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TROUBLESHOOTING
Electrical Schematic - BF3248YP
H
G
F
E
D
C
B
A
M
M
BATTERY
CHASSIS GROUND
CIRCUIT PROTECTION DEVICE
JUNCTION
MOTOR
DIODE
COIL
COUNTER
MICROSWITCH
RELAY
SYMBOLDESCRIPTION
P1
H
G
F
E
D
C
B
A
J1
NC
NO
C
NC
NO
C
NC
NO
C
86
4
3
1
2
PUMP
"DRIFT IN"
MICROSWITCH
RELAY 1
PRESSURE SWITCH
USER CONTROL SIGNAL TO STOW RAMP
CIRCUIT
PROTECTION
DEVICE (30 AMP.)
(5 AMP.)
GROUND
BATTERY
USER CONTROL SIGNAL TO DEPLOY RAMP
RA300 TRANSIT RAMP ASSEMBLY
POWER CONNECTIONS / CONTROL SIGNALS (PROVIDED BY INSTALLER) SYMBOL KEY
DRAWING SHOWN WITH RAMP IN STOWED POSITION
"DRIFT OUT"
MICROSWITCH
RELAY 3
COUNTER
12 GA. * 12 GA. *
12 GA. *
* RECOMMENDED WIRE GAUGE
GROUND
12 GA. or 16 GA.
*
RD - 12 GA. RD - 12 GA.
BK - 12 GA.
BL/BK - 14 GA.
OR/BK - 14 GA.
OR/BK - 14 GA.
YL/WH - 18 GA.
WH - 14 GA.
RD - 18 GA. RD - 18 GA.
BK - 12 GA.
BL/BK - 18 GA.
BL/BK - 14 GA.
BK - 12 GA.
RD - 12 GA.
BK - 12 GA.
BLUE (MOTOR) BLUE (MOTOR)
BK - 12 GA.
BK - 12 GA.
RD - 12 GA.
BK - 12 GA.
ORANGE (MOTOR) ORANGE (MOTOR)
BK - 12 GA.
RD - 12 GA.
YL - 14 GA.
WH - 14 GA.
RD - 12 GA. 12 GA. or 14 GA. *
OR/BK - 14 GA.
BL/BK - 14 GA.
BL/BK - 14 GA.
WH - 14 GA.
12 GA. or 16 GA. *
SIGNAL TO RAMP STOW INDICATOR
SIGNAL TO RAMP DEPLOY INDICATOR
12 GA. or 14 GA. *
USER CONTROL SIGNAL IGNITION/MANUAL RELEASE
12 GA. or 14 GA. *
30
87
87A
85
85
86
30
87
87A
RELAY 2
85
86
30
87
87A
NC
NO
C
"COUNTER & POWER DOWN"
MICROSWITCH
COIL
A
COIL
B
85
86
30
87
87A
BK - 16 GA.
BK - 16 GA.
COUNT
N/A POS
NEG
4
3
1
2