Connecting Ground Wires From Optronics 25' Trailer Wiring Harness With Tail Lights Ground Strap
Updated 02/26/2024 | Published 02/24/2024 >
Products Featured in This Question
Question:
I recently bought the Optronics TLL160RK along with the Optronics 25ft trailer harness. I already have a connection for the harness on my truck but I’m curious if I would need to connect the ground on the 4 pin as both lights already come with grounds on them? TIA
asked by: Cody S
Expert Reply:
You have 2 options for your 25 Ft 4-Way Trailer Wiring Harness # A25W2GWB when wiring in the Optronics LED Combination Trailer Tail Lights # TLL160RK.
First is the way I recommend since the harness has the full length ground wires is to cut off the eyelet on the tail lights and wire the ground from the tail lights to the harness. Heat Shrink Butt Connectors # DW05744-10 are the best option for a weather tight connection. If you have any side marker lights they will also need connected to ground wires.
The other option is to go ahead and ground the ground wires on the harness to the trailer frame. While many think they do not need a ground connection on the trailer since you have a steel ball connected to a steel hitch and steel frame the paint used on these surfaces is often too thick for the very low draw of the LED tail lights.
Product Page this Question was Asked From
Optronics LED Combination Trailer Tail Lights - Submersible - 40 Diodes - Driver and Passenger Side
- Trailer Lights
- Tail Lights
- Brake/Tail/Turn
- License Plate
- Marker
- Rectangle
- Surface Mount
- Submersible Lights
- LED Light
- 8L x 3W Inch
- Red
- Optronics
more information >
Continue Researching
- Shop: Trailer Wiring
- Shop: Thinline LED Clearance and Side Marker Light - Submersible - 3 Diodes - Rectangle - Amber
- Article: Trailer Wiring Diagrams
- Shop: LED Combination Trailer Tail Light - 6 Function - Submersible - 12 Diodes - Passenger Side
- Shop: Optronics LED Combination Trailer Tail Lights - Submersible - 40 Diodes - Driver and Passenger Side
- Shop: Replacement Tail Light and Side Marker Lens for Optronics Combination Tail Light - Rectangle - Red
- Shop: Deka Wiring Snap Plug - Male - 16-14 Gauge Wire - PVC Insulation - Blue - Qty 1
- Shop: LED Identification Light Bar for Trailers over 80" Wide - Submersible - 9 Diodes - Red Lens
- Shop: Optronics Fleet LED Trailer Tail Lights w/ Grommets - Stop,Turn,Tail - Submersible - Oval - Qty 2
- Q&A: Upgrading Lights on 2000 Tracker PT175 Trailer to LED
- Video: Detailed Breakdown of the 35 Ft 4-Way Trailer Wiring Harness
- Search Results: optronics trailer lights
- Video: LED Combination Trailer Tail Light Spec Review
- Video: All You Need to Know About the LED Tail Light for Trailers Over 80" Wide
- Search Results: dw05744~10
- Search Results: a35w42b
- Search Results: ptw2993
- Video: All About the 35 Ft 4-Way Trailer Wiring Harness
- Video: Detailed Breakdown of the Loadstar K399 Bias Trailer Tire
- Search Results: trailer wire
- Search Results: tie down bracket
- Q&A: Can I Swap Out 4.80x12 Tires for 20.5x8x10 Tires for More Stability?
- Q&A: Replacement Trailer Tire Recommendation for a 21 Year Old 20.5x8x10 Tire
- Q&A: Trailer Tire Recommendation to Upgrade From 215/60-8 Tires
- Video: All You Need to Know About the Coupler Pin w/ Chain- 1/4" Diameter x 1-3/8" Long
- Video: Optronics Trailer Lights A16RB Review
- Search Results: trailer safety pin
- Q&A: Trailer Wiring Harness Compatible with Peterson 435800 Trailer Stop/Turn/Taillight
- Q&A: Wishbone Wiring Length Recommendation for a 16-1/2' Boat Trailer
- Q&A: Why Would Trailer Wiring Have an Extra Ground Wire

