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  5. Video 236

Trailer Wiring and Light Replacement Demonstration Video

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Info for these parts were:

Employee Jacob T
Video Edited:
Jacob T
Employee Kathleen M
Video by:
Kathleen M
Employee Randy B
Installed by:
Randy B

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Products Featured in this Video


35 Ft 4-Way Trailer Wiring Harness - Wishbone Style - 42" Ground


Optronics Trailer Wiring

859 reviews


Code: A35W42B

Price:  $27.17
  • Trailer Wiring
  • Trailer Connectors
  • Trailer End Connector
  • 4 Flat
  • Plug and Lead
  • Optronics



4-Way trailer harness connects to your tow vehicle to control trailer light functions. Wishbone-style harness comes with 2 tail light wires split for simple wiring.


Do you have a question about part A35W42B?more information >     


Dielectric Grease for Electrical Connectors, 2 oz.


LubriMatic Accessories and Parts

1493 reviews


Code: 11755

Price:  $11.41
  • Accessories and Parts
  • Trailer Wiring
  • Wiring
  • Dielectric Grease
  • LubriMatic


Protect your electrical connections with this specialized formula that combats corrosion from water damage. Electrical Contact Grease comes in a 2 oz. tube.


Do you have a question about part 11755?more information >     


Peterson Combination Trailer Tail Light - 7 Function - Incandescent - Square - Driver Side


Peterson Trailer Lights

883 reviews


Code: 432400

Retail: $14.37

Price:  $5.55
  • Trailer Lights
  • Tail Lights
  • Brake/Tail/Turn
  • License Plate
  • Marker
  • Square
  • Surface Mount
  • Non-Submersible Lights
  • Incandescent Light
  • 4-3/4L x 4-1/2W Inch
  • Red
  • Peterson



4-3/4" x 4-1/2" Square. Incandescent trailer light serves 7 functions: stop, turn, tail, rear reflex, side reflex, side marker, and license plate light. Stud mount to trailer. Quick-connect wire inserts. (1) 1157 and (1) 1156 bulbs.


Do you have a question about part 432400?more information >     


Peterson Combination Trailer Tail Light - 6 Function - Incandescent - Square - Passenger Side


Peterson Trailer Lights

883 reviews


Code: 432200

Retail: $15.08

Price:  $5.43
  • Trailer Lights
  • Tail Lights
  • Brake/Tail/Turn
  • Marker
  • Square
  • Surface Mount
  • Non-Submersible Lights
  • Incandescent Light
  • 4-3/4L x 4-1/2W Inch
  • Red
  • Peterson



4-3/4" x 4-1/2" Square. Incandescent trailer light serves 6 functions: stop, turn, tail, rear reflex, side reflex, and side marker. Stud mount to trailer. Quick-connect wire inserts. (1) 1157 and (1) 1156 bulbs.


Do you have a question about part 432200?more information >     


Demonstration of a Trailer Wiring and Light Replacement


Today were going to be replacing the wiring on this trailer. We will be replacing a 4 pole flat, as you can tell this one is pretty beat up and worn, so it has to be replaced. We are going to cut this wire off and we are going to replace this brown wire also. We are going to cut this loose and pull the rest of our wire through, on this trailer here it is pretty open so we can reach the wiring.… see more >