2018 Chevrolet Colorado Bose Question

Group using the GM3 and GM5 firmware for Onstar bluetooth, sat radio, Door chime, turn signal retention and steering wheel control, custom gauges, vehicle info, park assist... * see specific firmware for full feature list.
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Colorado Guy
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2018 Chevrolet Colorado Bose Question

Post by Colorado Guy » Tue May 28, 2019 7:23 pm

Good day,

I have a 2018 Chevrolet Colorado, w/ Bose 8" display. Seriously considering replacing w/ an Alpine head unit.

Question is, what happens when I use the iDatalink HRN-RR-GM3 Interface Harness, does that bypass the Bose system, or does it use the Bose system?

As such, do I lose output from any speakers, or do I need to use some other amp?

Thank you.

Rich

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Zack Flynn
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Re: 2018 Chevrolet Colorado Bose Question

Post by Zack Flynn » Tue May 28, 2019 7:25 pm

The harness connects to the factory radio harness and provides all the other required connections for power, CAN data, etc. You will need to bypass the factory amplifier, and either run new speaker wiring, or add an aftermarket amplifier to power the speakers.
Zack Flynn
Automotive Data Solutions
Technical Support & MECP Master Installation Technician
Zachary.flynn@adsdata.ca

Colorado Guy
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Re: 2018 Chevrolet Colorado Bose Question

Post by Colorado Guy » Wed May 29, 2019 2:39 am

So your harness does not have the connectors to bypass the factory amp? I couldn't find instructions for the HRN-RR-GM3 harness itself.

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Dara DeGrand
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Re: 2018 Chevrolet Colorado Bose Question

Post by Dara DeGrand » Wed May 29, 2019 8:15 am

Correct. We do not provide connectors, but there is a wiring table that gives you all the wiring information so you can manually bypass it.
Dara DeGrand
Maestro Technical Support Manager
Automotive Data Solutions Inc.
8400 Bougainville, QC
T 514.807.2888
TF 866.427.2999

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