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 MANUALSGMC2020SAVANA 3500 LS, VAN PASSENGER, 6.0L ENG VIN B, GAS/ETHANOLREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSCOMPONENT CONNECTOR END VIEWS (A3L-B133 (X2))COMPONENT CONNECTOR END VIEWSA12 DIGITAL RADIO RECEIVER CONTROL MODULE X1
2020 GMC Savana 3500 LS, Van Passenger, 6.0L Eng VIN B, Gas/Ethanol
A12 Digital Radio Receiver Control Module X1
2020 GMC Savana 3500 LS, Van Passenger, 6.0L Eng VIN B, Gas/EthanolSECTION A12 Digital Radio Receiver Control Module X1
Connector Part Information
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Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool | Service Terminal | Tray Name | Core Crimp | Insulation Crimp |
|---|---|---|---|---|---|---|---|
| I | 13575535 | J-35616-64B (LT BU) | J-38125-21 | Not Required | Not Required | Not Required | Not Required |
| II | 13579976 | J-35616-64B (LT BU) | J-38125-21 | Not Required | Not Required | Not Required | Not Required |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.35 | TN/WH | 372 | Secondary Radio Receiver Audio [-] Control | I | - |
| 2 | 0.35 | BN/WH | 367 | Secondary Radio Receiver Left Audio Signal | I | - |
| 3 | 0.35 | D-GN/WH | 368 | Secondary Radio Receiver Right Audio Signal 1 | I | - |
| 4 | 0.35 | GY | 388 | Secondary Radio Receiver Right Audio Signal 2 | I | - |
| 5 | 0.5 | D-GN/ | 5060 | Low Speed GMLAN Serial Data | II | - |
| 6 - 8 | - | - | - | Not Occupied | - | - |
| 9 | 0.8 | BK/WH | 351 | Ground 3 | II | - |
| 10 | - | - | - | Not Occupied | - | - |
| 11 | 0.35 | BARE | 1573 | Front Audio Low Reference | I | - |
| 12 - 15 | - | - | - | Not Occupied | - | - |
| 16 | 0.8 | RD/WH | 340 | Secondary Fused Battery Positive Voltage 3 | II | - |
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.