SkyTrak 6042 Service Manual - Manual (Page 475)

9.105 Model 6042 Legacy Origin 7/02
Electrical System
2. Remove lower access panel (Fig. 9-80, 1).
Figure 9-80 Ignition Key Switch Location
3. Remove the hex nut securing the ignition key switch
(Fig. 9-80, 2) to the dash.
4. Reach up and under the dash to work the ignition
switch and wiring out of the mounting hole.
5. Disconnect the ignition switch connectors from the
cab harness connectors, and remove the switch
from the vehicle.
b. Disassembly
DO NOT disassemble the ignition switch. Replace a
defective switch with a new one.
c. Inspection and Replacement
To determine the proper operation of the ignition key
switch, using the following charts, test the wires on the
back of the switch for continuity with an ohmmeter.
Test the ignition key switch for continuity, by checking
from the ignition (BLUE) wire to each of the following
wires in each switch position. Continuity (X) should be
present as indicated in the following chart:
Test the ignition key switch for continuity, by checking
from the ignition (GREEN) wire to each of the following
wires in each switch position. Continuity (X) should be
present as indicated in the following chart:
If all wires do not show proper continuity, replace the
ignition switch.
OH1760
2
1
Switch Position
Test from BLUE wire to: OFF RUN START
PARK BRAKE:
Wire 1 (WHT) (10 GAGE) X
Switch Position
Test from GRN wire to: OFF RUN START
CAB HARNESS:
Wire 26 (RED) (10 GAGE) X X
Switch Position
Test from RED wire to: OFF RUN START
CAB HARNESS:
Wire 26A (RED)
(10 GAGE) X X
Switch Position
Test from YEL
(10 GAGE) wire to: OFF RUN START
FUSE BOX:
Wire 3 (PUR) (10 GAGE) X X
Switch Position
Test from YEL
(12 GAGE) wire to: OFF RUN START
FUEL SHUT-OFF:
SOLENOID Wire 34
(RED/BLK) X X