BCM Pin Values
Pin
Name
BCM Function
Note
A DMM
Ta
n
ks
1
Fresh 1Tank In
Input from Sending Unit
0-.74V = EMPTY (
○○○)
.75-1.74V = 1/3 (
●○○)
1.75-3.59V = 2/3 (
●●○)
3.6V = FULL (
●●●)
MEASURE FROM PIN 11 TO
EACH INPUT
VDC
2
Fresh 2 Tank In
Input from Sending Unit
VDC
3
Black 1 Tank In
Input from Sending Unit
VDC
4
Black 2 Tank In
Input from Sending Unit
VDC
5
Gray 1 Tank In
Input from Sending Unit
VDC
6
Gray 2 Tank In
Input from Sending Unit
VDC
7
Gray 3 Tank In
Input from Sending Unit
VDC
8
Tank Common
7VDC Output to all Tanks
7VDC
Li
gh
ti
n
g I/
O
’s
9
Light Group 1 12V Switch Input
Input
From External Momentary Switch
15A
12VDC
10
Light Groups 12V 15A In
Input for All Light Groups
From Main Breaker Box
12VDC
11
Light Group 1 Ground
Common Ground
GND
12
Light Group 1 12V 15A Out
Output
12VDC
13
Light Group 2 12V Switch In
Input
From External Momentary Switch
12VDC
14
Light Group 2 Ground
Common Ground
GND
15
Light Group 2 12V 15A Out
12VDC
16
Awning 12V Switch Input
Input
From External Momentary Switch
5A
12VDC
17
Ground
Common Ground
GND
18
Awning Light 12V 5A Out
Output
12VDC
19
Awning Light Ground
Common Ground
GND
Travel
Lockout
20
Travel Lockout 12V In
12V In from Tow Vehicle Brake Signal
Locks out all motor functions
12VDC
W
at
e
r
H
e
at
e
r
21
Water Heater Ground
Common Ground
GND
22
Water Heater Gas 12V 1A Out
12V Out to Gas Ignitor
1A
12VDC
23
Water Heater Electric 12V 1A Out
12V Out to Electric Ignitor
12VDC
24
Water Heater 12V Fault In
Receive 12V Fault Signal
12VDC
W
at
e
r
P
u
m
p
25
Ground
Common Ground
GND
26
Water Pump 12V 10A Out
Output
10A
12VDC
27
Water Pump Ground
Common Ground
GND
28
Water Pump 12V 10A In
Input
From Main Breaker Box
10A
12VDC