Sierra 3500 4WD V8-6.0L (2008)
![background image](/gmc/sierra_3500_4wd/v8-6.0l/Page-2347002.png)
Right Rear Frame Rail (31 Series)
1 - Trailer Brake Controller Solid State Relay
2 - Trailer Brake Controller Module (TBCM)
Right Rear Frame Rail (31 Series)
1 - Trailer Brake Controller Solid State Relay
2 - Trailer Brake Controller Module (TBCM)