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Does Optronics LED Single-Face Trailer Stop/Tail/Turn Light Ground with the Hardware  

Updated 02/17/2026 | Published 06/14/2024

Question:

Where is your wiring diagram?. Since it is 3 function it must be stem grounded to chassis?

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Expert Reply:

Hey Bob, thanks for reaching out!

Yes, the Optronics LED Single-Face Trailer Stop/Tail/Turn Light # OPT94NR will ground using the mounting hardware. As for wiring you'll need to test out which wire carries which function.

I reached out to Optronics to get a schematic or even some more information and I haven't received a replay back from them yet.

expert reply by:
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Jon G
Jesse M. profile picture
Etrailer Expert

Jesse M.

2/17/2026

Hey Bob, were you able to get the wiring details from Optronics for that LED trailer light? Knowing what you found could help others trying to wire the same setup.

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