Festoon: GTR 360 LED (31mm) GMC The 42406 bulbs maintain their

The 42406 bulbs maintain their intensity for years

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CPU Controller -or- 2

shining into the open cavity of the projector

they may or may not show that

Festoon: GTR 360 LED (31mm) GMC The 42406 bulbs maintain theirGTR Lighting 31mm Festoon LED Bulbs with 360 Degree Light Output: Perfect for interior dome lights, license plate lights, and anywhere on your vehicle. These bulbs have a safe and low profile opaque white plastic shell around the LEDs to ensure no contact with metal electrical connections. These bulbs are the exact same dimensions as your original festoon bulbs and install with ease. Not CANBUS compatible: These bulbs are polarity universal, meaning