INSTALLATION
Install the 091-139-CONT-12 Controller is a suitable location protected from the
weather and engine heat. The 091-139-SOL-12HO Solenoid may be mounted in
the engine compartment or at a location to minimize the length of the battery
cables. Install wiring per figure 2.
MAIN
BATTERY
AUXILIARY
BATTERY
PARALLELING
SOLENOID
1 2 3 4 5 6 7 8
+12VOLT
FROM
STARTER
+12VOLT
FROM
GNITION
SWITCH
Model 091-139-12
AUTO ISOLATOR I
INSTALLATION WIRING
Figure 2
THIS LINE SUPPLIES
THE POWER TO OPERATE
THE SYSTEM
SENSE LINE, CONNECT
DIRECTLY TO BATTERY
SENSE LINE, CONNECT
DIRECTLY TO BATTERY
THIS LINE ENERGIZES THE
SOLENOID AT ENGINE START
IF THE AUXILIARY BATTERY
HAS SUFFICIENT VOLTAGE
TO PROVIDE A BOOST
NOTE POLARITY OF
FLYBACK DIODE
ALL WIRES #16 AWG EXCEPT AS NOTED
#2
AW
G
M
IN
.
091-139-CONT-12
AUTO ISOLATOR I CONTROLLER
Note: Red Dot
