SkyTrak 8042 Service Manual - Manual (Page 728)

9.137 Model 8042, 10042, 10054 Legacy Rev. 10/03
Electrical System
Check for battery voltage at
fuse block female connector
wire [32] (GRY/WHT).
With skylight wiper switch
in the RUN position, the
wiper does not operate.
Repair/replace
cab harness.
Check for battery voltage on
wiper switch connector at
Pins 9 and 5,
wires [6B] (RED/WHT) and
[6C] (RED/WHT).
Check 10-amp wiper fuse. Replace fuse.
Before troubleshooting any
electrical circuit, ALWAYS
begin by checking the
following:
1. All connections relating to
circuit are clean and tight.
Not
OK
If OK
If OK
If OK
Not
OK
Not
OK
Repair/replace
wiper harness.
With the skylight wiper switch
in the RUN position, check for
battery voltage at Pin 4 at
switch connector.
If OK
Not
OK
Replace
skylight wiper
switch.
Check for battery voltage at
Pin 2 at switch connector.
If OK
Not
OK
Repair/replace
wiper harness.
Check for battery voltage at
Pin 1 at switch connector.
If OK
Not
OK
Replace
skylight wiper
switch.
Check for battery voltage at
Pin C, wire [5] (YEL) at
skylight wiper motor
connector.
If OK
Not
OK
Repair/replace
wiper harness.
Check for proper ground at
skylight wiper motor.
If OK
Not
OK
Clean, tighten
and recheck.
Replace skylight wiper motor.