Installation Guide

Chevrolet/GMC

FULL SIZE TRUCK & SUV  11/20

Installation Instructions

1 Attach the Maestro module to the X009 main

harness.

2 Attach the chime speaker to the side of the center

console.

3 Insert the radio side of the main harness from

behind the dash to the radio cavity.

4 Connect factory harness to the X009 main harness

and secure it.

5 Place the GPS antenna on the top dash are as

illustrated and feed the cable in between the A/C

vents. Use the supplied magnetic base for the

best signal strength.

6 Access the OBDII connector located under the

driver side dashboard. Connect the BROWN /RED

wire from the Alpine harness to the TAN/BLACK

wire located at pin 6 of the OBDII connector.

Connect the BROWN /YELLOW wire from the

Alpine harness to the TAN wire located at pin 14 of

the OBDII connector.

7 Connect the X009 main harness to the headunit

and test all functions before snapping the

headunit bezel into the dashboard.