12
Test Procedures
TROUBLESHOOTING AND ELECTRICAL
SYSTEM: DIESEL VEHICLES
WARNING
• If a fuse is blown, determine the cause of the failure and make necessary repairs before installing a
new fuse. Use the appropriately rated fuse; if a fuse with a higher amp rating is used, damage to the
vehicle electrical system may occur.
2105
Figure 12-6
Electrical Component Mounting Plate
TEST PROCEDURE 3 – Ground Cables
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.
Check the frame ground connection for loose connections and damaged terminals
.
Repair or replace as required.
3.
Check the negative (–) battery terminal and 6-gauge black wire (w202) for damage. Repair or replace as required.
4.
Check the engine ground for a loose connection, damaged terminals and an excess of paint on the engine
block (under the starter) where the two 6-gauge black wires (w202 and w203) are connected
. Repair or replace as required.
5.
Set the multimeter to 200 ohms.
6.
Check for continuity between the 6-gauge wire (w202) terminal, disconnected from the negative (–) battery
terminal, and the frame.
7.
Check for continuity between the 6-gauge wire (w203) terminal, disconnected from the negative (–) battery
terminal, and the engine.
8.
The readings obtained in the previous steps should indicate continuity. If any of the readings are incorrect, clean
and tighten wire connections. If the connections are good and the reading is incorrect, repair or replace the wire.
Page 12-14
2016 Carryall 1500/1700 and XRT 1550 Maintenance and Service Manual
Summary of Contents for Carryall 1500 2016
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