Testing the Manual Parking Brake Switch (continued)
B. Disconnect the machine wire harness from the parking brake switch.
Check the switch and the harness connector for damage or corrosion
and clean or repair as necessary.
C. Set the key switch to the O
N
position (do not start the engine) and use a
multimeter (DC voltage setting) to verify that the machine wire harness
pink wire has system voltage (12 VDC) present. Set the key switch to
the O
FF
position.
D. Use a multimeter (ohms setting) and verify that the machine wire harness
black wire is closed to ground (has continuity).
E. Use a multimeter (ohms setting) and verify that the machine wire harness
blue wire has continuity at the T1: primary controller connector; refer
to
Appendix A (page A–1)
.
4. If the wire harness tests correctly and the switch LED does not function
as desired, replace and adjust the manual parking brake switch; refer to
Adjusting the Manual Parking Brake Switch (page 5–22)
.
5. Connect the machine wire harness to the switch before returning the machine
to service.
Electrical System: Testing the Electrical Components
Page 5–78
Greensmaster® eTriFlex 3360 and 3370
19239SL Rev B
