REPAIR STEPS
SOLUTION
DIAGRAMS
PROBLEM
MI91.2125
16APR98
REFER TO MP85.3455
REFER TO MP85.3455
REFER TO MP85.3455
Part 1
With the ignition
switch off:
a. The control panel
has lights on.
There should be no power on pin #1 of the control panel. Trace the
wire to its source. The wire should be connected to the ACC side of
the ignition switch.
Part 2
With the ignition
switch in the ACC
or ON position and
the control panel
off:
a. The system ON
light is lit.
If the control panel has a two position master switch, make sure the
switch is in the "OFF" position. If the light remains on, the control panel
should be repaired or replaced.
REFER TO MI91.1065
b. A red warning
light is lit and no
jacks are extended
Unplug the wires to the JACK WARNING LIGHT pins. If the warning
light does not go out, replace the panel.
If the warning light goes out, plug the wires back in and disconnect the
jack warning switch from the harness. If the light goes out replace the
switch. If the light does not go out, the harness wire is shorted to ground
and should be repaired.
Part 3
With the MASTER
switch "ON":
a. The system on
light will not come
on. No other lights
come on and the
system will not func-
tion.
Check the 5 amp fuse in the control panel.
HORIZONTAL
MANUAL OPERATION
OFF
ON
MASTER
EMERGENCY
VOLTS
LOW
AUTOMATIC
LEVELING
AUTOMATIC
RETRACT
VERTICAL
#1 +12 ACC. TERMINAL
5 AMP
EXTEND
HOLD
RETRACT
ON FOR MORE THAN TWO OUT OF EVERY FOUR MINUTES.
TO PREVENT DAMAGE FROM OVERHEATING, DO NOT HOLD SWITCH
WORKING UNDER VEHICLE. MANUAL USE LIMITED TO 4 MIN. WITHOUT COOL DOWN
BLOCK FRAME SECURELY BEFORE CHANGING TIRES OR
LEFT REAR
CAUTION!
LEFT FRONT
RETRACT
RIGHT FRONT
RETRACT
HOLD
EXTEND
HOLD
EXTEND
RIGHT REAR
CONTROL PANEL
CAUTION!
WORKING UNDER VEHICLE. MANUAL USE LIMITED TO 4 MIN. WITHOUT COOL DOWN
RIGHT REAR
BLOCK FRAME SECURELY BEFORE CHANGING TIRES OR
TO PREVENT DAMAGE FROM OVERHEATING, DO NOT HOLD SWITCH
MANUAL OPERATION
CONTROL PANEL
EXTEND
RETRACT
ON FOR MORE THAN TWO OUT OF EVERY FOUR MINUTES.
EXTEND
HOLD
RETRACT
LEFT REAR
LEFT FRONT
EMERGENCY
ON
LOW
VOLTS
OFF
MASTER
LEVELING
RETRACT
AUTOMATIC
AUTOMATIC
RIGHT FRONT
HOLD
RETRACT
HOLD
EXTEND
VERTICAL
HORIZONTAL
5 AMP
#12 RF
#11 LF
#10 LR
#13 RR
REFER TO MP85.3454
JACK
WARNING
LIGHT
LOW
VOLTS
FUSE
HORIZONTAL
VERTICAL
5 AMP.
ON
AUTOMATIC
LEVELING
AUTOMATIC
RETRACT
LEFT REAR
LEFT FRONT
RETRACT
HOLD
EXTEND
EXTEND
HOLD
RETRACT
RIGHT FRONT
RIGHT REAR
RETRACT
HOLD
EXTEND
TO PREVENT DAMAGE FROM OVERHEATING DO NOT HOLD SWITCH
ON FOR MORE THAN TWO OUT OF EVERY FOUR MINUTES.
BLOCK FRAME SECURELY BEFORE
CHANGING TIRES OR WORKING UNDER VEHICLE.
CAUTION!
MASTER
EMERGENCY
OFF
MANUAL OPERATION
H
HW
CORPORATION
R
SYSTEM ON LIGHT
"MASTER/EMERGENCY"
SWITCH
RF
WARNING
SWITCH
MANUAL OPERATION
TO PREVENT DAMAGE FROM OVERHEATING, DO NOT HOLD SWITCH
BLOCK FRAME SECURELY BEFORE CHANGING TIRES OR
RIGHT REAR
WORKING UNDER VEHICLE. MANUAL USE LIMITED TO 4 MIN. WITHOUT COOL DOWN
MASTER
OFF
VOLTS
LOW
ON
EMERGENCY
LEFT REAR
CAUTION!
HOLD
ON FOR MORE THAN TWO OUT OF EVERY FOUR MINUTES.
RETRACT
EXTEND
AUTOMATIC
RETRACT
LEFT FRONT
RETRACT
EXTEND
HOLD
VERTICAL
EXTEND
RETRACT
RIGHT FRONT
HOLD
5 AMP
CONTROL PANEL
AUTOMATIC
LEVELING
HORIZONTAL
5 AMP FUSE
#9 POSITIVE SIDE
If the fuse is not blown, check Pin 1 of the control panel or +12 volts.
Check Pin 2 for ground. If +12 and ground are present, the control
panel should be repaired or replaced. If +12 or ground is not present,
trace those wires to their source and repair. The ground should be a
good frame ground.
CONTROL PANEL
EXTEND
HOLD
RETRACT
WORKING UNDER VEHICLE. MANUAL USE LIMITED TO 4 MIN. WITHOUT COOL DOWN
TO PREVENT DAMAGE FROM OVERHEATING, DO NOT HOLD SWITCH
ON FOR MORE THAN TWO OUT OF EVERY FOUR MINUTES.
EMERGENCY
LEFT REAR
CAUTION!
OFF
VOLTS
MASTER
ON
LOW
#1 +12 ACC. TERMINAL
RIGHT FRONT
BLOCK FRAME SECURELY BEFORE CHANGING TIRES OR
VERTICAL
MANUAL OPERATION
HORIZONTAL
LEFT FRONT
RETRACT
EXTEND
HOLD
RETRACT
AUTOMATIC
LEVELING
AUTOMATIC
RIGHT REAR
RETRACT
HOLD
EXTEND
5 AMP
#2 BATTERY GROUND
REFER TO MP85.3455
or in the vertical
position.
