FleetPulse Pro Trailer Parts Diagram
Explore the FleetPulse Pro trailer parts diagram to understand components and enhance maintenance and repair efficiency.
Written by Randy French
Updated at September 22nd, 2026
Every part is labeled by number and name on the diagram. Expand any part below for its photo, part number, and notes.
Numbers on the diagram match the parts list below. The Guardian Device Harness (2a) sits inside the Grote Ultra Nosebox (2) and ships with P/N 41300651.
Gateway & controller
1 FleetPulse Pro Gateway
P/N 41300637 |
Wabco ABS trailers |
P/N 41300644 |
Bendix ABS trailers |
The telematics device. Connects to the squid harness (10) through the FleetPulse Telematics Harness (16).
3 Wabco iABS Valve
P/N 40513205 |
The trailer ABS valve. Links back to the system through the Wabco Diagnostic Cable (14) and ABS ECU Jumper Harness (12), and hosts the iABS sensor, power, GIO and pressure connections (20 to 24).
Trailer hardware
2 Grote Ultra Nosebox
P/N 41300651 |
Nosebox that supplies trailer power. The Nosebox Power Harness (8) and Grote Guardian Jumper Harness (9) connect here.
4 Plastic Battery Box
P/N 41300636 |
Enclosure for the 12-Volt Battery (6). Mounts with the battery mounting brackets (5a, 5b).
5a Battery Mounting Bracket
P/N 40103570 |
Side bracket that holds the Plastic Battery Box (4).
5b Battery Mounting Bracket
P/N 40103571 |
Base plate bracket that the Plastic Battery Box (4) sits on.
6 12-Volt Battery
P/N 41300251 |
Backup battery inside the Plastic Battery Box (4). Connects through the Battery Fuse Harness (13).
7 Magnet Door Sensor Bracket
P/N 41800192 |
Mounts the magnet door sensor at the end of the Magnet Door Sensor Harness (19).
Harness
2a Guardian Device Harness
P/N 41300986 |
Located inside the Grote Ultra Nosebox (2). Included with P/N 41300651. The Grote Guardian Jumper Harness (9) plugs into it.
8 Nosebox Power Harness
P/N 41300894 |
Runs from the nosebox (2) to the squid harness (10). Inside the nosebox it lands on the Blue Ring-T and White Ring-T terminals.
9 Grote Guardian Jumper Harness
P/N 41300895 |
Runs from the Guardian Device Harness (2a) inside the nosebox to the squid harness (10).
10 FleetPulse Squid Harness
P/N 41300896 |
Central hub harness. Every branch (8, 9, 11, 12, 16, 18) connects here.
11 Door Sensor Jumper Harness
P/N 41300897 |
Runs from the squid harness (10) to the Magnet Door Sensor Harness (19).
12 ABS ECU Jumper Harness
P/N 41300898 |
Runs from the squid harness (10) to the Wabco Diagnostic Cable (14).
13 Battery Fuse Harness
P/N 41300899 |
Inline fused lead between the Battery Jumper Harness (18) and the 12-Volt Battery (6).
16 FleetPulse Telematics Harness
P/N 41300950 |
Connects the FleetPulse Device (1) to the squid harness (10).
18 Battery Jumper Harness
P/N 41300951 |
Runs from the squid harness (10) to the Battery Fuse Harness (13).
19 Magnet Door Sensor Harness
P/N 41300952 |
Door sensor lead. Connects to the Door Sensor Jumper Harness (11) and mounts on the bracket (7).
ABS
14 Wabco Diagnostic Cable
P/N 41300900 |
Connects the ABS ECU Jumper Harness (12) to the Wabco iABS Valve (3).
15 ATIS T-Harness Cable
P/N 40500292 |
T-harness that connects to the iABS GIO 1 TIS Cable (22).
20 iABS Sensor Cable (x4)
P/N 40513207 |
Four cables per trailer, two on top and two on the bottom of the iABS valve (3).
21 iABS Power Supply Cable
P/N 40513206 |
Power cable on the bottom of the iABS valve (3).
22 iABS GIO 1 TIS Cable
P/N 40500293 |
Runs from the iABS valve (3) to the ATIS T-Harness Cable (15).
23 iABS GIO 2 Load Sensor Cable
P/N 40500297 |
Runs from the iABS valve (3) to the iABS Pressure Sensor (24).
24 iABS Pressure Sensor
P/N 41904178 |
Sensor at the end of the iABS GIO 2 Load Sensor Cable (23).