| SYMBOL | DESCRIPTION |
|---|---|
| 1 | Console |
| 2 | Relay Switch For Single-Stage Rear Window Defroster (Not Used With Two-Stage Rear Window Defroster) |
| 3 | RPM Sensor |
| 4 | Relay Switch For Start Enrichment (Not Used in Carburator Engines) |
| 5 | RPM Transducer (Not Used in Carburator Engine Exept 911 T USA-Version) |
| 6 | Control Relay For Two-Stage Rear Window Defroster (Not Used With Single-Stage Defroster) |
| 7 | Radio Noise Suppression |
| 8 | Regulator |
| 9 | Ignition Trigger Unit |
| 10 | Fuse Box III |
Porsche 911 1971 Relay Switch Fuse Panel/Board – Fuse Symbol Map




