Terminal 1: Crank (source)
Diagram 4: A88-F Wiring Terminals
Terminal 2: Crank (sink)
Terminal 3: Choke (sink)
Terminal 4: Start I/P
Terminal 5: Breaker ignition I/P
Terminal 6: Magnetic pickup I/P
Terminal 21: Common
Terminal 22: Normally Closed (N.C.)
Terminal 23: Normally Open (N.O.)
Terminal 24: No Connection
Terminal 25: Negative (–)
Terminal 26: Positive (+)
Terminal 7: Alternator I/P
Terminal 8: Vacuum switch I/P
Terminal 9: Ground for time delay I/P
Terminal 10: No connection
Terminal 11: Oil pressure I/P
Terminal 12: Water temperature I/P
Terminal 13: Spare I/P
Jumper for alarm
before start
Terminal 14:
Terminal 15:
Terminal 16: Connect to #17 for
momentary operation
Terminal 17: Stop I/P
Terminal 18: Engine running (sink)
Terminal 19: Time delay (sink)
Terminal 20: Alarm summary (sink)
2326 25 24
Ignition Relay
22 21
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
9