SkyTrak 6042 Service Manual - Manual (Page 409)

9.39 Model 6042 Legacy Origin 7/02
Electrical System
Before troubleshooting any
electrical circuit, ALWAYS
begin by checking the
following:
1. Fuses.
2. All connections relating
to circuit are clean and
tight.
If OK
Not
OK
With front wiper switch in
LOW or HIGH position, the
wiper does not operate.
Repair or replace
wiper harness.
Check for battery voltage on
wiper switch connector at
wire 6 (RED/WHT) and
wire 6A (RED/WHT).
If OK
Check 10-amp wiper fuse.
Replace wiper motor.
If OK
Not
OK
Not
OK
Replace fuse.
With wiper switch in OFF
position, check wire
4 (GRN) at wiper motor for
battery voltage.
If OK
If OK
Check for battery voltage
at wire 32 (GRY/WHT)
and wire 6 (RED/WHT)
at cab/wiper harness
connection. Check wire
1A (BLK) ground
connection.
Move wiper switch to LOW
position and check wire 3
(WHT) at wiper motor for
battery voltage. Move wiper
switch to HIGH position and
check wire 2 (BLU) at wiper
motor for battery voltage.
Clean and retighten ring
terminal.
Not
OK
Check ground connection,
wire 1 (BLK) at wiper motor.
If OK
Repair or replace
wiper harness.
Replace wiper
switch.
Not
OK
Check for battery voltage on
wiper switch connector at
wire 4 (GRN).
Repair or replace
wiper harness.
Not OK If OK
Replace wiper
switch.
Not
OK
Check for battery voltage on
wiper switch connector at
wires 3 (WHT) and 2 (BLU).
Repair or replace
wiper harness.
Not OK If OK