Shop Trailer Wiring, Connectors, Plugs, Adapters & More | Centreville Trailer Parts LLC

Electrical

We offer a wide variety of trailer electrical products including wire and cable, trailer connectors, wiring adapters, brake controllers, breakaway systems, and much more.

Here's a helpful write up on how to test your truck & trailer wiring!



Active filters

Price $6.56

TKL-50800
Truck-Lite - Surface Mount Junction Box

Surface mount electrical junction box - Contains 8 pre-tapped holes to accept compression fittings or filler plugs - Mounted...
Add to cart
Price $4.35

TKL-50890
Truck-Lite - Receptacle Boot

Receptacle boot - Black rubber boot provides protection for your trailer electric receptacles from the elements - Fits 2 and 3...
Add to cart
Price $1.35

TKL-50807
Truck-Lite - Nose Box Cable Grommet

Rubber cable grommet for nose box - Ensures a weatherproof seal where cable enters nose box
Add to cart
Price $20.82

TKL-97159
Truck-Lite - Metal 7-Way Round Trailer Plug

Metal 7 pin round trailer plug - 360° cable clamp prevents the cable from being pulled out - Brass terminals - Rear moisture...
Add to cart
Price $27.95

TKL-50896
Truck-Lite - Metal 7 Pin Round Receptacle

7 pin round tractor trailer style die cast receptacle
Add to cart
Price $23.76

TKL-50400
Truck-Lite - Junction Box Kit

Surface mount electrical junction box kit - 8 pre-tapped holes to accept compression fittings or filler plugs - Gray high...
Add to cart
Price $0.89

TKL-50830
Truck-Lite - Junction Box Filler Plug

Filler plug for trailer electrical junction box - To fill pre-tapped holes when compression fittings are not in use - Gray...
Add to cart
Price $2.75

TKL-50816
Truck-Lite - Junction Box Cap

Trailer electrical junction box cap/lid with o-ring - Gray high impact plastic - Use with junction box # TKL-50800
Add to cart
Price $7.24

TKL-96128
Truck-Lite - Harness Adapter To Convert From LED Fit & Forget To PL10

Truck-Lite - Harness Adapter To Convert From LED Fit & Forget To PL10
Add to cart
Price $58.95

TKL-50805
Truck-Lite - 7-Pin Round Nose Box without Circuit Breakers

Trailer electrical nose box without circuit breakers - 7 pin round tractor trailer style receptacle - Virtually indestructable...
Add to cart
Price $92.95

TKL-50806
Truck-Lite - 7-Pin Round Nose Box with 15 Amp Circuit Breakers

Trailer electrical nose box with 15 amp circuit breakers - 7 pin round tractor trailer style receptacle - Virtually...
Add to cart
Price $3.78

TKL-50840
Truck-Lite - 3/8" ID Compression Fitting

3/8" ID wire compression fitting for junction box - For use with 2 conductor cable - Gray high impact plastic
Add to cart
Price $3.59

TKL-50842
Truck-Lite - 3/4" ID Compression Fitting

3/4" ID wire compression fitting for junction box - For use with 6 and 7 conductor cable - Gray high impact plastic
Add to cart
Price $124.67

TKL-97151
Truck-Lite - 12' Heavy Duty Coiled Trailer Connector - 7 Pin Round

12' heavy duty coiled trailer connector with metal 7 pin round tractor trailer style trailer plugs on both ends - Can be used...
Add to cart
Price $3.62

TKL-50841
Truck-Lite - 1/2" ID Compression Fitting

1/2" ID wire compression fitting for junction box - For use with 4 and 5 conductor cable - Gray high impact plastic
Add to cart
Price $99.00

SCV-TGE25-2280B
Sealco - 7-Wire LED Sealed Harness (Separate Brake & Turn)

Sealco - 7-Wire LED Sealed Harness (Separate Brake & Turn)
Add to cart
Price $7.00

SCV-ME2108-3
Sealco - 4' Wiring Harness Extension

4' long trailer wiring harness extension
Add to cart
Price $5.00

SCV-ME2108
Sealco - 2' Wiring Harness Extension

2' long trailer wiring harness extension
Add to cart
Price $177.26

SCV-TGE141292-N
Sealco - 11' and Longer Tandem Axle Trailer Wiring Harness

Complete OEM sealed wiring harness for 2003 and newer Centreville Trailer Parts LLC brand trailers - This harness is generally...
Price $138.21

SCV-UT101643
Sealco - 10' to 12' Single Axle Trailer Wiring Harness

Complete OEM sealed wiring harness for 2003 and newer Centreville Trailer Parts LLC brand trailers - This harness is generally...
Add to cart
Price $11.61

PET-5415
Peterson - 7 Blade RV to 5 Way Flat Adapter

7 blade RV to 5 way flat adapter - Converts 7 blade RV connector to 5 way flat connector - Non-corrosive nylon shell 
Add to cart
Price $9.53

PET-PMV0690PT
Peterson - 6V-12V Circuit Tester Light

6 to 12 volt circuit tester - Test bulb inside of handle - Alligator clip at end of lead
Add to cart
Price $6.52

PET-PMV1575PT
Peterson - 30" Alligator Clip Test Lead Set

Set of two 30" test leads - One black lead - One red lead - Aliigator clips on both ends
Add to cart
Price $6.40

FRA-F7201
Mounting Bracket - 7 Way Flat Vehicle End

Mounting bracket for 7 way flat vehicle end receptacle - Zinc plated
Add to cart
Price $4.40

FRA-F7202
Mounting Bracket - 6 Way Round Vehicle End

Mounting bracket for 6 way round vehicle end receptacle - Zinc plated
Add to cart
Price $1.89

HAC-12-091
Hose & Accessories - 3/16" Steel/Brass Inverted Flare Plug

Hose & Accessories - 3/16"  Inverted Flare Plug. Steel / Brass
Add to cart
Price $429.56

HOP-50928
Hopkins - Tow Doctor - Wiring Harness Test Kit

Tow Doctor trailer end wiring harness test kit - Designed for one person to be able to test that a trailer's wiring is...
Price $14.95

HOP-48955
Hopkins - Tail Light Isolator Kit - Vehicle/Vehicle

Vehicle towing vehicle tail light isolator kit - Diode kit allows towed vehicle's tail light system to function properly
Add to cart
Price $16.63

HOP-48845
Hopkins - Tail Light Converter - 2 Amps

Tail light converter - Rated at 2 amps - 24" wires - Recommended for repairing damaged tail light converter
Add to cart
Price $7.53

HOP-20051
Hopkins - Replacement Breakaway Cable and Pin for LED Switches

Replacement 48" breakaway cable and pin for Hopkins new style LED breakaway switches 20050, 20059, and 20060
Add to cart
Price $6.37

HOP-20012
Hopkins - Replacement Breakaway Cable and Pin

Replacement 48" breakaway cable and pin for Hopkins breakaway switches 20005, 20010, and 20014
Price $49.98

HOP-40975
Hopkins - Multi-Tow Receptacle - Ford/GM OE Replacement - 7 Blade & 4 Flat

Multi-Tow receptacle - 7 blade RV and 4 wire flat plugs - Ford / GM OE replacement - Multi-Tow adapters provide two trailer...
Add to cart
Price $44.52

HOP-40955
Hopkins - Multi-Tow Receptacle - 7 Blade RV and 4 Flat - Ford / GM

Multi-Tow receptacle - 7 blade RV and 4 wire flat plugs - Ford / GM - Multi-Tow adapters provide two trailer wiring connection...
Add to cart
Price $44.60

HOP-42145
Hopkins - Multi-Tow Receptacle - 7 Blade RV and 4 Flat - Dodge

Multi-Tow receptacle - 7 blade RV and 4 wire flat plugs - Dodge - Multi-Tow adapters provide two trailer wiring connection...
Add to cart
Price $44.36

HOP-40965
Hopkins - Multi-Tow Receptacle - 6 Way Round and 4 Flat - Ford / GM

Multi-Tow receptacle - 6 way round and 4 wire flat plugs - Ford / GM - Multi-Tow adapters provide two trailer wiring...
Add to cart
Price $26.14

HOP-47565
Hopkins - Multi-Tow Adapter - 7 Blade RV to 6 Way Round and 4 Flat

Multi-Tow adapter - 7 way RV blade to 4 wire flat / 6 pin round - Multi-Tow adapters provide two trailer wiring connection...
Add to cart
Price $25.95

HOP-47385
Hopkins - Multi-Tow Adapter - 7 Blade RV to 4 Flat and 5 Flat

Multi-Tow adapter - 7 way RV blade to 4 wire flat / 5 wire flat - Multi-Tow adapters provide two trailer wiring connection...
Add to cart
Price $47.25

HOP-47185
Hopkins - Multi-Tow Adapter - 4 Flat to 4 Flat and 7 Blade RV

Multi-Tow adapter - 4 wire flat to 4 wire flat / 7 blade rv - Multi-Tow adapters provide two trailer wiring connection options...
Add to cart
Price $46.58

HOP-47175
Hopkins - Multi-Tow Adapter - 4 Flat to 4 Flat and 6 Way Round

Multi-Tow adapter - 4 wire flat to 4 wire flat / 6 pin round - Multi-Tow adapters provide two trailer wiring connection...
Add to cart
Price $9.42

HOP-48755
Hopkins - Mounting Box Kit for 4 Wire Flat Vehicle End

Box for mounting 4 wire flat vehicle end plug - Stores vehicle end plug out of the elements
Add to cart
Price $32.40

HOP-48925
Hopkins - Modular Tail Light Converter - DISABLED

Electronic tail light converter adapts tow vehicle's tail light system to the trailer's - 4 wire flat - 72" long - Powers up...
Add to cart
Price $30.78

HOP-48935
Hopkins - Modular Tail Light Converter (Obsolete/Discontinued)

Modular unit for separate turn signals and brakes - Converts independent bulb turn signals to common bulb - 4 wire flat...
Add to cart
Price $14.04

HOP-48495
Hopkins - Metal 7 Blade RV Vehicle End Receptacle

7 blade RV vehicle end receptacle - Aluminum housing - Corrosion resistant terminals
Add to cart
Price $14.07

HOP-48435
Hopkins - Metal 6 Way Round Vehicle End Receptacle

6 way round vehicle end receptacle - Die cast zinc - Impact and corrosion resistant
Add to cart
Price $14.07

HOP-52008
Hopkins - Metal 6 Way Round Plug with Cable Protector - Trailer End

6 way round plug with cable protector - Trailer end - Heavy duty - Die cast zinc - Impact and corrosion resistant
Add to cart
Price $9.32

HOP-48445
Hopkins - Metal 6 Way Round Plug - Trailer End

6 way round plug - Trailer end - Die cast zinc - Impact and corrosion resistant
Add to cart
Price $75.63

HOP-20099
Hopkins - Engager Side Mount Breakaway Kit with Meter and Charger

Engager side mount breakaway kit with battery meter and charger - Activates trailer brakes upon separation from vehicle - LED...
Add to cart
Price $8.45

HOP-48190
Hopkins - Endurance Quick Fix 4 Wire Flat Vehicle Receptacle - End Only

Endurance Quick Fix 4 wire flat vehicle receptacle - End only - Attaches to existing wires - LED test lights
Add to cart
Price $8.45

HOP-48192
Hopkins - Endurance Quick Fix 4 Wire Flat Trailer Plug - Plug Only

Endurance Quick Fix 4 wire flat plug trailer end only - Attaches to existing wires - LED test lights
Add to cart
Price $18.44

HOP-48480
Hopkins - Endurance 7 Blade RV Vehicle End Receptacle

Endurance 7 blade rv vehicle end receptacle - Oversized hinge - Lid opens 180° - Includes powder coated mounting bracket, hex...
Add to cart
Price $17.96

HOP-48500
Hopkins - Endurance 7 Blade RV Plug - Trailer End

Endurance 7 blade RV plug - Trailer end - Pistol grip - Tin plated terminals and rear grommet seal - Includes mounting...
Add to cart
Price $30.62

HOP-48400
Hopkins - Endurance 6 Way Round Connector Set

Endurance 6 way round connector set - 6 way round vehicle end receptacle and trailer end plug - Die cast zinc trailer end plug...
Add to cart
Price $14.93

HOP-47900
Hopkins - Endurance 5 Wire Flat Vehicle End Receptacle - 48"

Endurance 48" 5 wire flat vehicle end receptacle - Heavy duty housing with built in mounting holes - Includes dust cover,...
Add to cart
Price $11.61

HOP-47910
Hopkins - Endurance 5 Wire Flat Plug - Trailer End

Endurance 5 wire flat plug - 18" - Trailer end - Heavy duty connector housing with built in mounting holes - Includes dust...
Add to cart
Price $9.37

HOP-48030
Hopkins - Endurance 4 Wire Flat Vehicle End Receptacle - 48"

Endurance 48" 4 wire flat vehicle end receptacle - Heavy duty housing with built in mounting holes - Includes dust cover,...
Add to cart
Price $6.37

HOP-48110
Hopkins - Endurance 4 Wire Flat Plug - Trailer End

Endurance 4 wire flat plug - 12" - Trailer end - Heavy duty connector housing with built in mounting holes - Includes dust...
Add to cart
Price $13.85

HOP-20059
Hopkins - Breakaway Switch and Cable with LED - 7" Wires

Breakaway switch with LED indicator light and 48" cable and pin - 7" wires - LED verifies 12v of power being transmitted to...
Add to cart
Price $44.96

HOP-47275
Hopkins - Brake Controller Wiring Kit

Brake controller wiring kit - Everything needed to install most brake controllers
Add to cart
Price $13.07

HOP-47345
Hopkins - 7 RV Blade to 4 Wire Flat Adapter with LED Test Lights

7 RV blade to 4 wire flat adapter - LED function testing lights - Includes dust cover
Add to cart
Price $35.72

HOP-47425
Hopkins - 7 Pin Round to 7 Blade RV Adapter

7 Round pin tractor trailer style male end to a 7 blade RV style female end
Add to cart
Price $28.81

HOP-47445
Hopkins - 7 Pin Round to 6 Pin Round Adapter

7 pin round tractor trailer style to 6 pin round adapter - Center pin on 6 pin round is set for auxiliary pin - Includes dust...
Add to cart
Price $41.63

HOP-47595
Hopkins - 7 Blade RV to 7 Pin Round Adapter

7 blade RV to 7 pin round adapter - 7 pin round end is die cast zinc - Corrosion resistant terminals
Add to cart
Price $17.39

HOP-47555
Hopkins - 7 Blade RV to 6 Way Round Adapter - Center Pin Electric Brake

7 blade RV to 6 way round adapter - Universal center pin can be used for auxiliary or electic brake
Add to cart
Price $60.16

HOP-47025
Hopkins - 7 Blade RV to 5 Flat Flex-Coil Adapter with Nite-Glow

7 blade RV to 5 wire flat Flex-Coil adapter with Nite-Glow - Stretches up to 3 feet - Nite-Glow illuminates on tail light...
Add to cart
Price $51.30

HOP-47015
Hopkins - 7 Blade RV to 4 Flat Flex-Coil Adapter with Nite-Glow

7 blade RV to 4 wire flat Flex-Coil adapter with Nite-Glow - Stretches up to 3 feet - Nite-Glow illuminates on tail light...
Price $25.08

HOP-47435
Hopkins - 6 Way Round to 7 Blade RV Adapter

6 way round to 7 blade RV adapter - 6 way round end is die cast zinc - Corrosion resistant terminals
Add to cart
Price $76.79

HOP-47055
Hopkins - 6 Round Flex-Coil Extension with Nite-Glow

6 Round Flex-Coil extension - Stretches to 8 feet - Tin plated terminals - Nite-Glow illuminates with tail light function...
Add to cart
Price $6.35

HOP-47995
Hopkins - 6 Pole Square Connector Set

6 pole square connector set - 12" 6 pole square vehicle end receptacle - 12" 6 pole square trailer end plug
Add to cart
Price $11.53

HOP-47515
Hopkins - 4 Wire Flat to 5 Wire Flat Adapter

4 wire flat to 5 wire flat adapter - For use with marine type trailers equipped with surge brakes - Includes bullet terminal...
Add to cart
Price $6.89

HOP-48675
Hopkins - 4 Wire Flat LED Tester / Dust Cover

4 wire flat LED tester / dust cover - Indicator lights test left turn, right turn, brake and tail light functions - Attached...
Add to cart
Price $6.93

HOP-48655
Hopkins - 4 Wire Flat LED Tester

4 wire flat LED tester keychain - LED indicator lights verify vehicle side wiring is working correctly - Indicator lights for...
Add to cart
Price $11.64

HOP-47115
Hopkins - 4 Flat Extension - 48"

4 wire flat extension - 48" - Includes dust cover, wire ties, ground screw, and grease packet
Add to cart
Price $2.63

HOP-47965
Hopkins - 2 Wire Flat Extension - 12"

2 wire flat extension - 12" - 16 gauge copper wire
Add to cart
Price $46.44

HOP-49905
Hopkins - 14 Gauge Wire - 4 Flat - 25'

4 flat wire - 14 gauge copper wire - 25' spool - Functions printed on wire
Add to cart
Price $24.95

GVI-51302
Great Valley - 6v to 36v Master Disconnect Switch

Great Valley - 6v to 36v Master Disconnect Switch
Price $4.99

GVI-CB230
Great Valley - 30-amp Circuit Breaker - 2-Pole

Great Valley - 30-amp Circuit Breaker - 2-Pole
Add to cart
Price $66.59

FRA-81020
Free Backing Solenoid Kit (Single Wire)

Free Backing Solenoid Kit (Single Wire)
Price $49.95

GRA-3D235
Flanged Inlet - 15 Industrial - Grey (No Tamper Resistant)

Flanged Inlet - 15 Industrial - Grey (No Tamper Resistant)
Price $0.84

ELF-COV1/4X1/4
Electro-Fast Distributors - Rubberized Body Clamp - 1/4" x 1/4"

Rubberized body clip - Zinc plated steel - 1/32" black vinyl coating - Clamping diameter: 1/4" - Bolt diameter: 1/4" -...
Add to cart
Price $0.45

ELF-EFBCL
Electro-Fast Distributors - Frame Clip - 1-9/16" Long

Frame clip for securing wires to the frame - Made of tempered spring steel - Black zinc finish - Length: 1 9/16" - Width: 1/2"...
Add to cart