TROUBLESHOOTING AND ELECTRICAL
SYSTEM: DIESEL VEHICLES
Test Procedures
12
TEST PROCEDURE 6 – Key Switch (Glow Plug Circuit)
See General Warnings, Section 1, Page 1-2.
1.
Disconnect battery.
See Side-Post Battery: Disconnecting the Battery – Gasoline/Diesel Vehicles on page
1-3.
See Top-Post Battery: Disconnecting the Battery- Gasoline/Diesel Vehicles on page 1-4.
2.
Ensure that the key switch connector is connected correctly and is tight. If it is not, repair or replace as necessary.
3.
Remove the key switch.
See Key Switch Removal on page 14-7.
4.
Set the multimeter to 200 ohms.
5.
Check the B and A terminals.
5.1.
Use alligator clips to connect the multimeter probes between the B and A terminals. With the key in the
PREHEAT position, the multimeter should indicate continuity
. If the multimeter
does not indicate continuity, the key switch has failed and should be replaced.
5.2.
If the multimeter indicates continuity between the B and A terminals with the key in any position other than
PREHEAT, the key switch has failed and should be replaced.
See Key Switch Removal on page 14-7.
2016 Carryall 1500/1700 and XRT 1550 Maintenance and Service Manual
Page 12-17
Summary of Contents for Carryall 1500 2016
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