marinco 772-DBC-EZ Installation Instructions Manual Download Page 2

EZ Mount Installation (Surface Mount Only)
1.  Disconnect battery positive leads at the batteries for safety
2.  Choose mounting location on a flat surface close to the batteries 
3.  Select pan head (or similar) screws for mounting - use either M5 or 10g imperial (not included) 
4.  With Actuator removed, use the switch base as a mounting template to mark the hole positions. 

See details on next page for Actuator removal

5.  Drill holes and screw switch base into position 
6.  Connect cables to studs ensuring that batteries and loads are correctly fitted 
7.  Ensure cables are secured to ISO/ABYC standards, and that cables are  

supported so they are not placing unnecessary strain on the battery switch studs

8.  Check that spring washers are fitted beneath nuts 
9.  Tighten the stud nuts to 13.5 Nm (10 lbf) 
10. Slot the side panel(s) into the Actuator as required 
11.  Replace Actuator, ensuring that both switch base and Actuator are both in their “OFF” positions 
12. Lock the Actuator Grey fastening screws 
13. With switch in “OFF” position connect battery positive leads at battery 
14. Check switch operation

Example System: 

NOTE -This diagram is a guide only showing Dual Bank Control Switch 

connections and is not intended as a full electrical systems wiring diagram. 

Double Pole/DBC

EZ Mount 

Dimensioned

Double Pole/DBC

EZ Mount Base

Dual Bank Control Switch 

Loads

Engine

Battery

Battery

Start

+

-

+

-

House

DVSR

Loads

Positive

Bus

Negative

Bus

House 

Battery

Fuse

Optional 

Start 

Batt

Fuse

Example System: NOTE -This diagram is a guide only 

showing Dual Bank Control Switch connections and is 

not intended as a full electrical systems wiring diagram.

+

1

2

+

1

2

Loads

Engine

Battery

1

Battery

2

Loads

+

+

OFF

ON

ON

PARALLEL

1

1

2

76.2 [3.00]

97.8 [3.85]

97.8 [3.85]

76.2 [3.00]

Ø5.5 [

Ø0.22]

97.8 [3.85]

15.6 [0.61]

76.9 [3.03]

92.5 [3.64]

62.4 [2.46]

30.1 [1.19]

27.5 [1.08]

DVSR (710-140A)

provides automatic

battery charging

of second bank

    

TO

RQ

UE

    TORQUE

Panhead

Cheesehead

Sockethead

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