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4.4.6 Additional Loads and Charging
Systems
NOTE: Auxiliary customer electrical loads must
only be made via the Customer Connection Points
provided, the Auxiliary Fuse Panel or the High
Specification Vehicle Interface Connector. For
loads greater than 180A see 'Third Party +12V
Power Take Off for loads exceeding 180A' section
in this BEMM. For further information or advice
contact your local Ford Dealer or National Sales
Company representative.
NOTE: Do not make any additional connections
to the Engine Junction Box (EJB) terminals, as
over-torqueing could cause damage to the EJB.
Any electrical loads should be taken from the
customer connection point. For applications that
require a permanent installation to gain power for
jump start requirements for example recovery
vehicle conversion, contact your National Sales
Company representative.
For additional information on number of available
Customer Connection Points
Refer to: 4.19 Electrical Connectors and
Connections (page 191).
EJB Terminal Studs
E176677
All loads that exceed 100mA continuous key off
load must be fitted with an isolation switch or
disconnected relay. In general all loads should
have some form of isolation. A supplemental
battery may be required to power systems, for
example: GPS vehicle tracking systems, that pull
high key off loads continuously.. This is to protect
from discharging batteries at ignition off and
interfering with the BMS correlation of battery
state of charge. This supply should also have a
dedicated protection fuse of the correct value.
High loads should also be grounded directly to the
vehicle body and not the negative battery terminal.
Connecting to the negative battery terminal will
bypass the BMS and affect the correct assessment
of the battery state of charge. Refer to BMS section
in this manual.
If separate charging systems are added, the ground
side of the charger must also be connected to the
body. An auxiliary ground stud eyelet, see figure
E176720, can be ordered, part numbers
DU5T-14436-G_ for single battery or jumper cable
GK2V-14301-F_ for twin battery systems. This will
be standard when pre ordered with Special Vehicle
120
Date of Publication: 03/2018
Options, A526, A606, A607,A608 and A652 and
Regular Production Order OW5. For additional
information on order codes
Refer to: 1.5 Conversion Type (page 15).
NOTE: If there is an isolation relay, check settings
to ensure batteries are connected to the charging
circuit.
For additional information
Refer to: 4.19 Electrical Connectors and
Connections (page 191).
Customer Connection Points.
Auxiliary Ground Stud Eyelet (Twin Battery
System shown)
E226134
Item
Description
1
6mm Auxiliary Ground Stud for Converter
Equipment - Torque 8.0Nm ± 0.8Nm
2
Battery Ground Jumper Cable part number
GK2V-14301-F_ for Twin Battery System
4.4.7 The Ford Programmable Battery
Guard (A540)
WARNINGS:
The Ford Programmable Battery Guard
(FPBG) is not designed for long duration
engine run power for loads greater than
70A. The system is mainly designed for
engine off short duration heavy loads, or
long duration low loads with the
protection by isolation to allow enough
energy to still crank the engine. The guard
can still provide engine run power to
provide high current short duration,
charge systems such as third party
batteries and systems such as inverters
but only for amperage versus time
durations as described further in this
section.
1
2
FORD TRANSIT 2016.75
EU
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