The Central Junction Box (CJB) is the prime
control module in the vehicle’s electrical
architecture. It is responsible for management of
most of the vehicle’s lighting, locking and security
systems. The following chart details the
consequences of overloading of the Central
Junction Box.
Maximum Loads on Central Junction Box
Overload ConditionMaximum
Load
Load TypeComponentFunction
Output driver damage5A/100msecRelayLow Side DriverBattery Discon-
nect Switch
Overheat - output shutdown75W@13VBulbLow Side DriverEntry Illumina-
tion
Overheat - output shutdown8A normal, 16A/
10msec in-rush
Electro-mechan-
ical horn
High Side DriverAlarm Siren
Output shutdown if more
than 35mA drawn
25mALogic supplyVoltage trackerAccelerator
Pedal
Blown fuse - if bigger fuse
fitted, relay and/or printed
circuit board damaged
100W@13VBulbRelayBattery Saver
Supply
Blown fuse - if bigger fuse
fitted, relay and/or printed
circuit board damaged
60W@13VBulbRelayLicence Plate
Overheat-output shutdown11W@13VBulbHigh Side DriverCluster Dimming
Blown fuse - if bigger fuse
fitted, relay and/or printed
circuit board damaged
63W@13VBulbRelayPosition Lamp
Left Hand
Blown fuse - if bigger fuse
fitted, relay and/or printed
circuit board damaged
43W@13VBulbRelayPosition Lamp
Right Hand
Overheat-output shutdown3x21W@13VBulbTurn Indicator
Left Hand
Overheat-output shutdown3x21W@13VBulbTurn Indicator
Right Hand
Blown fuse - if bigger fuse
fitted, relay and/or printed
circuit board damaged
15A (fuse
limited)
LatchRelayLock/double
lock
Relay and/or printed circuit
board damaged
5,42A@13V,
2,5mh
LatchUnlock Relay
FordTransit 2006.5 (April 2006–)
Date of Publication: 12/2006
4 Electrical
92
4.13 Fuses and Relays
4.13.1 Wiring Specification
When designing wire installations for additional
equipment use the cable size recommended by
the equipment manufacturer or select a suitable
size from the Current Rating Wire Sizes
specifications chart.
Refer to: 4.2 (page 94).
Wiring consists a soft annealed copper core in
accordance with DIN 57201 (VDDE 0201)
sheathed in Hypalon or irradiated PVC.
For 0,5mm cable an alternative material with
conductor E-CU F20 or F21 in accordance with
DIN 40500 sheathed in cross linked PVC is
available.
4.13.2 Auxiliary Fuses, Fuse Box
and Relays (Fuses - Standard)
WARNING: No increase in existing
vehicle standard fuse capacity is
allowed under any circumstances.
There are no spare fuses in the
Engine Junction Box, Standard Relay
Box or Central Junction Box. The
vehicle converter/modifier must
provide additional fuses as required.
Please refer to below chart.
Standard Fuses
ColorTypeAmpere
Rating
Part Number
GreyMINI2A1L3T 14A094 A_
VioletMINI3A1L3T 14A094 B_
TanMINI5A1L3T 14A094 D_
BrownMINI7.5A1L3T 14A094 E_
RedMINI10A1L3T 14A094 F_
BlueMINI15A1L3T 14A094 G_
YellowMINI20A1L3T 14A094 H_
NaturalMINI25A1L3T 14A094 J_
ColorTypeAmpere
Rating
Part Number
PinkJ-CASE30AF8SB 14A094 B_
GreenJ-CASE40AF8SB 14A094 C_
YellowJ-CASE60AXS21 14A094 A_
ColorTypeAmpere
Rating
Part Number
GreenMIDI40A2S6T 14A094 B_
YellowMIDI60A2S6T 14A094 D_
BlueMIDI100A2S6T 14A094 G_
FordTransit 2006.5 (April 2006–)
Date of Publication: 12/2006
4 Electrical
119
