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Description
778-48 REPLACEMENT CABLE / HARNESS EXTENSION FOR 778A LIGHT BAR (15 FT)Technical Specifications Part Type Replacement Cable Harness Extension Part Number 778 48 Brand Line Peterson Manufacturing Description 15 ft Replacement Cable Harness Extension for 778A Sequencing LED Light Bar. Extends the length of the cable included with the 778A light bar for easier installation or custom mounting positions. Length 15 feet (180 inches) Compatible With Peterson 778A Sequencing LED Light Bar Key Feature Extends original cable
Technical Specifications
| Part Type | Replacement Cable / Harness Extension |
| Part Number | 778-48 |
| Brand / Line | Peterson Manufacturing |
| Description | 15 ft Replacement Cable/Harness Extension for 778A Sequencing LED Light Bar. Extends the length of the cable included with the 778A light bar for easier installation or custom mounting positions. |
| Length | 15 feet (180 inches) |
| Compatible With | Peterson 778A Sequencing LED Light Bar |
| Key Feature | Extends original cable length for flexible installation |
| Packaging | Poly Bag |
| Application | Cable extension for Peterson 778A Sequencing LED Light Bar on trucks and trailers |
Cross References
| Brand | Part Number |
|---|---|
| Peterson Manufacturing | 778-48 |
| Peterson Manufacturing | Other harnesses and cables for 778 Series light bars |
| Application | 15 ft Replacement Cable for 778A Sequencing LED Light Bar |
Vehicle Fitment
| Make | Model | Model Years | Notes |
|---|---|---|---|
| UNIVERSAL | All Heavy-Duty Trucks & Trailers using 778A Sequencing LED Light Bar (Freightliner, Kenworth, Peterbilt, International, Western Star, Mack, Volvo, Sterling) | 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 | Cable extension for 778A light bar |
| Buses & Coaches | 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 | Cable extension for 778A light bar | |
| Trailers & Vocational Equipment | 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 | Cable extension for 778A light bar | |
| Universal for any vehicle equipped with the Peterson 778A Sequencing LED Light Bar where additional cable length is needed. | Direct replacement / extension cable | ||
| Notes | Peterson 778-48 is the official 15-foot replacement/extension cable specifically designed for the 778A Sequencing LED Light Bar. It allows installers to position the light bar farther from the power source or controller without splicing. Comes in poly bag packaging and is a direct-fit solution for maintaining the integrity of the original wiring system. | ||
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 353 reviews
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Product Reviews
★★★★★ 5
BNTECHGO 14 Gauge Silicone Wire Spool 40 feet Ultra Flexible High Temp 200 degrees
Size: silicone wire red 20ft and black 20ft, Color: Red and Black
I'm reworking all the interior and exterior electrical wiring, relay's, connections (body grounds as well) on my 1994 GMC K-2500, the original wire did a good service for the 25 years it has been used. I'm disabled and refuse to pay $50,000 for a new truck (it wouldn't run as well as my 1994 anyway) I was hesitant about this brand or wire, but I thought (I'm not supposed to do that) I would give them a chance thanks to the reviews. I was Extremely Pleased at the High Quality of this "Real Copper" wire, not aluminum w/ coated- COPPER !, tinned very well, the silicone insulation is real industrial grade silicone. I run all my wire inside of braided nylon sheathing and securely fasten it every 24", using adhesive lined shrink tubing over all connections- works very well with this wire, it is easy to form for tight turns, lays straight once laid out, soders excellently (the top notch tinning helps there), I now have several hundred feet of 18, 16, 14 and 12 gauge of this VERY High Quality wire (It will be used on my solar system as well now) Thanks again Amazon for another "Top Quality, First Class" product that I can have delivered to my door, 90 miles from town, AND Thanks to everyone who takes the time to review the items we all could benefit from knowing better what the strong and weak points are
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 31, 2019
★★★★★ 5
Excellent choice
Size: silicone wire 40ft, Color: Yellow
This stuff is great. I love the silicon insulation. It doesn't curl or tangle.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 20, 2025
★★★★★ 4
Solders nice, extremely flexible maybe too flexible
Size: silicone wire red 20ft and black 20ft, Color: Red and Black
The wire solders very nicely. It's very flexible, perhaps a little too flexible. I used this wire in a couple speaker building projects. I like to put the wire in a drill and twist the wires together, it's a nice look and helps with wire management. The too flexible part makes it so the wire doesn't stay tightly twisted. To remedy that I use heat shrink at either end to at least keep the wires somewhat together.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 12, 2021
★★★★★ 5
Quality heat resistant wire.
Size: silicone wire red 25ft and black 25ft, Color: Red and Black
Quality, heat resistant silicone wire for my heating coil wine bottle cutting project. I didn’t need very much, but provided me the best price and option. No regrets.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 16, 2025
★★★★★ 5
Best for 12S high current battery wires
Size: silicone wire red 25ft and black 25ft, Color: Red and Black
High quality flexible silicone wire. Perfect for high current large motor & battery wires.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026