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TROUBLESHOOTING AND ELECTRICAL
SYSTEM: GASOLINE VEHICLES
TEST PROCEDURE 15 – Reverse Buzzer and Reverse Buzzer Limit Switch
See General Warnings on page 1-1.
NOTE: Reverse Buzzer: This is a voltage test.
A reverse buzzer is mounted on the back side of the instrument panel. On some models, another reverse buzzer is
also mounted on a bracket at the left rear of the vehicle. The reverse buzzer is powered by the 10-amp ATM fuse.
1.
If necessary, see Testing Basics.
2.
Remove the instrument panel.
3.
Check for proper wiring and tight connections.
4.
Turn the key switch to ON.
5.
Check that battery voltage is present in the orange/white wire at reverse buzzer.
5.1.
If there is no battery voltage, check the 10-amp ATM fuse.
6.
Set the Forward/Neutral/Reverse control (FNR) to R.
6.1.
If the reverse buzzer does not sound, check the reverse buzzer limit switch.
7.
Turn the key switch to OFF.
NOTE: Reverse Buzzer Limit Switch: This is a continuity test.
The reverse buzzer limit switch is located on the Forward/Reverse shifter. Purple/white and orange wires are
connected to it.
1.
Disconnect the black/orange wire from the reverse buzzer.
2.
Set the Forward/Neutral/Reverse control (FNR) to R. there should be continuity between the black/orange
wire and ground.
3.
Check for continuity between the black/orange wire and ground.
3.1.
If there is no continuity, replace the reverse buzzer limit switch.
3.2.
If there is continuity, go to the next step.
4.
Set the Forward/Neutral/Reverse control (FNR) to F.
4.1.
If there is continuity, replace the reverse buzzer limit switch.
4.2.
If there is no continuity, replace the reverse buzzer..
2019 Carryall 500 and 700 Maintenance and Service Manual
18
Test Procedures
Page 18-27
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Table of Contents
Troubleshooting
