PAC NU-GM3 Manual

PAC Ikke kategoriseret NU-GM3

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Pacic Accessory Corporation - Santa Ana, CA 92705

techsupport@pac-audio.com • Voice: 866-931-8021 • Fax: 714-835-3233 • www.pac-audio.com

03-27-10

NU-GM3

GM LAN 29bit

Navigation Unlock

Integration Interface for

Vehicles with 44-Pin Connector

Installation: Disconnect the black 44-pin main harness from the back of

the radio (see g. A) Plug the male connector on the NU-GM3 harness into the

44-pin port on the back of the radio. Connect the factory 44-pin harness into

the female connector on the NU-GM3 harness.Plug the Black micro-t 24-pin

connector on the NU-GM3 harness into the NU-GM3.

Locate the vehicles VSS wire in pin 20 of the gray 20-pin plug on the back of

the radio (see g. A & B). PLEASE NOTE: The color of the wire in pin 20

will dier depending on the vehicle you are working on. This wire will need

to be cut then connected as follows: The green/black wire from the NU-GM3

should be connected to the radio/plug side of the VSS wire and the green/white

wire from the NU-GM3 should be connected to the vehicle side of the VSS

wire.

If you wish to enable the reverse camera unlock feature you must power up

the factory reverse camera. To do this a wire must be ran from the NU-GM3’s

red camera turn on wire to the factory power wire for the reverse camera. The

location of this wire will vary depending upon which vehicle you are installing

the NU-GM3 into. Please see the next page for the different locations.

Please Note: If the customer does not wish to use the Reverse Camera unlock

feature you do not have to locate and connect this wire. However if the lock

button is pressed when the NU-GM3 is active the screen will switch to reverse

camera mode.

The NU-GM3 is a Navigation Unlock integration interface that allows the factory navigation features of

your GM radio or the reverse camera to be used by the passenger at anytime.

To Vehicle

See Chart Below

For Connections

To Factory Radio

NUGM3 Harness

Connection Diagram

Wire Color Function Connect To

Red Reverse Camera Turn On Output (+) Reverse Camera Trigger in Tailgate

Green/White VSS Input Vehicle side of wire in pin 20 of the gray 20-pin plug behind radio

Green/Black VSS Output Radio side of wire in pin 20 of the gray 20-pin plug behind radio

Installation

Page 1

Main 44-pin Plug Gray 20-pin Plug

Pin 20

Fig A Fig B

Pacic Accessory Corporation - Santa Ana, CA 92705

techsupport@pac-audio.com • Voice: 866-931-8021 • Fax: 714-835-3233 • www.pac-audio.com

03-27-10 Page 2

Reverse Camera Wire Connection

1. You will need to locate the reverse camera harness. If you are installing the NU-GM3 into a Cadillac SRX, Chevrolet Equinox or GMC Terrain,

the reverse camera harness is in the tailgate (Fig A). If you are installing the NU-GM3 into a Buick LaCrosse, the reverse camera harness is in

the trunk lid (Fig- B).

2. Now you will need to locate the reverse camera wire. In the SRX, Equinox & Terrain the reverse camera wire is the lt. green wire in pin 6 of the

16 pin plug (Fig- C). In the LaCrosse the reverse camera wire is the lt. green wire in pin 8 of the 10-pin plug (Fig- D). Please verify that this wire

shows 12v (+) when the vehicle is shifted into reverse.

3. Connect the red camera turn on wire from the NU-GM3 to the lt. green wire using a diode (Fig E). The diode is needed to prevent the reverse

lights from coming on when the reverse camera is activated.

4. Verify that the reverse lights do not come on when the reverse camera unlock feature is being used.

Fig A Fig B

Reverse

Camera

Red Camera Activation Wire

Lt Green Camera Wire

Connect Diode

Here

Connect Red Wire