the switch
with slip-on connectors. Firmly
pull the connectors off of the switch
terminals (do not pull on the wire).
You may need to use a pair of needle-nose
pliers to remove the connectors.
Inspect the connectors and the terminals
for corrosion. If the connectors
are corroded they should be replaced.
Test
the switch for continuity
using a multitester.
Set the multitester to the ohms
setting X1. Touch one probe to the
side terminal and the second probe
to the other terminal (if there
are three terminals, test the terminal
that had the wire attached to it).
The reading should be zero. With
the probes still in place, depress
the switch, the reading should change
to infinity.
If the switch fails the test, it should be replaced.
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