EP Equipment LIST JX0, Service Manual

Page: 123 / 206

REV. 07/2019
ELECTRICAL SYSTEM
8
110
8.7 Blue Light
This truck has two lights mounted the frame.
When the vehicle starts, the blue lights will be lit
up, the flash light will be flash.
8.7.1 Removal and Installation
Removal
-
-
Remove the rear cover(see section 4.3).
Disconnect blue light connector;
Unscrew the screw (2) with a wrench and
remove the blue light (3).
Installation
- Install according to the reverse order of rem-
oval.
8.7.2 Faults and Causes
1
Fault When the vehicle starts, the warn-
ing light won't light up
Cause
a. Warning light failure;
b. Warning light circuit not condu-
cted.
Checking
- Check if the appearance of warning light and
its wiring harness are in good condition, and
if the connectors are connected securely.
8.7.3 Checking and Testing
-
- Check if blue light circuit is conducted;
Energize the blue light with a voltage of 24V:
If the light is on, then it is normal;
if the light is not lit, then the light is faulty.
Testing
8.7.4 Control Circuit Troubleshooting
Light Control Circuit (Figure 50537)
Check if the circuit is broken by using a multi-
meter:
-
- Set the multimeter to ON-OFF;
Check if #7/#30/#18/#87 circuit is conducted.