Trailer Connectors: Difference between revisions

Revision as of 12:34, 5 December 2025

Trailer Connectors are a standardized set of connectors dictated by the SAE J1239 and J2863 standards.

4 Wire Position Connectors:
Image	Description	Vehicle layout
	The 4 position flat trailer plug is commonly used on small utility and boat trailers without brakes.

5 Wire Position Connectors:
Image	Description	Vehicle layout
	The 5 position flat trailer plug is commonly used on small utility and boat trailer without brakes and with reversing lights.

6 Wire Position Connectors:
Image	Description	Vehicle layout

7 Wire Position Connectors:
Image	Description	Vehicle layout
	The traditional 7-way RV blade format is typically used on 5th wheel trailers, travel trailers and campers. The trailer wiring colors for this configuration are different than those on the SAE configuration.
	The SAE J2863 7-way RV blade format is typically used on gooseneck trailers, utility trailers, cargo trailers and equipment trailers.

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 |[[File:4 pin flat trailer.png|thumb]]
 |The 4 position flat trailer plug is commonly used on small utility and boat trailers without brakes.
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+|[[File:4way layout flat.png|thumb]]
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 |-
 |[[File:4 pin trailer round.png|thumb]]
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+|[[File:4way layout round.png|thumb]]
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 |}
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 |[[File:5 pin trailer flat.png|thumb]]
 |The 5 position flat trailer plug is commonly used on small utility and boat trailer without brakes and with reversing lights.
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+|[[File:5way layout flat.png|thumb]]
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 |}
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 |[[File:6 pin trailer square.png|thumb]]
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+|[[File:6way layout square.png|thumb]]
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 |}