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All Products/Trailer Parts/Lights & Electrical/Electrical Wire Harnesses & Connectors

Electrical Wire Harnesses & Connectors

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Load Trail 090010 Cold Weather Wire Harness Extension with 7-Way RV Plug
REG. $59.99
Sale! - $49.99
You Save $10.00 (16.7%)
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Load Trail 090093 Cold Weather Wire Harness Extension with 7-Way RV Plug for Pintle Hook Trailers
REG. $89.99
Sale! - $74.99
You Save $15.00 (16.7%)
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Load Trail 090006 Cold Weather Wire Harness Extension with 4-Flat Plug
REG. $27.99
Sale! - $23.99
You Save $4.00 (14.3%)
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Triton 16328 PWC Trailer Wire Harness for LTWCI with LED Lights
REG. $119.99
Sale! - $99.99
You Save $20.00 (16.7%)
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Curt 58190 7-Way Trailer Wire Connector Plug
Curt 58190 7-Way Trailer Wire Connector Plug
REG. $9.99
Sale! - $8.99
You Save $1.00 (10.0%)
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Wesbar 702405 Heavy Duty 5-Way Flat 18 inch Wunside Connector
Wesbar 702405 Heavy Duty 5-Way Flat 18 inch Wunside Connector
REG. $16.99
Sale! - $13.99
You Save $3.00 (17.7%)
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Buyers 5601101 Electrical Junction Box with 7 Color Coded Terminals
Buyers 5601101 ABS Electrical Junction Box With 7 Color Coded Terminals
REG. $15.99
Sale! - $13.99
You Save $2.00 (12.5%)
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Curt 58272 7 Way RV Blade Connector Tester
Curt 58272 7 Way RV Blade Connector Tester
REG. $22.99
Sale! - $18.99
You Save $4.00 (17.4%)
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7-Way RV Plug Prewired To Junction Box- 8 Foot
7-Way RV Plug Prewired To Junction Box- 8 Foot
REG. $70.99
Sale! - $58.99
You Save $12.00 (16.9%)
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Load Trail 090098 Wire Harness Kit for 18' and 20' For Utility /Landscape/ Car Hauler and Bob Cats Trailers
Load Trail 090098 Wire Harness Kit for 18' and 20' For Utility /Landscape/ Car Hauler and Bob Cats T…
REG. $137.99
Sale! - $114.99
You Save $23.00 (16.7%)
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Load Trail 090098 Wire Harness Kit for 18
Load Trail 090097 Wire Harness Kit for 14' and 16' For Utility/Landscape Trailers
REG. $137.99
Sale! - $114.99
You Save $23.00 (16.7%)
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Seachoice 13891 4 Pole Flat Male Trailer Connector For Trailer Side
Seachoice 13891 4 Pole Flat Male Trailer Connector For Trailer Side
REG. $10.99
Sale! - $9.99
You Save $1.00 (9.1%)
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Seachoice 13901 Pole Flat Female Trailer Connector For Car Side
Seachoice 13901 Pole Flat Female Trailer Connector For Car Side
REG. $10.99
Sale! - $9.99
You Save $1.00 (9.1%)
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Seachoice 57841 4-Way Flat Trailer Harness for Car Side 2-Wire Systems- 48"
Seachoice 57841 4-Way Flat Trailer Harness for Car Side 2-Wire Systems- 48"
REG. $15.99
Sale! - $12.99
You Save $3.00 (18.8%)
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Seachoice 57851 4-Way Flat Trailer Harness for Trailer Side-12"
Seachoice 57851 4-Way Flat Trailer Harness for Trailer Side-12"
REG. $14.99
Sale! - $11.99
You Save $3.00 (20.0%)
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Seachoice 52961 4-Way Wishbone Style Wiring Harness 25
Seachoice 52961 4-Way Wishbone Style Wiring Harness 25'
REG. $29.99
Sale! - $24.99
You Save $5.00 (16.7%)
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Seachoice 13991 4-Way Trailer Wire Harness Extension- 48"
Seachoice 13991 4-Way Trailer Wire Harness Extension- 48"
REG. $22.95
Sale! - $18.99
You Save $3.96 (17.3%)
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Seachoice 57731 6- Way Round to 4 Flat Trailer Wiring Adapter
Seachoice 57731 6- Way Round to 4 Flat Trailer Wiring Adapter
REG. $17.99
Sale! - $14.99
You Save $3.00 (16.7%)
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Wesbar 707250 7-Way RV Blade To 5-Wire Flat Flexible Wiring Adapter
Wesbar 707250 7-Way RV Blade To 5-Wire Flat Flexible Wiring Adapter
REG. $47.95
Sale! - $39.99
You Save $7.96 (16.6%)
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Trucklite 142-49 Trailer Electrical Pigtail - 2 Wire
REG. $6.99
Sale! - $5.99
You Save $1.00 (14.3%)
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Trailer Electrical Wire Harnesses & Connectors

Hanna Trailer Supply offers electrical wiring harnesses, adapters and connectors to synchronize your trailers' lights with your tow vehicles' lights.

Contact us today or check out our other RV and trailer products.

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