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.
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HOMESERVICE MANUALSCHEVROLET2025SUBURBAN LS, 4WDREPAIR AND DIAGNOSISELECTRICALCHARGING SYSTEMSBATTERY, STARTING SYSTEM AND CHARGING SYSTEM - REPAIR INSTRUCTIONSREPAIR INSTRUCTIONSENGINE WIRING HARNESS FUSE BLOCK BRACKET REPLACEMENTINSTALLATION PROCEDURE
2025 Chevrolet Suburban LS, 4WD
Installation Procedure
2025 Chevrolet Suburban LS, 4WDSECTION Installation Procedure
Engine Wiring Harness Fuse Block Bracket (3) - Install
- Retaining Tab (1) - Engage
- Engine Wiring Harness Fuse Block Bracket Bolt (2) - Install and tighten [2x] - Fastener Specifications
Electrical Connector (1) - Install [4x]
Engine Wiring Harness Junction Block (3) - Install
- Retaining Tab (1) - Engage [4x]
- Engine Wiring Harness Junction Block Bolt (2) - Tighten [4x] - Fastener Specifications
Starter Solenoid Cable (4) - Install
- Battery Positive Cable Nut (3) - Install and tighten - Fastener Specifications
- Engine Wiring Harness Junction Block Cover (2) - Install
- Retaining Tab (1) - Engage [2x]
- Connect the battery negative cable. Battery Negative Cable Disconnection and Connection (9C1 / 5W4) , or Battery Negative Cable Disconnection and Connection (KL9)
CAUTION:
Refer to Fastener Caution
RENDER: 1.0x
NO RELATED
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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.