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ELECTRICAL
SWITCHES / CONTROLS
BRAKE PRESSURE SWITCH
The brake pressure switch
line outlet on the master cylinder.
TORQUE
Master Cylinder Brake Pressure Switch / Banjo Bolt:
180 in-lbs +/- 10 in-lbs
NOTICE
Always replace brake system seals if fastener is
loosened or removed.
1. Disconnect the wire harness from the brake switch.
2. Connect an ohmmeter across switch contacts.
Reading should be infinite (OL).
3. Apply foot brake and check for continuity between
switch contacts. If there is no continuity or greater
than .5 ohms resistance when the brake is applied
with slight pressure, first clean the switch contacts
and re-test. Replace switch if necessary.
TURF SWITCH
1. Remove dash panel from the dash (See Body /
Frame chapter).
2. Disconnect the switch harness (Gray, Orange/White,
Brown, White/Green) by pressing the connector lock
and pulling on the connector. Do not pull on the
wiring.
3. Inspect the switch connections and test the switch for
continuity.
4. When the switch is in Turf Mode, there should be
continuity between the White/Green, and Orange/
White wire terminals.
11.4
q
is located on the rear brake
DIFFERENTIAL SOLENOID
The differential solenoid
the transmission. The solenoid actuates an engagement
dog, which locks and unlocks the rear differential. Refer
to Chapter 8 for more information on the rear differential
mechanical operation.
REAR DIFFERENTIAL SOLENOID OPERATION
The Rear Diff Solenoid Relay is located on the frame
under the rear cargo box.
When the switch is pushed to activate "TURF" mode,
key-on accessory battery voltage is sent from the 2WD /
TURF Switch to the ECU.
Depending on engine speed and gear position criteria,
the ECU energizes the Rear Diff Solenoid Relay allowing
it to enable the differential solenoid.
If the rear differential fails to switch from operational
modes:
9929758 R01 - 2019 TAYLOR-DUNN G-100 Service Manual
q
is located on the right side of
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Troubleshooting
