Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2010 GMC Savana 3500 V8-6.0LFACTORY OEM SERVICE PROCEDURE
Power Distribution Schematics
POWER DISTRIBUTION SCHEMATICS
B+ Bus - Underhood Fuse Block (1 of 2)
B+ Bus - Underhood Fuse Block (2 of 2)
B+ Bus - Body Fuse Block
AUX PWR OUTLET, BCM-1, BCM-2, BCM-3, BCM-4, BCM-5, BCM-6, BCM-7, FOH MDL, FRT BLWR, LTR/DLC, and TRLR WRG Fuses
A/C CMPRSR, ABS MDL, ABS MTR, DIESEL FUEL PUMP, GAS FUEL PUMP, HORN, and WASH Fuses
AUX STOP LAMP(S), LT HI BEAM, LT STOP/TRN TRLR, RT HI BEAM, RT STOP/TRN TRLR, and STRTR SOL Fuses
DRL 1, DRL 2, LT LO BEAM, RT LO BEAM, SEO, and TCM BATT Fuses
CNSTR VENT SOL, ECM BATT, FCSM BATT, and WPR Fuses
AIRBAG, BRK SW, ECM IGN/GLOW PLUG MDL IGN, FCSM IGN, IPC, STR/WHL/SNSR, TCM IGN, and TRANS Fuses
ECM PWR/TRN, MAF/CNSTR VENT, O2 SNSR 1 (PRE)/CLS, and O2 SNSR 2 (POST) Fuses
ECM PWR/TRN, EVEN IGN/INJ, FUEL HTR, and V6 FUEL INJ Fuses
FAN CLTCH (EV) and ODD IGN/INJ Fuses
HVAC CNTRL, I/P CLUSTER, OSRVM SW, RDO/CHIME, REAR BLWR, and RFA/TPM Fuses and PWR SEATS Circuit Breaker
Ignition Switch and IGN SW (DLIS)/PK3 MDL Fuse
AIRBAG/AOS, OSRVM HTR, and REAR DEFOG Fuses and PWR WINDOW(S) Circuit Breaker
CARGO DR UNLCK, DVR DR UNLCK, FRT PASS DR UNLCK and REAR PASS DR UNLCK Fuses
FRT DR LCK, REAR DR LCK and UPFITTER AUX1 Fuses
HVAC1 AND HVAC2 Fuses
AUX/TRLR BCK/UP, CMPS, READING LAMP(S), TAIL LAMP(S), and UPFITTER AUX2 Fuses
AUX PRK LAMP(S), FRT PRK LAMP(S), LT REAR PARK LAMP, RT REAR PRK LAMP, TRLR PRK LAMP(S), and UPFTR PRK LAMP(S) Fuses
UPFTR CTSY LAMP(S) Fuse
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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