Daimler Trucks
North America LLC

Customer Advisory Letter

03/26/2021

CAL FTL 54-004

Subject: Customer Access to Fused Battery
Power and Ground inside a Cascadia Cab
Models Affected: 2017-2019 Freightliner Cascadia vehicles built without a cab load disconnect
switch (CLDS)

Work Instructions
General Information
NOTE: Cascadia and New Cascadia vehicles have entirely different electrical architecture.
Cascadia vehicles have an accessible fused battery power and ground location inside the cab. The SAM
CAB has a variety of fuse locations available for customer access.
Additionally, ground splice packs are available for a clean ground-return termination point.

Locating Available Fuses, Connectors, and Pins
1. To locate the available fuses and their respective connectors and pins, go to the Service Solution
3672 Sam Cab and Sam Chassis Wall Chart.
2. Next, go to the eComponents site located on the DTNA Connect site within Daimler Trucks
Technical Support. See the following sub-steps for navigating the eComponents site.
2.1. Select the Daimler Trucks Technical Support link. See Fig. 1.

Fig. 1, Daimler Trucks Technical Support Link in DTNACONNECT

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Daimler Trucks
North America LLC

Customer Advisory Letter

03/26/2021

CAL FTL 54-004
2.2. Select the eComponents link. See Fig. 2.

Fig. 2, eComponents Link in Daimler Trucks Technical Support
2.3. Select the Freightliner option. See Fig. 3.

Fig. 3, Freightliner Link in DTNA eComponents

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Daimler Trucks
North America LLC

Customer Advisory Letter

03/26/2021

CAL FTL 54-004
2.4. Select the Cascadia / New Cascadia option. See Fig. 4.

Fig. 4, Cascadia / New Cascadia Link in eComponents.
2.5. Select the OBS 13/15 link. See Fig. 5.

Fig. 5, Cascadia / New Cascadia OBD 13 / 15 Link.

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Daimler Trucks
North America LLC
03/26/2021

Customer Advisory Letter

2.6. Select the Power Distribution option. See Fig. 6.

CAL FTL 54-004

Fig. 6, Power Distribution Option in Cascadia OBD 13 / 15
2.7. Select the SAM Cab option. See Fig. 7.

Fig. 7, SAM Cab Option in Power Distribution
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Daimler Trucks
North America LLC

Customer Advisory Letter

03/26/2021

CAL FTL 54-004
2.8. The top side of the SAM Cab Pin layout will display. See Fig. 8. Selecting any of the
connector options will display the correct pins for each cavity in the connector.
Note the link to view the SAM Pin Layout Wall Chart (previously mentioned in Service
Solution 3672) at the top of the screen.

Fig. 8, Top Side View of SAM Cab Pin Layout
2.9. Select the SAM Pin Layout Wall Chart Link and look at fuse 32. See Fig. 9.

Fig. 9, Fuse 32 Representation from SAM Pin Layout Wall Chart
As the vehicles addressed in this customer advisory letter do not have a cab load
disconnect (CLDS) switch, this location will have constant battery power.
Note that connector X15 pins 1 and 2 are fed by fuse 32.
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Daimler Trucks
North America LLC
03/26/2021

Customer Advisory Letter

CAL FTL 54-004
2.10. Return to the view of the top side of the SAM Cab Pin layout. Note that connector X15
is a four pin connector with reasonable access. See Fig. 10.

Fig. 10, Connector X15 on Top Side View of SAM Cab Pin Layout
2.11. Select the X15 connector to view its respective terminals. See Fig. 11.

Fig. 11, X15 Terminals
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Daimler Trucks
North America LLC

Customer Advisory Letter

03/26/2021

CAL FTL 54-004

Ground Access

1. Open Parts Pro and select module 320 to access the installation diagram print INSTL-SRVC,
DASH HARN D06-56742-000 for the physical location of the auxiliary ground splice
PWR_DASH_O_SP_GND_AUX_1A. See Fig. 12.

Fig. 12, INSTL-SRVC, DASH HARN D06-56742-000
2. Also in Parts Pro, select module 285 for the schematic WRG-PWR, IN CAB AUX PDB, G66-02258000 and note splice pack PWR_DASH_O_SP_GND_AUX_1A. See Fig. 13. Note the part number of
the splice pack: 23-13141-018.

Fig. 13, Splice Pack PWR_DASH_O_SP_GND_AUX_1A
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Daimler Trucks
North America LLC

Customer Advisory Letter

03/26/2021

CAL FTL 54-004

3. Open DTNA Connect and navigate to EZWiring and select the EZWiring icon. See Fig. 14.

Fig. 14, EZWiring Icon
4. In EZWiring under ‘Drawing View’ type the above noted splice pack part 23-13141-018 into the
Diagram Part Number field and select the ‘View’ button. See Fig. 15.

Fig. 15, EZWiring ‘Drawing View’ Screen

5. Scroll all the way down until the 23-13141-018 option is visible. Note the terminals intended for
this connector. See Fig. 16.
These terminals are available for viewing individually in EZWiring to determine their respective
gauge and alloy.

Fig. 16, Terminal Types for Connector 23-13141-018

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