Fiat Idea (2003 – 2012) – bulbs specification
Year of production: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
| Bulb | Ref. Figure | Type | Power |
| Main beam headlights | E | H1 | 55W |
| Dipped beam headlights | D | H7 | 55W |
| Front side lights | A | W5W | 5W |
| Front fog lights (where provided) | E | H1 | 55W |
| Front direction indicators | B | PY21W | 21W |
| Side direction indicators | A | WY5W | 5W |
| Rear direction indicators | B | PY21W | 21W |
| Taillights | B | P21/5W | 21W/5W |
| Brake lights | B | P21/5W | 21W/5W |
| Third brake light (additional brake lights) | A | W5W | 5W |
| Reversing light | B | P21W | 21W |
| Rear fog lights | B | P21W | 21W |
| Number plate lights | C | C5W | 5W |
| Front ceiling light | A | W5W | 10W |
| Rear ceiling light | A | W5W | 10W |
| Rear ceiling lights (with sunroof) | A | W5W | 5W |
| Boot light | A | W5W | 5W |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market