Junction Block - Left I/P X1
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Junction Block - Left I/P X1
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| A1 | 0.5 RD/WH | 4440 | Battery Positive Voltage |
| A2 | - | - | Not Used |
| A3 | 0.35 PK | 239 | Ignition Voltage |
| 0.35 PK | 239 | Ignition Voltage (NQH) | |
| A4 | 0.35 PK | 239 | Ignition Voltage |
| 0.35 PK | 239 | Ignition Voltage (HP2 or EXP) | |
| A5 | 0.5 BK | 2550 | Ground (STZ or Y91, with U42 or with UK6) |
| B1-B2 | - | - | Not Used |
| B3 | 1 BK | 2550 | Ground |
| B4 | 0.5 GY | 157 | Cargo Lamp Supply Voltage |
| B5 | - | - | Not Used |
| C1 | 0.35 PK | 1639 | Ignition Voltage |
| C2 | 0.5 BN/WH | 230 | Instrument Panel Lamp Dimming Control |
| C3 | 0.5 BK | 2550 | Ground (STZ or Y91, with U2K or with UE1) |
| 0.5 BK | 2550 | Ground (STZ or Y91, with U2K and with UE1) | |
| C4-C5 | - | - | Not Used |
| D1 | 2 RD/WH | 1340 | Battery Positive Voltage |
| D2 | - | - | Not Used |
| D3 | 0.5 BN/WH | 230 | Instrument Panel Lamp Dimming Control (CF5) |
| D4-D5 | - | - | Not Used |
| E1-E2 | - | - | Not Used |
| E3 | 0.5 BK/WH | 1851 | Ground |
| 0.8 BK/WH | 1851 | Ground | |
| F1 | 5 RD/BK | 642 | Battery Positive Voltage |
| G1 | - | - | Not Used |
| H1 | 0.5 BK/WH | 1851 | Ground |
| 0.5 BK/WH | 1851 | Ground | |
| J1 | - | - | Not Used |
| K1 | 0.5 BK/WH | 1851 | Ground |
| 0.35 BK/WH | 1851 | Ground | |
| K2 | 2 BK/WH | 1851 | Ground |
| K3 | 0.8 BK/WH | 1851 | Ground |
| 0.8 BK/WH | 1851 | Ground (EXP or HP2) | |
| L1 | 0.5 OG | 6815 | Inadvertent Power Control |
| L2 | 0.5 RD/WH | 240 | Battery Positive Voltage (with TQ5, TRW or UG1) |
| L3 | 0.35 PU/WH | 6816 | Indicator Dimming Control |
| L4 | 0.35 WH/BK | 5515 | Inside Air Temperature Sensor Assembly Control (CJ2) |
| L5 | - | - | Not Used |
| M1 | 0.5 BN/WH | 230 | Instrument Panel Lamps Dimming Control (X88 or Z88) |
| 0.5 BN/WH | 230 | Instrument Panel Lamps Dimming Control (NQH) | |
| M2 | 0.35 PK | 1691 | Automatic Day/Night Mirror Low Reference |
| M3 | 0.35 PU/WH | 6816 | Indicator Dimming Control |
| 0.5 PU/WH | 6816 | Indicator Dimming Control (Z75) | |
| M4 | 0.35 D-GN | 734 | Inside Air Temperature Sensor Signal (CJ2) |
| M5 | 0.5 L-BU | 1320 | CHMSL Supply Voltage/Stop Lamp Supply Voltage |
| 0.5 L-BU | 1320 | CHMSL Supply Voltage/Stop Lamp Supply Voltage (EXP) | |
| N1 | 0.35 D-GN | 6134 | Linear Interconnect Network Bus |
| N2-N4 | - | - | Not Used |
| N5 | 0.35 PK | 1139 | Ignition Voltage |
| P1 | 0.35 D-BU | 38 | Backup Lamp Relay Control |
| P2 | 0.35 GY | 1690 | Automatic Day/Night Mirror Signal (with DL3 or with DR4) |
| P3 | 0.35 PU/WH | 6816 | Indicator Dimming Control (NQH) |
| P4 | - | - | Not Used |
| P5 | 0.35 D-GN | 6101 | Low Reference |
| 0.35 D-GN | 6101 | Low Reference (CJ3) |
Connector Part Information
Terminal Part Information
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