SkyTrak 6036 Service Manual User Manual
Page 333

Section 10.
Electrical System
10-71
Model 6036/6036T S/N 9B0500 thru 14833
Trouble
Probable Cause
Remedy
Reference
Windshield Washer/Wiper for Enclosed Cab—GENERAL (cont'd)
Windshield wiper
has low speed
only and is
inoperative in high
speed.
If the wiper runs in high,
proceed to step 2; if the wiper
is inoperative, proceed to
step 3.
Repair or replace as required;
if red wire provided continuity,
replace wiper switch.
Repair or replace as required.
See para. 10.10.3
See para. 10.10.1
See para. 10.10.3
1. Remove connector from
terminal H of wiper motor
and connect a 12 Vdc
source to this terminal.
2. If wiper runs in high, check
for open in red wire from
switch to motor.
3. If wiper is inoperative, look
for a hung or grounded
high speed brush in the
wiper motor.
Windshield wiper
has high speed
only and is
inoperative in low
speed.
If the wiper runs in low,
proceed to step 2. If the wiper
is inoperative, proceed to
step 3.
Repair or replace as required;
if black wire provided
continuity, replace wiper
switch.
Repair or replace as required.
See para. 10.10.3
See para. 10.10.1
See para. 10.10.3
1. Remove connector from
terminal L of wiper motor
and connect a 12 Vdc
source to this terminal.
2. If wiper runs in low, check
for open in black wire from
switch to motor.
3. If wiper is inoperative, look
for a hung or grounded low
speed brush in the wiper
motor.
Wiper has one
speed which is the
same in both low
and high.
Repair or replace as required.
If the wiper runs in high and
low proceed to step 2; if wiper
runs at one speed proceed to
step 3.
Repair or replace as required.
See para. 10.10.3
See para. 10.10.3
See para. 10.10.3
1. Remove connectors from
terminals H and L of wiper
motor and connect a 12
Vdc source first to one
terminal and then the other
terminal.
2. If wiper runs in high and
low, check for an open in
wires from wiper terminals
H and L to the wiper
switch.
3. If wiper runs at one speed,
check for low and high
speed brush leads shorting
together internally.