Charging circuit for GMC Sierra 2500 HD (2002-2012)
Charging circuit
5.3L W/DUAL BATTERIES
AUXILIARY BATTERY RELAY (RIGHT REAR OF ENG COMPT)
BATTERY
BLK WIRE
BLK/WHT WIRE
BRN WIRE
CHARGE INDICATOR CONTROL
COMPUTER DATA LINES
DK BLU WIRE
DK GRN WIRE
FUSIBLE LINK
FUSIBLE LINK (8.1L ONLY)
GENERATOR B+
GENERATOR FIELD DUTY CYCLE SIGNAL
GROUND
GRY WIRE
HOT IN RUN, START
I/P RELAY BLOCK (BELOW LEFT SIDE OF DASH, LEFT OF STEERING COLUMN)
IGN 1 VOLT
IGN E FUSE
INSTRUMENT PANEL CLUSTER
IPC CLASS 2 SERIAL DATA
LEFT BATTERY
LOGIG
PNK WIRE
POWER DISTRIBUTION SYSTEM
RED WIRE
RIGHT BATTERY
RIGHT BATTERY (W/AUX BATTERY)
SEO IGN FUSE
SERIAL DATA CLASS 2
SPLICE PACK
STARTER SOLENOID
SUPPLEMENTAL BRAKE ASSIST (SBA) PUMP MOTOR (MOUNTED TO POWER BRAKE BOOSTER)
UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT, NEAR BATTERY)
W/ SEO
W/AUX BATTERY
W/O SEO
