Description of operation
- Make
- Fiat
- Model
- Seicento Factory Service Manual
- Year
- 1998–2010
- Section
- E3010 Horns › Description of operation
Wiring diagramsDescription of operation
DESCRIPTION OF OPERATION
The horn relay, in junction unit B1 (connector B), controls the circuit of the horns.
The power line and the relay coil are supplied by a direct line from the battery, protected by fuse F17 of junction unit B1 and maxifuse J/B1 of B5.
The horn P5 is supplied by the relay itself when this is energised by an earth signal caused by the closing of one of the two switches on the sterering wheel, connected by the "clock spring" to stalk unit H5 (pin 5 of connector D).
COMPONENTS
| Code component | Description | Unit reference |
|---|---|---|
| B1 | Fuse carrier | 5505A |
| B5 | MAXI FUSE box | - |
| C10 | Front left earth | - |
| C20 | Right dashboard earth | 5505A |
| D46 | Front/dashboard - rear connection | - |
| H5 | Stalk unit | 5550A |
| P5 | Single tone horn | 5550B |
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