11
Test Procedures
TROUBLESHOOTING AND ELECTRICAL
SYSTEM: GASOLINE VEHICLES
3.
Use a multimeter set to 20 volts DC and place alligator clips on the multimeter probes. Connect the red (+) probe
to the light switch terminal where the blue wire (w03) is connected
2m
20
m
200
m
2k
200
200
200
200
20
2
200
m
500
20k
200k
2000
k
1000
OFF
WAVETEK
5XL
V
V
V
A
!
!
COM
200nA
MAX
1000 ---
750V
FUSED
1130
Figure 11-30
Light Switch Test
4.
Connect the black (–) probe of the multimeter to the negative (–) post of the battery.
5.
With the light switch in the OFF position, the reading should indicate 0 volts. With the light in the ON position, the
reading should indicate between 11 and 12.5 volts. If the there is no voltage reading, check the continuity of
the 10-gauge red wire (w126) from the fuse block to the starter solenoid. Check the continuity of the 14-gauge
yellow wire (w07) and the 14-gauge blue wire (w113) from the light switch to the fuse block. Check the fuse.
See Test Procedure 2 – Fuse on page 11-11.
If the wires and fuse show continuity and the readings are still
incorrect, replace the switch.
See Light Switch Removal on page 13-11.
TEST PROCEDURE 34 – Voltage at Headlight Socket
See General Warnings, Section 1, Page 1-2.
NOTE:
Keep the battery connected during this test procedure.
1.
Disable the vehicle.
See Disabling the Vehicle on page 1-3.
2.
Inspect the wires at the light bulb socket. Make sure the wires are securely fastened to the contacts inside the
socket and that wires are oriented correctly - black to black and blue to blue.
3.
Remove the wire harness from the headlight bulb
.
4.
Use a multimeter set to 20 volts DC and place the black (–) probe into the black wire terminal of the wire harness.
Place the red (+) probe into the blue wire terminal.
5.
Pull the light switch to the ON position. If the multimeter indicates approximately 12 volts, replace the headlight
bulb.
Page 11-34
2013 Carryall 295/XRT 1550 Maintenance and Service Manual
Содержание Carryall XRT 1550
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