Quote:
Originally Posted by Boblobla
Are those LEDs universal for all trailers? I bought a Jayco last year and need to replace some bulbs.
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Most trailers I have seen take 2 types of bulbs- 1157 and 921 automotive bulbs. The 1157 is a standard number you can find LEDs for online, but for the 921s you are looking for T10 bulbs.
The one thing with the T10s is they are polarized, so they will only work going in one way. Make sure you test each bulb as you install it; I'm not sure if putting it in backwards simply doesn't work, or if it causes damage.