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  • Custom Made T-Harness for BOSE - Compatible with 2019-2025 GMC Sierra - Chevrolet Silverado Vehicles
Custom Made T-Harness for BOSE - Compatible with 2019-2025 GMC Sierra - Chevrolet Silverado Vehicles
Custom Made T-Harness for BOSE - Compatible with 2019-2025 GMC Sierra - Chevrolet Silverado Vehicles
Custom Made T-Harness for BOSE - Compatible with 2019-2025 GMC Sierra - Chevrolet Silverado Vehicles
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Custom Made T-Harness for BOSE - Compatible with 2019-2025 GMC Sierra - Chevrolet Silverado Vehicles

Key Features:
  • - Hand Crafted in-house by our award winning team
  • - Provides the factory subwoofer signal to feed into a new aftermarket subwoofer amplifier
  • - Connects at the factory BOSE amplifier for a zero splice connection
  • - Made from premium copper wiring along with audiophile grade RCA tips
  • - Available in multiple configurations depending on the amplifier being used (Contact us if unsure)


From €75,95 to €173,95




GMCTHarness-Wire

Customer Reviews

Based on 41 reviews
90%
(37)
5%
(2)
0%
(0)
0%
(0)
5%
(2)
92.1
100.0
S
Steve G. (Leonardtown, MD, US)
T-Harness for BOSE with FOCAL LOC

This component is plug-n-play, simple to install, and I am impressed by the output signal level and clarity. It is a must have for those who want to retain the factory BOSE amplifier while adding an aftermarket amplifier and subwoofers.

User picture
J
Jonathan Broadway (Midlothian, VA, US)
Works Great

Used this to add an amp and sub to the Bose system in my 2020 Chevy Trail Boss. I wasn't sure what version I needed so I called SGS before purchasing. With a Kicker amp I just needed the RCA end. Installation was easy after getting the top of the back seat removed ( Thanks Chevy ). With the RCA tips you don't even have to run a remote turn on wire to the amp. Hook up your RCA, power and ground, run your speaker wire to the sub and enjoy some much needed low end. Quality harness that takes the guess work out. Super friendly and knowledgeable staff. Highly recommend.

J
Joel Fleming (Springfield, MO, US)
Works perfect

100% plug and play on my 2024 AT4 w/Bose, quality made harness

D
Danny D (Taylor, TX, US)
A must have for Bose Equipped trucks!

This Harness made installing a sub/amp in my truck a breeze! Honestly the hardest part was removing the seat to access the bose amp. Other than that,super simple process! I used a Kicker Key500.1 amp,so didn't have to run a remote wire. Thanks for all the Help,Don!!!!

User picture
C
Corey M (Dallas, TX, US)
Simple and clean

Very nice product and simple install. Had issue with my amp when powering up, and called shop, and representative was very helpful, and got me up and running. I will definitely be ordering from them again.

T
Thomas S (St Louis, MO, US)
Great harness & great service

I purchased a speaker wire version which was easy to install and worked as intended. High quality construction. I called in for some tech support and they gave me great help in troubleshooting my PAC TR7. Highly recommend these guys!! Thanks

User picture
B
Ben (Raleigh, NC, US)
2024 Silverado 1500 LTZ w/ Bose

I purchased this t-harness with the hi-level input speaker wire option and paired it with an Audio Control LC-1.800. Harness was well constructed and worked as intended. Easy installation and easily removable if the vehicle is sold.

User picture User picture
T
Travis Harris (Seattle, WA, US)
Nice unit

Worked very well. Definitely not factory ends as they are a little hard to connect. I liked the idea of not cutting any wires on a brand new truck.

G
Gabe Brigman (Columbia, SC, US)
Great part

Harness made my install super simple. Everything was plug and play. Made everything seamless. Top tier

E
Eric Hill (Grand Junction, CO, US)
Hassle Free Plug and Play Harness 20 Silverado LT Trail Boss W/ Bose

This is a great and easy way to add some BASS to your truck, without having to cut and splice,. Super clean and well made. SG for the WIN again.

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Product Description

For the Speaker Wire and RCA options, you will need to see if your amplifier accepts speaker-level/high-level inputs and how. For example, here are several popular amplifiers and if they accept High-Level inputs:

Arc Audio High-Level = RCA
Mosconi High Level = RCA
Kicker = High Level = RCA
New Alpine High Level = RCA
Older Alpine High Level = Speaker Wire
JL Audio High-Level = RCA
Audiocontrol High-Level = Speaker Wire
New Rockford High-Level = RCA
Old Rockford High-Level = Speaker Wire


Skar Audio RP Series High-Level = Does not have it, you cannot use direct RCAs from your factory Bose amplifier. You must convert this with our LOC option.

Sundown Salt Series High-Level = Does not have it, you cannot use direct RCAs from your factory Bose amplifier. You must convert this with our LOC option.

DD Audio M Series High-Level = Does not have it, you cannot use direct RCAs from your factory Bose amplifier. You must convert this with our LOC option.

Rockville = High-Level = Does not have it, you cannot use direct RCAs from your factory Bose amplifier. You must convert this with our LOC option.

etc. Check the manual of your amplifier or call them to find out if your amplifier requires a external LOC. 

Any questions, please let us know and we can guide you in the right direction.

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Read Less
Customer Reviews

Customer Reviews

Based on 41 reviews
90%
(37)
5%
(2)
0%
(0)
0%
(0)
5%
(2)
92.1
100.0
S
Steve G. (Leonardtown, MD, US)
T-Harness for BOSE with FOCAL LOC

This component is plug-n-play, simple to install, and I am impressed by the output signal level and clarity. It is a must have for those who want to retain the factory BOSE amplifier while adding an aftermarket amplifier and subwoofers.

User picture
J
Jonathan Broadway (Midlothian, VA, US)
Works Great

Used this to add an amp and sub to the Bose system in my 2020 Chevy Trail Boss. I wasn't sure what version I needed so I called SGS before purchasing. With a Kicker amp I just needed the RCA end. Installation was easy after getting the top of the back seat removed ( Thanks Chevy ). With the RCA tips you don't even have to run a remote turn on wire to the amp. Hook up your RCA, power and ground, run your speaker wire to the sub and enjoy some much needed low end. Quality harness that takes the guess work out. Super friendly and knowledgeable staff. Highly recommend.

J
Joel Fleming (Springfield, MO, US)
Works perfect

100% plug and play on my 2024 AT4 w/Bose, quality made harness

D
Danny D (Taylor, TX, US)
A must have for Bose Equipped trucks!

This Harness made installing a sub/amp in my truck a breeze! Honestly the hardest part was removing the seat to access the bose amp. Other than that,super simple process! I used a Kicker Key500.1 amp,so didn't have to run a remote wire. Thanks for all the Help,Don!!!!

User picture
C
Corey M (Dallas, TX, US)
Simple and clean

Very nice product and simple install. Had issue with my amp when powering up, and called shop, and representative was very helpful, and got me up and running. I will definitely be ordering from them again.

T
Thomas S (St Louis, MO, US)
Great harness & great service

I purchased a speaker wire version which was easy to install and worked as intended. High quality construction. I called in for some tech support and they gave me great help in troubleshooting my PAC TR7. Highly recommend these guys!! Thanks

User picture
B
Ben (Raleigh, NC, US)
2024 Silverado 1500 LTZ w/ Bose

I purchased this t-harness with the hi-level input speaker wire option and paired it with an Audio Control LC-1.800. Harness was well constructed and worked as intended. Easy installation and easily removable if the vehicle is sold.

User picture User picture
T
Travis Harris (Seattle, WA, US)
Nice unit

Worked very well. Definitely not factory ends as they are a little hard to connect. I liked the idea of not cutting any wires on a brand new truck.

G
Gabe Brigman (Columbia, SC, US)
Great part

Harness made my install super simple. Everything was plug and play. Made everything seamless. Top tier

E
Eric Hill (Grand Junction, CO, US)
Hassle Free Plug and Play Harness 20 Silverado LT Trail Boss W/ Bose

This is a great and easy way to add some BASS to your truck, without having to cut and splice,. Super clean and well made. SG for the WIN again.

Load More

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