GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Yukon Denali 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 Power Distribution Schematics
Figure 1:

B+ Bus - 1 of 3
Object Number: 2074487 Size: FS
Figure 2:

B+ Bus - 2 of 3
Object Number: 2074489 Size: FS
Figure 3:

B+ Bus - 3 of 3
Object Number: 2074491 Size: FS
Figure 4:

AUX PWR, AUX PWR 2, LBEC 1, PDM, and REAR WPR Fuses
Object Number: 2074493 Size: FS
Figure 5:

IS LAMPS, LT STOP TRN, OBS DET, REAR SEAT, and STOP LAMPS Fuses and LT DR Circuit Breaker
Object Number: 2074497 Size: FS
Figure 6:

LCK 1, LCK 2, UNLCK 1, UNLCK 2, INFO and REAR SEAT ENT Fuses
Object Number: 2074500 Size: FS
Figure 7:

BCM, COOLED SEATS, CTSY, DDM, DIM, DSM, LBEC 2, MBEC 1, REAR HVAC, and RT STOP TRN Fuses and DRIVER SEAT 2, PASS SEAT 1, and RT DOORS Circuit Breakers
Object Number: 2074505 Size: FS
Figure 8:

ECM-BATT, HEADLAMP WASH, HVAC BATT, IPC, LTR, S/ROOF, and TCM-BATT Fuses
Object Number: 2074509 Size: FS
Figure 9:

AMP, ELEC RUN BOARD, ESC/ALC EXH, EXP/BRK MDL and TREC Fuses
Object Number: 2074513 Size: FS
Figure 10:

RDO Fuse
Object Number: 2074516 Size: FS
Figure 11:

ABS-1, ABS 2, HEAVY DUTY ABS, HVAC BLWR, STUD 1, STUD 2, and WFHS Fuses
Object Number: 2074521 Size: FS
Figure 12:

ALC/COMP, EAP, and LGM Fuses
Object Number: 2074532 Size: FS
Figure 13:

AIRBAG, SEO B1, and SEO B2 Fuses
Object Number: 2074536 Size: FS
Figure 14:

TRLR BCK/UP, TRLR STOP LT, TRAILER STOP RT, and VEH BCK/UP Fuses
Object Number: 2074541 Size: FS
Figure 15:

DLIS Fuse and Ignition Switch
Object Number: 2074546 Size: FS
Figure 16:

PWR/TRN Bus - ECM/THROT, ENG, O2-A SNSR and O2-B SNSR Fuses
Object Number: 2074553 Size: FS
Figure 17:

PWR/TRN Bus - INJ-A and INJ-B Fuses
Object Number: 2074559 Size: FS
Figure 18:

RUN/CRANK Bus - AIRBAG IGN, MISC IGN and SEO/ALC Fuses
Object Number: 2074569 Size: FS
Figure 19:

RUN/CRANK Bus - ECM-IGN and TRANS IGN 1 Fuses
Object Number: 2074573 Size: FS
Figure 20:

RUN/CRANK Bus - AUX HVAC-IGN and HVAC-IGN Fuses
Object Number: 2074577 Size: FS
Figure 21:

FOG LAMP, HI HEADLAMP-LT and HI HEADLAMP-RT Fuses
Object Number: 2074583 Size: FS
Figure 22:

DRL, DRL 2, LO HDLP-LT, LO HDLP-RT, and STRTR Fuses
Object Number: 2074585 Size: FS
Figure 23:

LT PRK Fuse
Object Number: 2074589 Size: FS
Figure 24:

RT PRK AND TRLR PRK Fuses
Object Number: 2074592 Size: FS
Figure 25:

A/C CMPRSR, FRT WASH, FUEL PUMP, HORN, REAR DEFOG, and REAR WASH Fuses
Object Number: 2074595 Size: FS
Figure 26:

Fuse Block - Auxiliary B+ Bus
Object Number: 2074600 Size: FS
Figure 27:

ACCM, ACPO, BECM, BECM FAN, CAB HTR PUMP, COOL PUMP, EPS, PIM 1 and PIM 2 Fuses
Object Number: 2074606 Size: FS
Figure 28:

FAN 1 and FAN 2 Fuses
Object Number: 2074611 Size: FS