GMC Suburban C1500 (1985-1999) panel dimmer switch Wiring diagrams

BATTERY JUNCTION BLOCK (RIGHT REAR ENGINE COMPARTMENT, AT COWL) BLK WIRE CARGO LAMP CARGO LAMP SWITCH CONVENIENCE CENTER COURTESY SWITCH CREW CAB ONLY CREW CAB, SUBURBAN, UTILITY W/OVERHEAD ROOF CONSOLE CTSY FUSE FRONT DOME LAMP FUSE BLOCK HOT AT ALL TIMES IN-LINE FUSE LEFT FRONT DOOR JAMB SWITCH ORG/ WIRE ORG/BLK WIRE OVERHEAD ROOF CONSOLE LAMPS PANEL DIMMER SWITCH REAR DOME LAMP RED WIRE RIGHT FRONT DOOR JAMB SWITCH SUBURBAN/YUKON BASE UNDERHOOD REEL LAMP WHT WIRE

BATTERY JUNCTION BLOCK (RIGHT REAR ENGINE COMPARTMENT, AT COWL) BLK WIRE BLK/ORG WIRE CONVENIENCE CENTER COURTESY SWITCH CTSY FUSE DOME LAMP OVERRIDE SWITCH (IF EQUIPPED) FRONT DOME AND READING LAMPS FUSE BLOCK HOT AT ALL TIMES I/P COMPARTMENT BOX LAMP IN-LINE FUSE LEFT FRONT DOOR JAMB SWITCH LEFT I/P COURTESY LAMP LEFT REAR DOOR JAMB SWITCH NCA WIRE NO GROUND LOCATION AVAILABLE ORG/ WIRE OVERRIDE JUMPER (W/O SWITCH) PANEL DIMMER SWITCH REAR DOME AND READING LAMPS REAR DOOR OR TAILGATE JAMB SWITCH RED WIRE RIGHT FRONT DOOR JAMB SWITCH RIGHT I/P COURTESY LAMP RIGHT REAR DOOR JAMB SWITCH UNDERHOOD REEL LAMP UTILITY ONLY WHT WIRE

7.4L A/C COMP FUSE A/C COMPRESSOR CLUTCH RELAY ABS FUSE 4 AUX FAN FUSE RR DEFOG FUSE AUX PWR AUTO HEADLAP FUSE 22 AUXILIARY AUXILIARY MEDIUM HIGH BLOWER BLOWER MOTOR MOTOR RELAY RELAY AUXILIARY COOLING FAN RELAY AUXILIARY ROOF LAMP RELAY AUXILIARY ROOF LAMP SWITCH BLK WIRE BLOWER FUSE 3 BLU WIRE BRAKE CONTROL MODULE BREAKOUT) BRAKE LAMP RELAY UNDERHOOD FUSE-RELAY CENTER BREAKOUT GASOLINE-ENG HARN, BREAKOUT) CAMP/TRAIL FUSE CARGO LAMP SWITCH CONN CONVENIENCE CENTER CTSY FUSE 3 DIODE DRL/FOG FUSE 15 DUAL BATTERY ECM-B FUSE ELECTRONIC BRAKE CONTROL MODULE EVO/ PASSLOCK MODULE FROM LT GRN 6-PIN WIRE FRONT POWER REAR DOME OUTSIDE DOME REARVIEW LAMPS LAMPS MIRROR SWITCH FUEL PUMP OIL PRESSURE SWITCH AND SENDER FUEL PUMP RELAY UNDERHOOD FUSE-RELAY CENTER FUSIBLE LINK (10 GA-RUST) GARAGE OVERHEAD DOOR CONSOLE OPENER READING LAMPS GENERATOR (BASE) GENERATOR (UPLEVEL) HEADLAMP HEADLAMP AND PANEL DIMMER SWITCH HEADLAMP CONTROL MODULE HEATER AND A/C CONTROL SWITCH HEATER MIRROR RELAY HIGH AUXILIARY BLOWER LOW MOTOR BLOWER RELAY MOTOR RELAY HORN FUSE HORN RELAY UNDERHOOD LAMP UNDERHOOD FUSE- RELAY CENTER HTD MIR FUSE I/P COMPARTMENT BOX LAMP I/P FUSE BLOCK INFLATABLE RESTRAINT SWITCH BREAKOUT) INSTRUMENT CLUSTER (POLICE RIGHT PACKAGE) VANITY MIRROR LEFT BATTERY (DIESEL) LEFT COURTESY LAMP LEFT VANITY MIRROR MEGA FUSE BLOCK NCA WIRE OR BLK 8-PIN IN-LINE WIRE ORG/ WIRE OVERHEAD FRONT INTERIOR CONSOLE DOME LAMP CONTROL READING LAMP MODULE LAMPS PANEL DIMMER SWITCH PICKUP ONLY PK LPS FUSE 9 POWERTRAIN CONTROL MODULE (DIESEL) RADIO BATT FUSE 19 AUX FUSE 22 RED WIRE REMOTE BATTERY STUD RIGHT BATTERY RIGHT COURTESY LAMP SECURITY/ STRG FUSE 21 SEO FUSE SINGLE BATTERY (BASE) SINGLE BATTERY (UPLEVEL) SPARE POWER SOURCE SPOTLAMP (POLICE PACKAGE) STARTER MOTOR SOLENOID STOP FUSE 2 LIGHTING FUSE 8 TO FUSIBLE LINK (DIAGRAM 5 OF 6) TO MEGAFUSE (DIAGRAM 6 OF 6) TO UNDERHOOD FUSE-RELAY CENTER (DIAGRAM 2 OF 6) UNDERHOOD FUSE-RELAY CENTER UPPER LEVEL VEHICLE CONTROL MODULE (GASOLINE) W/O RKE YEL WIRE