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INSTGMBTI-4

INSTGMBTI-4

INSTGMBTI-4

METRA.  THE WORLD’S BEST KITS.™

© COPYRIGHT 2004-2010  METRA ELECTRONICS CORPORATION

 

1-800-221-0932

metraonline.com

METRA.  THE WORLD’S BEST KITS.™

© COPYRIGHT 2004-2010  METRA ELECTRONICS CORPORATION

 

1-800-221-0932

metraonline.com

INSTALLATION INSTRUCTIONS

GM LAN INTERFACE 

FOR HANDSFREE 

BLUETOOTH CAR KITS

APPLICATIONS

READ IMPORTANT WARNING ON PAGE 1 

BEFORE ATTEMPTING ANY INSTALLATION

The GMBTI-4 is designed to integrate a Handsfree 

Bluetooth Car Kit into General Motors vehicles that 

have the 44 Way LAN data system. The OEM radio will 

mute when a call comes in and the audio will be heard 

through the front speakers. The GMBTI-4 is Plug-N-

Play for the Motorola IHF1000/1700 and Parrot car kits, 

and it can be used with other car kits with modifi cations.

CHEVROLET

2010 Camaro

2010 Equinox

GMC

2010 Terrain

3.  Insert the 44 pin Plug on harness 1 into the rear of 

the radio.

4.  Connect the 44 pin cap on harness 1 to the 44 pin 

plug connected to the vehicle (the connector that 

was removed from the back of the radio).

5.  Connect the 20 pin black connector (harness 2) to 

the GMBTI-2 module.

6.  Connect ISO to 8 way (harness 3) to the 8 way por-

tion of harness 2. NOTE: The 12 pin black connec-

tor will not be used.

7.  Plug the ISO side of the ISO to 8 way harness into 

the mating Parrot connectors. 

8.  Take the Mute wire of the Parrot kit and plug it into 

the “Mute 1” wire in the Parrot ISO harness.

9.  Finish installing the rest of the Parrot hands free kit 

and reinstall the OEM radio.

10. Reconnect the vehicles battery.

OPERATION

OTHER HANDS FREE KITS

Refer to the Parrot manual for operation. Adjust the 

volume of the handsfree kit by turning the volume knob 

of the radio. Audio from any source will be muted when 

a call comes in or a call is made.

Handsfree kits may have more then one speaker output 

on their harnesses however the GMBTI-4 needs only 

one speaker output to use.

Other handsfree kits can be used with the GMBTI-4. 

Follow the steps below to wire the handsfree kit:

1.  Using the ISO to 8 way connector harness cut the 

ISO ends off.

2.  The Yellow wire will go to the Battery wire of the 

handsfree kit

3.  The Red wire will go to the 12 volt accessory wire 

of the handsfree kit

4.  The Black wire will go to the ground of the hands-

free kit

5.  The Purple wire will go to the Mute wire of the 

handsfree kit

6.  The White wire will go to the (+) speaker output of 

the handsfree kit

7.  The White/Black wire will go to the (-) speaker out-

put of the handsfree kit

4

5

K

NOWLEDGE IS 

P

OWER

E

nhance your installation and fabrication skills by 

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Log onto www.installerinstitute.com or call 
800-354-6782 for more information and take steps 
toward a better tomorrow.

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