SkyTrak 6042 Service Manual - Manual (Page 427)

9.57 Model 6042 Legacy Origin 7/02
Electrical System
Not
OK
Replace roadlight
harness.
Replace worklight
switch.
Not OK If OK
For boom worklight, check
battery voltage at worklight
switch pin 3,
wire 3A (LT BLU).
Replace roadlight harness.
Not
OK
Replace roadlight harness.
Not
OK
Worklights remain OFF
with the ignition ON
position and the bottom of
the worklight switch
pushed in.
Before troubleshooting any
electrical circuit, ALWAYS
begin by checking the
following:
1. Fuses.
2. All connections relating
to circuit are clean and
tight.
Not
OK
Check for battery voltage at
open connector wire 12B (DK
BLU) at the light switch relay.
Check for battery voltage at
light switch relay pin 30,
wire 29 (RED).
Replace console/stabilizer
harness.
Not
OK
If OK
Check for battery voltage
across relay coil
position 85 & 86.
If OK
Replace light switch relay.
If OK
Make sure that the switch is
pushed all the way in on the
bottom. Measure voltage at
both wire leads at each light.
2D & 4B (Left Rear),
2G & 4C (Right Rear) and
2B & 3D (Boom).
If OK
Check for worklight switch
function light.
If OK
Replace bulb.
Not
OK
If OK
Replace roadlight harness.
Not
OK
For rear worklights, check
battery voltage at worklight
switch pin 6, wire 4A (YEL).
Not
OK
If OK
Replace roadlight harness.
Replace roadlight
harness.
Replace worklight
switch.
Not OK If OK
Check battery voltage at
worklight switch pin 2,
wire 1E (RED).
Check battery voltage at
worklight switch pin 5,
wire 1A (RED).