VS41 Vehicle Specific Instructions for use with RadioPRO ADVANCED In Select 2003-2006 Chevrolet / GMC Trucks and SUVs Introduction & Features The VS41 is an intelligent 4 camera switcher for controlling front, rear, and blind spot cameras. It is designed to be used with PAC radio replacement interfaces. Important Notes 1. These instructions are specifically for adding reverse, blind spot, and front cameras (or any combination of the three) to an aftermarket radio in the following vehicles: • 2003-2006 GM Trucks / SUVs 2. You must locate and connect to the analog turn signal wires in the vehicle, as well as connect the reverse output trigger from the GM1A to the VS41. Please wire the VS41’s analog input triggers 1, 3 and 4 according to the instructions below. 3. Analog input trigger 2 on the VS41 only needs to be connected if you want manual activation of the front camera via toggle switch. Automatic activation of the front camera (Input 2) via Class II Data-Bus commands can be set using the RadioPRO PC application. See page 2 for more details on the RadioPRO PC app. 4. The reverse trigger output will provide a 150 mA 12v (+) trigger while any of the input triggers are activated. 5. The VS41 video output will always default to the signal from Input 1 when none of the input triggers are activated. This Input is ideal for connecting the rear (reverse) camera. 6. The VS41 inputs have priority in descending numerical order. For example: If you have Input 3 or 4 triggered, then you trigger a lower number input (for example Input 2), Input 2 will take priority over the higher numbered Input. 7. If there is poor video quality after installation of this module, please ensure quality connections on all RCA connections. Wiring Connection Chart Video Output Video 1 Input - Reverse Camera Any wire present on the VS41 that is not mentioned here WILL NOT be used in this application. Video 2 Input - Front Camera Video 3 Input - Left Blind Spot Video 4 Input - Right Blind Spot VS41 Wire White Gray / Black Green Purple Purple / White White Input 1 trigger (+) Gray / Black Input 2 trigger (-) Green Input 3 trigger (+) Purple Input 4 trigger (+) Purple / White Reverse trigger output (+) 10-Pin Plug Expansion Port on GM1A Connection Reverse Trigger Input (+) - Connect to the Purple / White reverse trigger output provided by the GM1A Front Camera Trigger (-) - If you would like to manually force the front camera, hook this wire to a ground (-) trigger through a toggle switch. Left Blind Spot Trigger Input (+) - *Dark green at turn signal switch on top of steering column. See diagrams next page. Right Blind Spot Trigger Input (+) - *Light green at turn signal switch on top of steering column. See diagrams next page. Reverse Trigger Output (+) - Connect this wire to the aftermarket radio's reverse trigger input. *Please verify all signals with a multi-meter before connecting the VS41 © 2018 AAMP Global. All rights reserved. PAC is a Power Brand of AAMP Global. PAC-audio.com Pacific Accessory Corporation Rev. 032818 VS41 Vehicle Specific Instructions for use with RadioPRO ADVANCED In Select 2003-2006 Chevrolet / GMC Trucks and SUVs Installation Steps 1. 2. 3. 4. Connect the 10-pin expansion plug to the GM1A interface. Wire up all the triggers and inputs as indicated in the chart on page 1. See diagrams below for location of turn signal wires. Once connected, verify all cameras are showing properly. The front camera behavior can be setup using the RadioPRO app. Please see the next section for more details on the RadioPRO app. Fig. A Fig. B RadioPRO App Use of the RadioPRO App allows you to do the following: • Set the behavior of the front camera Connect the GM1A interface to the PC and select the behavior of the front camera. Use the chart below to understand how each mode works. The GM1A does not have to be connected to power or in the vehicle to access camera settings. Mode Greater than 0MPH and less than *xMPH On when Shift into D until 6MPH or 30Sec On when Shift out of R until 6MPH or 30Sec Description This will activate the camera input whenever the vehicle is going faster than 0 mph or less than the designated number. This will activate the camera input whenever the vehicle is placed into Drive. The camera input will turn off once the vehicles speed is faster than 6MPH, or after 30 seconds. This will activate the camera input whenever the vehicle is shifted out of reverse. The camera input will turn off once the vehicles MPH is faster than 6MPH, or after 30 seconds. © 2018 AAMP Global. All rights reserved. PAC is a Power Brand of AAMP Global. PAC-audio.com Pacific Accessory Corporation Notes *Options are: 3 mph, 5mph, or 7 mph. This mode should be used in vehicles that have an automatic transmission This mode should only be used in vehicles that have a manual transmission. Rev. 032818
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