| SYMBOL | DESCRIPTION |
|---|---|
| 1 | Blower Motor |
| 2 | A/C Refrigerant Pressure Sensor |
| 3 | G101 |
| 4 | A/C Compressor Relay |
| 5 | Starter Relay |
| 6 | Engine Harness |
| 7 | C100 |
| 8 | VCM |
| 9 | Fender |
| 10 | C101 |
| 11 | I/P Extension Harness |
| 12 | Blower Motor Resistor (W/O A/C) |
GMC Sonoma 1999 Electrical Circuit Symbol Map




