TROUBLESHOOTING AND ELECTRICAL SYSTEM
Test Procedures
11
TEST PROCEDURE 20 – Reverse Buzzer Limit Switch
See General Warning on page 10-1.
NOTE:
Keep the battery connected while performing this test procedure.
The reverse buzzer limit switch is located on the Forward/Reverse shifter; red/white and orange wires are connected to
it.
1.
Place the Forward/Reverse handle in the NEUTRAL position and the neutral lockout switch in the MAINTENANCE
position. Chock the wheels.
2.
Move the Forward/Reverse handle to REVERSE and listen for an audible click from the limit switch. If there is no
click, check the switch for proper alignment and switch arm movement.
3.
If the switch is being activated but the buzzer does not function, place the red (+) probe of the multimeter on one
terminal and the black (–) probe on the other terminal of the limit switch. Without the lever pressed, the reading
should be no continuity. Press the lever and the reading should be continuity. If either reading is incorrect, replace
limit switch.
See Reverse Buzzer Limit Switch Removal on page 12-24.
TEST PROCEDURE 21 – Reverse Buzzer
See General Warning on page 10-1.
The front reverse buzzer is mounted to the center dash assembly under the front body. The rear reverse buzzer
is mounted on a bracket at the left rear of the vehicle.
1.
Disconnect battery and spark plug wire(s).
See Disconnecting the Battery – Gasoline Vehicles, Section 10,
2.
To test the front reverse buzzer, remove center dash panel.
See Key Switch Removal, Section 12, Page 12-14.
3.
Check for proper wiring and tight connections. Using a multimeter, individually check for continuity through each
wire that connects to the reverse buzzer.
See Wiring Diagrams on page 11-6.
If the buzzer will not function
when properly wired, replace the buzzer.
4.
Connect battery and spark plug wire(s).
See Connecting the Battery – Gasoline Vehicles, Section 10, Page
TEST PROCEDURE 22 – Low Oil Warning Light
See General Warning on page 10-1.
1.
Disconnect battery and spark plug wire(s).
See Disconnecting the Battery – Gasoline Vehicles, Section 10,
2.
Remove the center dash assembly.
See Key Switch Removal, Section 12, Page 12-14.
3.
Ensure that the wires are connected correctly and are tight. If they are not, rewire or tighten as necessary.
4.
Disconnect the yellow wire (to the oil level sensor) from the terminal on the low oil warning light. Using an alligator
clip jumper wire, connect the low oil warning light terminal to the vehicle frame. Connect the red (+) battery cable
to the positive (+) battery post, then attach the black (–) cable to the negative (–) battery post.
5.
Turn the key switch ON. The low oil warning light should illuminate. If it does not, check continuity of the yellow
wire that connects the key switch to the low oil warning light. If there is no continuity in the wire, replace the wire.
Then test the key switch.
See Key Switch (Starter Circuit) on page 11-22.
If the yellow wire and the key
switch test okay, then replace the low oil warning light.
6.
Connect battery and spark plug wire(s).
See Connecting the Battery – Gasoline Vehicles, Section 10, Page
2009 FE 350 Maintenance and Service Supplement
Page 11-39
