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Features, Description, Q&A
| Brand | Diode Dynamics |
| Bulb Type | Turn Signal Light Bulb |
Product Overview. The Diode Dynamics Red LED Bulbs; 3157 HP48 provide a modern upgrade for Jeep Grand Cherokee rear turn signals, delivering instant on-off activation that enhances visual appeal and response time. Designed as a direct plug-and-play replacement for the factory incandescent bulbs, these LEDs improve signaling clarity and timing.
Construction and Appearance. The HP48 bulbs feature 48 omnidirectional LEDs under a diffusing cover to ensure even light distribution and a clean look when off. Higher output variants (HP11 and XP80) include metal heatsinks for enhanced durability and heat dissipation, ensuring lasting performance.
Installation. Installation is straightforward, requiring no modifications to the factory 3157 bulb socket. To prevent hyperflashing or bulb-out warnings caused by the lower power draw of LEDs compared to incandescent bulbs, LED resistors must be installed by tapping into the vehicle's wiring harness at the factory signal circuit.
Warranty. This product is backed by a three-year limited warranty that covers defects and ensures long-term reliability.
Application. Engineered specifically to fit rear turn signal sockets on Jeep Grand Cherokee models from 1999 through 2026, these bulbs offer guaranteed compatibility and optimized performance for these vehicles.
Diode Dynamics DD0056P
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov