| SYMBOL | DESCRIPTION |
|---|---|
| 1 | Forward Lamp Harness |
| 2 | Vehicle Control Module (VCM) (Gas Only) |
| 3 | Auxiliary Battery |
| 4 | Positive Auxiliary Battery Lead |
| 5 | Electronic Brake Control Module (EBCM) |
| 6 | Brake Pressure Warning Switch |
| 7 | Engine Harness |
| 8 | Underhood Fuse-Relay Center |
| 9 | Brake Lamp Relay |
| 10 | MaxiFuses |
| 11 | Diode 1 |
| 12 | Starter Relay |
| 13 | A/C Compressor Clutch Relay |
| 14 | Horn Relay |
| 15 | Fuel Pump Relay |
Chevy Tahoe 1999 Electrical Circuit Symbol Map




