7. Please connect the battery charger to the
vehicle ground - not the battery negative post.
This is to ensure the Battery Monitoring System
(if fitted) is able to identify the battery charger.
Battery Cable Fixing Torque
The battery cables should be fixed to the terminal
posts with a torque of 4.8 Nm -/+ 0.8Nm.
Battery Part Numbers and Usage
SizeSpecificationsBattery
Supplier
Ford Plant
Standard Duty Battery
T660Ah, 590CCA, 105RC (Calcium Technology)Siam GSThailand
T648Ah, 590CCA, 105RC (Silver Calcium Technology)First National
Battery
South Africa
T660Ah, 590CCA, 105RC (Silver Calcium Technology)MouraSouth America
Heavy Duty Battery
T768Ah, 750CCA, 150RC (Calcium Technology)Siam GSThailand
T768Ah, 750CCA, 150RC (Silver Calcium Technology)First National
Battery
South Africa
Auxiliary Battery (Vehicles with Special Equipment Pack)
H780Ah, 800CCA, 140RC (VRLA AGM Deep Cycle
Technology)
First National
Battery
South Africa
Battery Monitor System (BMS)
Ford Ranger vehicles are equipped with a new
feature called Battery Monitor System (BMS). This
system measures the battery load in order to
efficiently charge the battery while improving fuel
economy and emissions.
It is important to ensure any additional electrical
load or accessory is properly grounded to the
vehicle’s body, in order for the system to identify
the additional load. If a connection is made to the
battery negative terminal, the BMS will not identify
the load or charge. This may cause the battery to
be undercharged and consequently not able to
re-start the vehicle.
Auxiliary Battery and with Battery Monitor
System (BMS)
WARNING: Under no circumstances
should a secondary battery connection
be made directly to any of the vehicle's
battery terminals.
NOTE: The addition of an auxiliary battery in a
vehicle with BMS would cause both batteries to
not reach a state of full charge. The system will
only allow charging of the batteries during
deceleration. Refer to Dual Batteries with Battery
Monitor System (BMS) in this section.
NOTE: Disabling the BMS will negate the fuel
economy benefit provided by the BMS.
For vehicles equipped with BMS, an additional
battery can be connected using one of the
following methods:
1. Use an in-vehicle battery charger (DC/DC
converter) such as BCDC1220 model from
Redarc (or similar) and ground it to the vehicle
body.
2. Request a Ford dealer to disable the BMS.
Disabling the BMS enables voltage sensitive
relay based dual battery systems to work.
Connection of Auxiliary Loads
WARNING: Under no circumstances
should any unfused connections be made
directly to any of the vehicle's battery
terminals.
NOTE: Auxiliary loads must always be connected
to the vehicle ground and not to the battery
negative terminal.
FORD RANGER 2012
Date of Publication: 12/2014
4 Electrical
40
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