TESTED: Jeep JL/JT 2020-2021 LED Headlamp


🔦 Public Notes – Plain Language Explanation

Device Tested: AL Jeep JL/JT 20-21 LH LED Headlamp (x1)
Date Tested: April 30, 2026
Part Number: 55112879AF
Standard Referenced: FMVSS 108


✅ Low Beam – PASS

      • Meets all low-beam photometry requirements.

✅ High Beam – PASS

      • Meets all high-beam photometry requirements.

✅ Color Test – PASS

      • Color measurements were within the white zone, producing a beam that meets the standard.

📘 Frequently Asked Questions

If you want a deeper explanation of how the lamps were tested or how to interpret the photometric data, the two decks below cover the full process:

Part 1 – How Headlamps Are Tested
CLICK HERE





















Part 2 – Photometric Test Procedure
CLICK HERE

















CLICK ON THE IMAGE BELOW to view the photometric test report















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