A12 Digital Radio Receiver Control Module X1
WARNING: This page is about a different car, the 2023 GMC Savana 3500, 2023 GMC Savana 2500, 2023 Chevrolet Express 3500, and 2023 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
 Courtesy of GENERAL MOTORS COMPANY
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Connector Part Information
- Harness Type: Instrument Panel Wiring Harness
- OEM Connector: 13568238
- Service Connector: 13504130
- Description: 16-Way F 64 Micro-Series (BK)
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Terminal Part Information
| Terminal Type ID |
Terminated Lead |
Diagnostic Test Probe |
Terminal Removal Tool |
| I |
13579976 |
J-35616-64B (L-BU) |
J-38125-21 |
| 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 |
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 |
GN |
5060 |
Low Speed GMLAN Serial Data |
I |
- |
| 6 - 8 |
- |
- |
- |
Not Occupied |
- |
- |
| 9 |
0.8 |
BK/WH |
351 |
Signal Ground |
I |
- |
| 10 |
- |
- |
- |
Not Occupied |
- |
- |
| 11 |
0.35 |
BARE |
1573 |
Front Audio Low Reference |
I |
- |
| 12 - 15 |
- |
- |
- |
Not Occupied |
- |
- |
| 16 |
0.8 |
RD/WH |
340 |
Battery Positive Voltage |
I |
- |