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Mazda CX-7 Grom USB3+Bluetooth kit

By on 18/04/2019

Here’s a walk through of an instal I did in a 2010 Mazda with MP3 stereo.

It’s a Grom MAZ8U3 kit with bluetooth dongle in a 2010 CX-7

A pretty straight forward gig, though 3 wires had to be tapped in to.

  • CX 7 head unit
  • Get trim tool under corner and work your way up. DONT PULL UP! pull out
  • Not many screws holding the vent section in, and nothing to unplug!
  • Get your 10mm socket on to this guy, it’s the only one
  • This is where the harness interfaces
    Put a towel down to protect everything from the sharp corners
Here we will tap in to indicated wires with nifty supplied connectors.
You’ll have to strip the sheath back some
There’s plenty of detail in the instruction manual for this
DONT PANIC!!
I have always soldered wires but not anymore. These taps are great!
Get that towel under to catch them. But if you dont unscrew the collar all the way you wont be dropping them….
All plugged in (mute wire not needed)
Time to test it
  • LOOK! Text display!!
A nice fit indeed under the vent. I ran the USB lead in to the Glove box
Mount the mic and plug it in to the BTD
Snug fit
Test driving with customer.
Thanks for looking. Stay tuned for more
Posted in Adding Bluetooth and tagged , .
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2 replies to “Mazda CX-7 Grom USB3+Bluetooth kit”

  1. Pingback: How to Remove the Radio from a Mazda 3 | Cushie Audio

  2. Great write up and images!

    Reply

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