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Can TowSmart 7-Blade Trailer Connector Replace 5-Way On Boat Trailer  

Updated 09/10/2026 | Published 09/05/2026

Question:

I would like to know if I can use this connector to replace an old 5 pin flat connector on my boat trailer. I would like to use a junction box to connect the old trailer wires from the 5 pin flat to this connector which would then connect to the 7 blade receptacle on my 2021 ram 1500. Trailer is a 2021 coyote trailer. Thank you.

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Expert Reply:

Hey Patrick! Yes, you can use the TowSmart 7-Blade Trailer Connector # TS74RR to replace the 5-way on your boat trailer. Then for a junction box you can use the # e99009. Match up the wiring by function and then cap off whatever you aren't using like the brake output and 12V wire.

What kind of boat are you hauling?

expert reply by:
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Robin H
etrailer Trailer Wiring Junction Box
etrailer Trailer Wiring Junction Box
(click to enlarge)
Patrick M. profile picture

Patrick M.

9/10/2026

2021 Robalo 202 ex

Robin H. profile picture
Etrailer Expert

Robin H.

9/10/2026

@PatrickM nice boat! This wiring setup will get you up and running again with your Ram.

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