2018-2019 Equinox-Terrain(Non-Bose) subwoofer integration harnesses - TerrainForum.net: GMC Terrain Forum
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post #1 of 3 (permalink) Old 04-18-2019, 09:24 PM Thread Starter
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Now available for purchase are the subwoofer integration harnesses for the 2018-2019 Non-Bose systems.These harnesses make adding a subwoofer amplifier and subwoofer much simpler by working at the stock radio located under the passenger side glovebox.No cutting or splicing required for installation.

NOTE: For systems with the dual connector sets please allow 3-5 days lead time from date of purchase.

Pricing for harness types.....(Pricing is subject to change and will be updated in this thread)

Green connector(IO5-IO6)..….$40
Brown connector(IOB).....N/A
Aqua and almond (IOR)....$100
Black and dark gray(IOU-IOS-IOT)....$100

Add a PAC LP7-2 line out converter to any harness for an additional $28.This PAC unit will provide a remote turn on for your amplifier.

Contact me at [email protected] for payment information or any inquiries.


Last edited by JH1973; 04-19-2019 at 08:29 PM.
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post #2 of 3 (permalink) Old 04-22-2019, 11:35 PM Thread Starter
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Here is a video that a customer of mine made installing the harness.He has the black and gray dual connector set and is using an Audiocontrol LC2i. He mentions in the video about referring to my video regarding how the connectors work.The video below this top one is the video he is referring to.

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post #3 of 3 (permalink) Old 04-25-2019, 04:02 PM Thread Starter
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Here is a 3-part series of the same customer running a 4awg power wire through the firewall.....

Part 1

Part 2

Part 3
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