What Size Bulbs Does a 1998 Jeep Grand Cherokee Use?
Correct headlight, fog light, and tail light bulb sizes. Sourced from OEM catalog data.
Installation Difficulty
Easy (Plug and Play)
Est. Replacement Cost
$15 - $40 (Halogen) / $30+ (LED)
What Lighting System Does the 1998 Jeep Grand Cherokee Have?
When it comes to nighttime visibility, the 1998 Jeep Grand Cherokee relies on an arrangement of 12 specialized bulbs. It features an extensive lighting system powered by a halogen-based setup where a single 9004 LED dual-filament bulb handles both low and high beam duties within the same reflector. Note that Jeep 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 1998 Jeep Grand Cherokee?
For a Jeep built for the road and trail, LED upgrades provide the high-contrast lighting needed for better obstacle detection. Since your Grand Cherokee uses a single 9004 LED bulb for both high and low beams, ensure your chosen LED kit is "dual-beam" compatible. This allows the LED circuitry to mimic the two-filament design of the original halogen bulb. Because Jeep 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. Don't forget the H3 LED fog lights; switching these to LED can dramatically improve your visibility in adverse weather.
1998 Jeep Grand Cherokee Bulb Size Chart
| Position | Bulb Size | Shop |
|---|---|---|
| Low Beam | 9004 LED | Buy 9004 LED → |
| High Beam | 9004 LED | Buy 9004 LED → |
| Fog Light | H3 LED | Buy H3 LED → |
| Brake Light | PC194 | Buy PC194 → |
| Side Marker | 194 LED | Buy 194 LED → |
| Turn Signal Front | 3457NA LED | Buy 3457NA LED → |
| Turn Signal Rear | 3057 LED | Buy 3057 LED → |
| Reverse Light | 3057 | Buy 3057 → |
| License Plate | 168 | Buy 168 → |
| Map Light | 212-2 or 561 or 906 | Buy 212-2 or 561 or 906 → |
| Parking Light | 3454NA | Buy 3454NA → |
| Trunk Light | 212-2 | Buy 212-2 → |