FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Connecting Breakout Box, Trailer Module (TRM)






Connecting the breakout box

Special tools:
951 1428 Breakout box 951 1428 Breakout Box
951 2888 16-pin AUD adapter 951 2888 16-Pin AUD Adapter
951 1508 Adapter 10-7-5 pin 951 1508 Adapter 10-7-5 Pin

Caution! Avoid touching control module connector pins and corresponding cable harness connectors. There is a risk of electrostatic discharge, which could damage the control module. Relieve any charge on yourself and the tools to be used by holding the metal part of the tool and touching part of the body just before starting work.

General information
Visually check the connectors to ensure that the male and female terminals are not damaged and that the cables for the female halves are properly connected.
The breakout box is designed to facilitate reading off control module output and input signals when the control module is connected as well as resistance of cables and components when the control module is disconnected. Using a breakout box reduces the risk of unintentionally short-circuiting cables or damaging connector pins.

Connecting the breakout box
- Ignition off
- To expose the connectors for the trailer module (TRM):
Connect breakout box 951 1428 Breakout box 951 1428 Breakout Box to the adapter.

Trailer Module (TRM)
- Connect adapter 951 2888 16-pin AUD adapter 951 2888 16-Pin AUD Adapter to the control module connector C1.
- Connect adapter 951 1508 Adapter 10-7-5 pin 951 1508 Adapter 10-7-5 Pin to the control module connector C2.
- For connector C1, terminals #C1:1 - #C1:2 correspond to terminals #31 - #32 on the breakout box.
- For connector C2, terminals #C2:1 - #C2:5 correspond to terminals #22 - #26 on the breakout box.