Exterior light circuit for GMC Cab & Chassis C2500 (1989-2000)
Exterior light circuit (1 of 2)
AUXILIARY LEAD (TAPED NEAR FUSE BLOCK)
BLK WIRE
BLU WIRE
BRN WIRE
CARGO CHMSL
CARGO LAMP SWITCH
CARGO/ CHMSL LAMPS
CLEARANCE LAMPS CIRCUIT (W/DUAL REAR WHEELS)
CONVENIENCE CENTER (BEHIND INTERIOR LEFT SIDE LIGHTS SYSTEM OF I/P)
CONVENIENCE CENTER (BEHIND LEFT SIDE OF I/P)
CRUISE CONTROL SYSTEM
CTSY LPS
DK BLU WIRE
DK DK
DK GRN WIRE
FUSE 1
FUSE 16
FUSE 3
FUSE 9
FUSE BLOCK (LOWER LEFT SIDE OF I/P)
GRN WIRE
HAZARD
HAZARD FLASHER
HEADLIGHT/ PANEL DIMMER SWITCH
HOT AT ALL TIMES
HOT AT ALL TIMES U/H FUSE/ RELAY CENTER (LEFT REAR ENGINE COMPT)
HOT IN RUN, BULB TEST OR START
IDENTIFICATION LAMPS
INSTRUMENT CLUSTER
LEFT BACKUP LIGHT
LEFT CLEAR- ANCE LAMP
LEFT FRONT MARKER LIGHT
LEFT FRONT PARK/ TURN LIGHTS
LEFT TAIL/ STOP/ TURN LIGHT
LEFT TURN IND
LEFT TURN, HAZARD
LH RH
LICENSE LICENSE LIGHTS LIGHT
LT BLU WIRE
LT DK
LT GRN WIRE
LT LT
M/T A/T
MAXI FUSE 2
NORMAL
ORG/ WIRE
PARADE MODE SW
PARK LPS
PARK RHEO- STAT OFF
PLATFORM HITCH GROUND
PNK M/T A/T WIRE
PNK WIRE
PPL
RED WIRE
RIGHT BACKUP LIGHT
RIGHT CLEAR- DK ANCE LAMP
RIGHT FRONT MARKER LIGHT
RIGHT FRONT PARK/ TURN LIGHTS
RIGHT TAIL/ STOP/ TURN LIGHT
RIGHT TURN IND
RIGHT TURN, HAZARD
STOP HAZ
STOP LAMP RELAY
STOP LAMP/ TCC SWITCH (ON BRAKE PEDAL SUPPORT BRACKET)
TURN B/U
TURN FLASHER
TURN/ HAZARD SWITCH
U/H FUSE/ RELAY CENTER (LEFT REAR ENGINE COMPT)
W/ STEP W/O STEP BUMPER BUMPER
W/OPTIONAL TRAILER TOW PACKAGE
WHT WIRE
WIRE LEADS ARE SPLICED TO TRAILER WIRING, OR CONNECTED TO TRAILER WIRE PLUG
YEL WIRE
Exterior light circuit (2 of 2)
BLK WIRE
BRN WIRE
ENDGATE CLEARANCE LAMPS
ENDGATE CROUND
FUSE 9
FUSE BLOCK (LOWER LEFT SIDE OF I/P)
HEADLIGHT/ PANEL DIMMER SWITCH
HOT AT ALL TIMES
LEFT FRONT CLEARANCE LAMP
LEFT REAR CLEARANCE LAMP
LEFT REAR FENDER
OFF
ORG/ WIRE
PARADE MODE SW
PARK
PARK LPS
RHEO- STAT
RIGHT FRONT CLEARANCE LAMP
RIGHT REAR CLEARANCE LAMP
RIGHT REAR FENDER