What Size Bulbs Does a 1978 Audi Fox Use?
Correct headlight, fog light, and tail light bulb sizes. Sourced from OEM catalog data.
Installation Difficulty
Hard (Tight clearances)
Est. Replacement Cost
$15 - $40 (Halogen) / $30+ (LED)
What Lighting System Does the 1978 Audi Fox Have?
Owners of the 1978 Audi Fox will find a total of 8 lighting elements throughout the vehicle's exterior. It features a comprehensive lighting system powered by a dual-bulb halogen configuration using separate H5006 low beam and H5001 high beam bulbs for precise light distribution. This model belongs to the late years of the Fox's 1973-1979 production span. Note that Audi vehicles typically feature a CANbus electrical monitor that checks for specific bulb resistance.
LED Flicker Warning
This vehicle is known to use a CANbus system. Installing standard LEDs may cause flickering.
Can You Put LED Bulbs in a 1978 Audi Fox?
Upgrading to LED is one of the most effective ways to modernize your Audi's appearance and safety profile. We recommend starting your upgrade with the H5006 low beams, as they see the most use. Adding a matching H5001 LED kit later will complete the look and ensure consistent lighting performance. Because Audi utilizes a CANbus system, standard LED bulbs may cause "bulb out" errors on your dashboard. Always opt for "Error-Free" or CANbus-ready kits which include the necessary resistors.
1978 Audi Fox Bulb Size Chart
| Position | Bulb Size | Shop |
|---|---|---|
| High Beam | H5001 | Buy H5001 → |
| Low Beam | H5006 | Buy H5006 → |
| Turn Signal Front | 1157 | Buy 1157 → |
| Reverse Light | 1156 | Buy 1156 → |
| Turn Signal Rear | 1156 | Buy 1156 → |
| Tail Light | 1157 | Buy 1157 → |
| Brake Light | 1157 | Buy 1157 → |
| Parking Light | 1157 | Buy 1157 → |
How do the 1978 Audi Fox's bulbs compare to other years?
Finding the best installation guide...