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 MANUALSGMC2013SIERRA 2500 2WD V8-6.6L DSL TURBOREPAIR AND DIAGNOSISACCESSORIES AND OPTIONAL EQUIPMENTMEMORY POSITIONING SYSTEMSMEMORY POSITIONING MODULELOCATIONSHARNESS LOCATIONS
2013 GMC Sierra 2500 2WD V8-6.6L DSL Turbo
Harness Locations
2013 GMC Sierra 2500 2WD V8-6.6L DSL TurboSECTION Harness Locations
Harness Routing Views
Driver Seat Harness Routing
1 - Seat Recline Motor - Driver (AN3)
2 - Seat Lumbar Vertical Motor Position Sensor - Driver (AN3)
3 - Seat Lumbar Vertical Motor - Driver (AN3)
4 - X324 (AN3)
5 - Seat Lumbar Horizontal Motor - Driver (AN3)
6 - Seat Lumbar Horizontal Motor Position Sensor - Driver (AN3)
7 - Seat Recline Position Sensor - Driver (AN3)
8 - Seat Lumbar Switch - Driver (AN3)
9 - Seat Adjuster Switch - Driver (AG1)
10 - Memory Seat Module (MSM) (AN3)
11 - Inflatable Restraint Seat Position Sensor (SPS) - Driver (10 Series)
12 - Seat Adjuster Motor Assembly - Driver (AG1)
13 - Seat Belt Buckle - Driver
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.