Trailer Connectors: Difference between revisions
From YourSpec Automotive Wiring Wiki
Created page with "'''Trailer Connectors''' are a standardized set of connectors dictated by the SAE J1239 and J2863 standards. thumb|572x572px {| class="wikitable" |+4 Wire Position Connectors: !Image !Description !Vehicle layout ! |- |thumb | | | |- |thumb | | | |- | | | | |} {| class="wikitable" |+5 Wire Position Connectors: !Image ! !Vehicle layout ! |- |File:5 pin trailer flat.png|..." |
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'''Trailer Connectors''' are a standardized set of connectors dictated by the SAE J1239 and | '''Trailer Connectors''' are a standardized set of connectors dictated by the SAE J1239, J2863, and J560 standards among others. | ||
Below are the most common US trailer connector types. | |||
[[File:Trailer Connector Types.png|thumb|572x572px]] | [[File:Trailer Connector Types.png|thumb|572x572px]] | ||
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|+4 Wire Position Connectors: | |+4 Wire Position Connectors: | ||
!Image | !Image | ||
!Description | !Description/Applications | ||
!Vehicle layout | !Vehicle layout | ||
! | ! | ||
|- | |- | ||
|[[File:4 pin flat trailer.png|thumb]] | |[[File:4 pin flat trailer.png|thumb]] | ||
| | |The 4 position flat trailer plug is commonly used on small utility and boat trailers without brakes. | ||
| | |[[File:4way layout flat.png|thumb]] | ||
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|- | |- | ||
|[[File:4 pin trailer round.png|thumb]] | |[[File:4 pin trailer round.png|thumb]] | ||
| | | | ||
| | |[[File:4way layout round.png|thumb]] | ||
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|} | |} | ||
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|+5 Wire Position Connectors: | |+5 Wire Position Connectors: | ||
!Image | !Image | ||
! | !Description/Applications | ||
!Vehicle layout | !Vehicle layout | ||
! | ! | ||
|- | |- | ||
|[[File:5 pin trailer flat.png|thumb]] | |[[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. | ||
| | |[[File:5way layout flat.png|thumb]] | ||
| | |||
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|} | |} | ||
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|+6 Wire Position Connectors: | |+6 Wire Position Connectors: | ||
!Image | !Image | ||
!Description | !Description/Applications | ||
!Vehicle layout | !Vehicle layout | ||
! | ! | ||
|- | |- | ||
|[[File:6 pin trailer round.png|thumb]] | |[[File:6 pin trailer round.png|thumb]] | ||
| | |Pop up campers, travel trailers, campers, 5th wheel trailers. | ||
|[[File:6way round layout.png|thumb]] | |[[File:6way round layout.png|thumb]] | ||
| | | | ||
|- | |- | ||
|[[File:6 pin trailer square.png|thumb]] | |[[File:6 pin trailer square.png|thumb]] | ||
| | |Pop up camper trailers. | ||
| | |[[File:6way layout square.png|thumb]] | ||
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|} | |} | ||
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!Description | !Description | ||
!Vehicle layout | !Vehicle layout | ||
! | !Connector name: | ||
|- | |- | ||
|[[File:7 pin trailer blade.png|thumb]] | |[[File:7 pin trailer blade.png|thumb]] | ||
|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 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. | ||
|[[File:7way layout.png|thumb]] | |[[File:7way layout.png|thumb]] | ||
| | |SAE J2863 | ||
|- | |- | ||
|[[File:7 pin trailer blade SAE.png|thumb]] | |[[File:7 pin trailer blade SAE.png|thumb]] | ||
|The SAE J2863 7-way RV blade format is typically used on gooseneck trailers, utility trailers, cargo trailers and equipment trailers. | |The SAE J2863 7-way RV blade format is typically used on gooseneck trailers, utility trailers, cargo trailers and equipment trailers. | ||
|[[File:7 way layout SAE.png|thumb]] | |[[File:7 way layout SAE.png|thumb]] | ||
| | |SAE J2863 | ||
|- | |- | ||
| | |[[File:7way round.png|thumb]] | ||
| | |For heavy duty vehicles, campers, travel trailers, semi trailers. | ||
| | |[[File:7way round layout.png|thumb]] | ||
| | |SAE J560 / ISO 1185 | ||
|} | |} | ||
[[Category:Connectors]] | |||
Latest revision as of 12:52, 5 December 2025
Trailer Connectors are a standardized set of connectors dictated by the SAE J1239, J2863, and J560 standards among others.
Below are the most common US trailer connector types.

| Image | Description/Applications | Vehicle layout | |
|---|---|---|---|
![]() |
The 4 position flat trailer plug is commonly used on small utility and boat trailers without brakes. | ||
![]() |
| Image | Description/Applications | Vehicle layout | |
|---|---|---|---|
![]() |
The 5 position flat trailer plug is commonly used on small utility and boat trailer without brakes and with reversing lights. |
| Image | Description/Applications | Vehicle layout | |
|---|---|---|---|
![]() |
Pop up campers, travel trailers, campers, 5th wheel trailers. | ||
![]() |
Pop up camper trailers. |















