Multi Camera Input Interface
for select General Motors Vehicles
Pacific Accessory Corporation
Page 2
Rev. V2
Date: 072419
MCI-GM53
DIP switches
Vehicle Year
Vehicle Year
Not Used
Not Used
1
2
3
4
Set DIP switches according to the descriptions below
DIP switch Functions:
1. Vehicle Year 2018-2019
• Set ONLY this DIP switch on (down) when installing into 2018-
2019 model year vehicles
2. Vehicle year 2017
• Set ONLY this DIP switch on (down) when installing into a
2017 model year vehicle
Installation Steps
1.
Set the DIP switches for your vehicle based on the table above. These DIP switches must be set to the proper configuration before
connecting the interface to power.
2. Remove the factory screen assembly and disconnect the factory harnesses pictured below (Fig. A).
Please note that you will be
disconnecting the LVDS harness on the right in Fig. A. It is the black plug with the blue cable, NOT the blue plug with the black
cable.
3. 2018-2019 Vehicles ONLY
: Please note the the 20-pin VBM connector on the back of the screen assembly
as you will be interrupting this harness with one that connects to the module. (Fig. B)
4. Connect the MCI-GM53’s gray and gold male plugs on the power harness to the factory tuner unit (Fig. A).
5. Connect the factory gray and gold plugs into the female connectors on the MCI-GM53 power harness.
6. Connect the MCI-GM53’s male LVDS harness to the factory tuner unit (Fig. A).
7. Connect the factory LVDS harness into the female LVDS connector on the MCI-GM53.
8. 2018-2019 Vehicles ONLY:
• Connect the MCI-GM53 male VBM connector to the rear of the screen assembly (Fig. B).
• Connect the MCI-GM53 female VBM connector to the vehicles VBM harness.
9. Connect the power harness to the MCI-GM53 module.
10. Connect the LVDS harness to the MCI-GM53.
11. 2018-2019 Vehicles ONLY
: Connect the 4-pin VBM harness to the MCI-GM53 module.
12. Connect the video harness to the MCI-GM53 module.
13. Connect cameras and corresponding camera power wire outputs according to the chart on the right. If the
vehicle is equipped with a factory reverse camera, then Input 4 can be used for a bed camera or not at all.
Secure and insulate any camera inputs and power wires not being used to prevent any contact with metal.
Input
Function
Camera 1 Left Camera
Camera 2 Right Camera
Camera 3 Trailer/Front
Camera
*Camera 4 Other/Aftermarket
Reverse Camera
*This camera input is
automatically activated if
"Enable Aftermarket Backup
Camera" is on in the Installer
Setup menu.
3. Not Used (Leave in the up position)
4. Not Used (Leave in the up position)
**2016 Model Year vehicles: All DIP switches must be in the off (up) position**
Fig. A
Fig. B
Use the gray and gold
connectors
Use the
black LVDS
plug
with the
blue
cable
Factory Tuner Unit
VBM Connector