ELECTRICAL SYSTEM GRT9165 SERVICE MANUAL
3-14
Published 10-01-2020 Control # 699-00
ignition (run) position, or some other problem. Install
starter properly as needed.
Battery Replacement
Removal
1. Open battery compartment door.
1. Ensure key switch has been in the OFF position for 2
minutes.
2. Turn battery disconnect switch to OFF position.
3. Remove ECM power fuse.
4. Remove negative battery cables.
5. Remove positive battery cables.
6. Remove nuts and washers from bracket hold down rods.
Remove hold down bracket.
7. Remove batteries.
Installation
1. Place batteries in battery compartment.
2. Install hold down bracket. Secure bracket (and batteries)
to bracket hold down rods with nuts and washers.
3. Connect leads to battery terminals starting with the
positive terminals.
4. Install ECM power fuse.
5. Close battery compartment door.
6. Turn battery disconnect switch ON.
7. Verify replacement batteries work by starting crane’s
engine and operating various crane components.
Steering Column and Dashboard
Rocker Switch
Refer to Figure 3-11.
Removal
1. Ensure key switch has been in OFF position for 2
minutes.
2. Turn battery disconnect switch to OFF position.
NOTE: Only remove as much as needed to access switch
being replaced.
3. Remove four screws (11) from dashboard cover (1).
4. Remove locking lever (15).
5. Remove four screws (14) from left side cover (16).
6. Remove left side cover (16) from steering column.
7. Disconnect wire harness from back of ignition switch
(12).
8. Remove right side cover (10) from steering column
assembly (9).
9. Disconnect wire harness (not shown) from bottom of
switch to be replaced (21 – 24). Remove switch by
squeezing retaining clips on each side of switch and
pushing upwards until switch is free of cover.
Inspection
1. Visually check switch for evidence of cracks, damaged
connections, or other damage. Replace switch as
needed.
2. Check wiring for damaged insulation or damaged
connectors. Repair as needed.
3. Check all connectors for corrosion. Replace corroded
components as needed.
4. Use a multimeter to check for continuity between switch
terminals with switch ON. Meter should register zero
ohms. Place switch OFF. Meter should register infinity
(no continuity). Replace switch if it fails either part of the
check.
CAUTION
To avoid possible engine fault codes and undesirable
operation, ensure keyswitch has been off 2 minutes
before disconnecting batteries.
Disconnect batteries if machine will be inactive for over
24 hours.
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