Gizmow Formula - Troubleshooting

Troubleshooting
Formula - 20071
50
There are eight relays mounted to the left of the operator’s position. These are
marked 1 through 8. The function of each is on the electrical diagram.
1N5408 1000V 3A DIODE
50
50 21A
20B
151A 150B
50 80B
13B
120B 50
50
120A
130B
50
130A 12B 13A
93B
5093A
91B
46A
92A 91A
45B
110A 46B
47A
50
31B
10A
40A 41A
21B
102B
11A10B
140A 21A
60B 20A
80A 60A
44B
22B 22A 21B
11B 12A 45A
90A
23A
90B
102A 101B
50
110B
152B
141B
42B 43A
50 40B
44A 43B
152A 151B
50 180A 41B 180B 42A
92B
100B 101A
170A
170B 50
31A
23B 100A 47B
30B 30A
CLUTCH 4
60A 80A
45A 44B 12A 11B
150A 140B 141A
43B 44A 151B
152A
170B
50
BRAKE/NEUTRAL
RELAYRELAY
N.O.
3-B+L+S
SWITCH
SWITCH
-
BATTERY
4G463A
START
SWITCH
BRAKE
RELAY
OPC
SHOWN IN NEUTRAL POSITION
N.C.
SWITCH
RH NEUTRAL
N.O.N.C.
CLUTCH
DECK LIFT
SWITCH (UP/DN)
DECK LIFT
4
N.C.
SWITCH
LH NEUTRAL
RUN
START SWITCH
2
1
OFF
3
START
2-B+L 1-M+G
+ BATTERY
S
B
L
M
G
A
25 A
FUSE
BLADE SWITCH
(SHOWN OFF)
RELAY
BLADE
CLUTCH
BRAKE/NEUTRAL
ENGINE
KILL
3
STARTER/
NEUTRAL
INTERLOCK
RELAY
1
KILL
2
ENGINE
RELAYRELAYRELAY
HOUR METER
2
OPC
ENGINE
KILL
1
BRAKE
KILL
ENGINE START
OPC
BEACON
FLASHING
HORN
REG LIGHT RH REAR LH REAR RED LIGHT
SWITCH HORN
N.O.
AMBER LIGHT
RH FRT
AMBER LIGHT
LH FRT
RH FRT
AMBER LIGHT
LH FRT
AMBER LIGHT
FUSE 25 A
WHITE LT LH FRT WHITE LT RH FRT
X
MAG
N.O.
L
P
RELAY FLASHER
N.O.
TURN SIGNAL
STARTER SOLENOID
B
+12V TO ENG ALT
ENGINE
Relays
Relay No. Function
1Clutch
2 Start/neutral interlock
3 OPC/start interlock
4OPC/brake interlock 1
5OPC/brake interlock 2
6 Brake/neutral interlock 1
7 Brake/neutral interlock 2
8OPC/brake logic
1
8