5
SUPPLY
1
2
3
4
5
6
7
8
HOUR METER
ENABLE
SETUP
ENABLE
RESIST
ANCE BASED SENDER
+
-
LOAD
KEYSWITCH
V+
V-
PIN 7 = 0.5A FET
SUPPLY
1
2
3
4
5
6
7
8
RESIST
ANCE BASED SENDER
+
-
LOAD
HOUR METER
ENABLE
SETUP
ENABLE
KEYSWITCH
V+
V-
PIN 3 = 0.5A FET
SUPPLY
A
U
T
O-RANGE SWITCH
OPEN = 24 or 48
CLOSED = 12 or 36
+
-
1
2
3
4
5
6
7
8
LOAD
HOUR METER
ENABLE
SETUP
ENABLE
KEYSWITCH
V+
V-
PIN 7 = 0.5A FET
SUPPLY
1
2
3
4
5
6
7
8
A
U
T
O-RANGE SWITCH
OPEN = 24 or 48
CLOSED = 12 or 36
+
-
LOAD
HOUR METER
ENABLE
SETUP
ENABLE
KEYSWITCH
V+
V-
PIN 3 = 0.5A FET
SUPPLY
+
-
1
2
3
4
5
6
7
8
LOAD
PIN 7 = 0.5A FET
HOUR METER
ENABLE
SETUP
ENABLE
KEYSWITCH
V+
V-
PIN 7 = 0.5A FET
SUPPLY
1
2
3
4
5
6
7
8
HOUR METER
ENABLE SWITCH
SETUP ENABLE
SWITCH
+
-
LOAD
KEYSWITCH
HOUR METER
ENABLE
SETUP
ENABLE
KEYSWITCH
V+
V-
PIN 3 = 0.5A FET
AMP Connector
Molex Connector
Resistive based sender input (i.e. temp, fuel and pressure).
BDI (with auto-range switch)
Voltmeter
2.2 Typical Wiring Diagrams
53034CUSTPDF 3/03