See all parts that fit your 2018 Terrain
Install a new car stereo in select 1990-2006 vehicles from BMW, Land Rover
Product highlights
• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required
6x9" Speaker Mounting Adapter for select 2012-2025 vehicles from GMC, Chevrolet, Cadillac
$29.99
List price $33.99
Install New Speakers in select 2006-2024 vehicles from Chevrolet, GMC, Cadillac
$13.99
List price $14.99
480W Peak (160W RMS) 6.5" S-Series Hi-Res 2-Way Coaxial 4-ohm Car Speakers
$149.95
List price $180.00
200W Peak (100W RMS) 2.75" KS Series Midrange 4-ohm Speakers with Custom Brackets for GM, Chrysler, Subaru, Toyota and Jeep Models
$59.99
List price $69.99
600W Peak (300W RMS) 6x9" KS Series 3 Way Coaxial 4-ohm Shallow-Mount Speakers
$189.99
List price $209.99
660W Peak (220W RMS) 6x9” D Series 2 Way Coaxial 4-ohm Speakers
$136.00
List price $240.00
680W Peak (150W RMS) 6.5" A Series 2-way 4-ohm Coaxial Car Speakers
$99.99
List price $120.00
Please use our Fitment Guide to determine specific compatibility for the submodel and audio features
The vehicle you have selected 2018 GMC Terrain is not compatible. Change vehicle or See list of compatible similar products
600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers
$79.96
List price $119.99
900W Peak (300W RMS) 6x9” CS Series 3 Way Coaxial 4-ohm Speakers with Integrated Midrange Speakers
$111.96
List price $159.99
150W Peak (50W RMS) 3.5" Club Series 2 Way Coaxial 3-ohm Speakers
$79.95
List price $109.95
360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers
$99.95
List price $139.95
480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)
$84.99
List price $94.99
600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers
$109.00
List price $119.99
280W Peak (90W RMS) 6x9” SXE Series 2-way 4-ohm Coaxial Speakers
$56.99
List price $71.99
600W Peak (300W RMS) 6.5" Mille PRO Series 3-way 4-ohm Component Speaker System
$999.99
List price $1175.00
250W Peak (200W RMS) 6.5″ PNW Series 2 Way Component 3-ohm Speakers
$319.00
List price $339.00
Best selling similar products
Axxess AXDI-GMLN9 Wiring Interface
• Wiring interface to install aftermarket stereo in select 2014-2021 vehicles from Chevrolet, GMC
• Designed for non-amplified systems or bypassing a factory amplifier
• Provides accessory power, illumination output, and NAV outputs
• Retains R.A.P, chimes, balance, and fade
$116.99
List price $129.99
• Direct connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required
$197.99
List price $219.99
Axxess AXDI-GMLN10 Wiring Interface
• Wiring interface to install aftermarket stereo in select 2016-2021 vehicles from Chevrolet, GMC
• Designed for non-amplified systems or bypassing a factory amplifier
• Provides accessory power and NAV outputs
• Retains R.A.P, chimes, backup camera, balance, and fade
$120.99
List price $134.99
• Amplifier retention interface
• Designed to retain the factory BOSE amplifier
• Add-on for Axxess AXGMLN-09
$376.99
List price $418.99
• Direct connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required
$235.99
List price $262.99
• Direct connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required
$219.99
List price $244.99
• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required
$67.99
List price $75.99
Axxess AXDIS-GMLN10BT Wiring Interface
• Stereo Replacement Interface for select 2016-2021 vehicles from Chevrolet, GMC
• Retains audio controls on the vehicle’s steering wheel
• Retains OnStar, R.A.P, balance, and fade
• Provides NAV (parking brake, reverse, speed sense)
• Controls personalization settings via Bluetooth
• Designed for non-amplified models with RPO IOB/IOA
$265.99
List price $295.99
Axxess AXDIS-GMLN9BT Wiring Interface
• Stereo Replacement Interface for select 2014-2021 vehicles from Chevrolet, GMC
• Retains audio controls on the vehicle’s steering wheel
• Retains OnStar, R.A.P, balance, and fade
• Provides NAV (parking brake, reverse, speed sense)
• Controls personalization settings via Bluetooth
• Designed for non-amplified models with RPO IO5/IO6
$265.99
List price $295.99
Manufacturer:
Model Number:
BW01B
Weight:
0.25lbs
Internal SKU:
bw01b
Internal Product ID:
4425
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Works fine
Easy to splice and follow. Wire colors were clear. Plastic was clean of burrs and fit correctly. No problems with installation.
45 found this helpful
Works great with the stock wiring
Got this for my '98 BMW 328is with the HK system and stock amp. Works just as described and was a quick install. I just shortened the wires since there was a little too much between this and the head units wires. Been working great for a month now.
44 found this helpful
Just Works
Does everything it is supposed to do. Fitting it in my 1995 BMW 318ti was not too bad. I found a place to tuck the harness away to the left side of the head unit.
44 found this helpful
Works great
it really made it easy to install my HU.
41 found this helpful
Easy install
The adapter made installation of my new radio a much easier task. It does make it a little more of a challenge to stuff all the wiring back into the cavity area behind the radio on a '98 bimmer. No cutting of the stock wiring is always a good thing if you can avoid it and this adapter is the trick.
40 found this helpful
order this harness for the kenwood stereo got what i needit right away from sonic
i have to let you people know that i have dealt with the customer service from sonic electronix and they have been more than helpful on getting the questions answered and the merchandise to the customer. very happy with their professionalism and expertise.. keep up the good work.
40 found this helpful
works!
Umm yeah you need this! so get it now!
It works would recommend.
39 found this helpful
Wires in the harness are loose and cause distortion on bumps
The harness fit well to my deck, but the actual wires in the harness are extremely loose, and when i go over a bump, my music cuts off for just a quick moment, i'm attributing it to the loose wires in the harness. They should be quite fixed in the harness and they're not. I would suggest the company to create a more sturdy version
Verified purchase
40 found this helpful
Does the job, if you really need it.
If you might someday reinstall the factory unit back into your BMW then you should use this. Is your particular car so rare, is your new head unit so expensive that you might reinstall the factory unit?
This is a very large connector and is only one half of the connector. It takes up at least two square inches behind your new head unit. Valuable real estate in such a finite area of space.
Am I saying that you might be better off soldering or crimping the wires together? I am, if the first paragraph doesn't apply to your car.
I used it in my car this time and it cost me much time and effort. I will not be using it in my next install though.
38 found this helpful
A must Have
Save your sanity. This is a plug and play after you the connect to your new radio harness.
37 found this helpful
Scosche BOBAZT Stereo Connector Kit
• Designed to connect in-dash receiver wiring harness to vehicle wiring harness
(27)
$9.95
List price $9.95
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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:
Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.
