GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2007
🢒
Sierra - 4WD
🢒
Brakes
🢒
Trailer Brake Controls
🢒 Trailer Brake Control Schematics
Figure
1:
Module Power and Ground
Master Electrical Component List
Trailer Brake Controls Description and Operation
Control Module References
Trailer Brake Controls
Ignition II/III Voltage
RUN/CRANK BUS - AIRBAG IGN, MISC IGN and SEO/ALC Fuses
FSCM, ITBC and RDO Fuses
Stop Lamp Controls and CHMSL
Stop Lamp Controls and CHMSL
Serial Data Communication Enable
High Speed Bus - 2 of 3
G401 and G403
Figure
2:
Trailer Brake Controls
Master Electrical Component List
Trailer Brake Controls Description and Operation
Control Module References
Module Power and Ground
Dimming Control and LED Dimming 1 of 3
ABS-1, ABS-2, HEAVY DUTY ABS, HVAC BLWR, STUD 1, STUD 2 and WSW/HTR Fuses
G401 and G403
