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Trailer Wiring Harness at JC Whitney
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Trailer Wiring Harness

JC Whitney stocks Trailer Wiring Harness for Pickups, Campers and Trailers with I, II and III hitches.

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1 - 20 of 25 products   |  Go to page 1 2 Next   |  Show All 
ONE-PIECE TRAILER LIGHT T-CONNECTORS
ONE-PIECE TRAILER LIGHT T-CONNECTORS
These T-Connectors hook up trailer light wires to towing vehicle faster and easier than ever!
Custom Fit
Customer Review:Read all 32 reviews
Retail: $17.99 - $116.56
Our Low Price: $12.99 - $71.99 
You Save: $44.57
  BUY ONE-PIECE TRAILER LIGHT T-CONNECTORS  
 CURT T-CONNECTOR KITS
CURT T-CONNECTOR KITS
Curt T-connector Kits make fast and easy work of connecting your towing equipment! No wire splicing, cutting or taping—simply plug in the T-Connector and you're ready to tow! No special tools required; includes all the necessary plugs, converters and wires you need for your vehicle.
Custom Fit
Customer Review:Read all 5 reviews
Retail: $17.35 - $210.61
Our Low Price: $10.99 - $131.99 
You Save: $6.36 - $78.62
  BUY T-Connector Kits  
J MARK 2-, 3- AND 4-POLE FLAT TRAILER LIGHT CONNECTOR WIRING SETS
J MARK 2-, 3- AND 4-POLE FLAT TRAILER LIGHT CONNECTOR WIRING SETS
Designed for Pickups, campers and trailers.
Customer Review:Read all 2 reviews
Retail: $5.02 - $5.66
Our Low Price: $3.99 
  BUY 2-, 3- AND 4-POLE FLAT TRAILER LIGHT CONNECTOR WIRING SETS  
POLLAK 7-WAY RV ROUND SOCKET TO 4-WAY FLAT PLUG
POLLAK 7-WAY RV ROUND SOCKET TO 4-WAY FLAT PLUG
Adapt your 7-way vehicle socket to your flat 4-way trailer plug! Fits all OEM 7-way trailer towing sockets. Quick and easy—eliminates wiring headaches.
Retail: $9.40
Our Low Price: $5.99 
  BUY 7-way RV Round Socket to 4-way Flat Plug  
POLLAK 7-WAY RV OEM SOCKET
POLLAK 7-WAY RV OEM SOCKET
Designed to be dependable in one of the harshest mounting environments for an electrical device—an exposed external mounting under the rear bumper of a sport utility or pickup truck. This connector design continues to earn the distinction of becoming the industry standard. Socket lid also designed with slot to prevent sand and dirt from impairing closure and lid has wiring diagram on cover to facilitate installation.
Customer Review:Read all 2 reviews
Retail: $17.23
Our Low Price: $10.99 
You Save: $6.24
  BUY 7-way RV OEM Socket  
POLLAK SEALED TWIST & LOCK 7-WAY RV CONNECTOR SOCKET
POLLAK SEALED TWIST & LOCK 7-WAY RV CONNECTOR SOCKET
Solves corrosion problems and eliminates rusting. Features high-impact nylon shell, stainless steel spring and hinge pin, and rubber gasket to guarantee against moisture intrusion when closed. Easy to install with a twist and lock assembly on factory installed brackets and hitches.
Customer Review:Read all 3 reviews
Retail: $17.62
Our Low Price: $10.99 
You Save: $6.63
  BUY Sealed Twist & Lock 7-way RV Connector Socket  
J MARK 4-POLE AND 6-POLE TRAILER LIGHT CONNECTOR WIRING AND MOUNTING KITS
J MARK 4-POLE AND 6-POLE TRAILER LIGHT CONNECTOR WIRING AND MOUNTING KITS
Designed for Pickups, campers and trailers.
Customer Review:Read the review
Retail: $18.25 - $22.32
Our Low Price: $10.99 - $13.99 
You Save: $7.26 - $8.33
  BUY 4-POLE AND 6-POLE TRAILER LIGHT CONNECTOR WIRING AND MOUNTING KI  
POLLAK BRACKET FOR 7-WAY RV SOCKET
POLLAK BRACKET FOR 7-WAY RV SOCKET
Durable and attractive! Allows use of Pollack RV Socket (sold separately, Item # ZX333039) where vehicle does not have mount and for 5th wheel. Made of heavy-gauge steel and has black epoxy coating.
Retail: $4.61
Our Low Price: $2.99 
  BUY Bracket for 7-way RV Socket  
POLLAK® 7-POLE TRAILER LIGHT CONNECTOR WIRING KITS
POLLAK® 7-POLE TRAILER LIGHT CONNECTOR WIRING KITS
For all taillights, brake lights, back-up lights, license light, electric brakes and auxiliary battery in trailer.
Customer Review:Read the review
Retail: $26.91
Our Low Price: $15.99 
You Save: $10.92
  BUY 7-POLE TRAILER LIGHT CONNECTOR WIRING KITS  
HIDDEN HITCH® TRAILER LIGHT T-CONNECTOR ADAPTERS
HIDDEN HITCH® TRAILER LIGHT T-CONNECTOR ADAPTERS
These T-connector adapters link 4-way flat vehicle connector to 6- or 7-way round trailer connector.
Customer Review:Read the review
Retail: $34.35 - $42.60
Our Low Price: $16.99 - $28.99 
You Save: $13.61 - $17.36
  BUY TRAILER LIGHT T-CONNECTOR ADAPTERS  
HOPPY® 4-WIRE FLAT ADAPTERS
HOPPY® 4-WIRE FLAT ADAPTERS
These adapters allow you to create a custom wiring system appropriate for any towing situation. The simple plug-in design requires no cutting or splicing so installation is easy. Pre-wired to fit flat connections.
Retail: $47.11 - $47.39
Our Low Price: $31.99 
You Save: $15.12 - $15.40
  BUY 4-wire Flat Adapters  
BLUE OX® WIRING KIT
BLUE OX® WIRING KIT
Connects towed vehicle light system to the RV's brake light wiring.
Customer Review:Read the review
Retail: $92.38 - $129.41
Our Low Price: $57.99 - $86.99 
You Save: $34.39 - $42.42
  BUY Wiring Kit  
J MARK 4-POLE AND 6-POLE TRAILER LIGHT CONNECTOR WIRING SETS
J MARK 4-POLE AND 6-POLE TRAILER LIGHT CONNECTOR WIRING SETS
Designed for Pickups, campers and trailers.
Retail: $12.09 - $15.78
Our Low Price: $6.99 - $8.99 
You Save: $5.10 - $6.79
  BUY POLARIZED TRAILER LIGHT CONNECTOR WIRING SETS  
HIDDEN HITCH® TRAILER LIGHT POWER CONVERTERS
HIDDEN HITCH® TRAILER LIGHT POWER CONVERTERS
This power converter completely isolates tow vehicle from trailer — receives power directly from battery.
Retail: $83.28
Our Low Price: $47.99 
You Save: $35.29
  BUY TRAILER LIGHT POWER CONVERTERS  
DEKA® BONDED TRAILER WIRES
DEKA® BONDED TRAILER WIRES
Deka® Bonded Trailer Wires are color coded 4-conductor wires that are designed specially for use on trailers.
Customer Review:Read the review
Retail: $34.33 - $116.29
Our Low Price: $20.99 - $73.99 
You Save: $13.34 - $42.30
  BUY BONDED TRAILER WIRES  
POLLAK 7-WAY RV TRAILER PLUG
POLLAK 7-WAY RV TRAILER PLUG
Durable and dependable! For vehicle owners using a tow vehicle with an OEM towing package. Fits all OEM sockets and makes for easy installation.
Customer Review:Read the review
Retail: $9.38
Our Low Price: $5.99 
  BUY 7-way RV Trailer Plug  
POLLACK T-CONNECTOR
POLLACK T-CONNECTOR
Own a 5th wheel RV or stock trailer? Here's the easy way to add an extra 7-way RV socket at the 5th wheel. Eliminates pulled out or torn wires on turns. Easy plug & play installation to all GM, Ford and other OE trailer towing sockets.
Retail: $75.76
Our Low Price: $47.99 
You Save: $27.77
  BUY T-Connector  
DEKA® TRAILER WIRING CABLES
DEKA® TRAILER WIRING CABLES
Deka® Trailer Wiring Cables simplify installation and replacement of trailer wiring.
Retail: $50.43 - $186.03
Our Low Price: $31.99 - $120.99 
You Save: $18.44 - $65.04
  BUY TRAILER WIRING CABLES  
HOPPY® POWER MANAGEMENT 7-WAY TO 5-WIRE FLAT 12-VOLT ADAPTER
HOPPY® POWER MANAGEMENT 7-WAY TO 5-WIRE FLAT 12-VOLT ADAPTER
The features of a multi-tow adapter with a 12-volt power supply—these functions can be used simultaneously or separate! Adapts a 7-way RV blade to a 5 and 4-wire flat. Provides an added source of convenient 12-volt power for additional powering options that no other adapter or system can readily provide.
Retail: $29.89
Our Low Price: $17.99 
You Save: $11.90
  BUY Power Management 7-way to 5-wire and 4-wire Flat 12-volt Adapter  
HOPPY® MULTI-TOW 7-WAY BLADE FLAT PLUG-IN ADAPTERS
HOPPY® MULTI-TOW 7-WAY BLADE FLAT PLUG-IN ADAPTERS
The simple plug-in design requires no cutting or splicing so installation is easy. Pre-wired to fit flat connections. These adapters allow you to create a custom wiring system appropriate for any towing situation.
Retail: $31.22 - $34.76
Our Low Price: $18.99 - $20.99 
You Save: $12.23 - $13.77
  BUY Multi-tow 7-way Blade Flat Plug-In Adapters  
1 - 20 of 25 products   |  Go to page 1 2 Next   |  Show All    | < Back to Trailer Wiring