PAC AP4-CH42 Manual

PAC Ikke kategoriseret AP4-CH42

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Side 1/6

PAC-audio.com Page 1

Rev 1

2/5/2024

Advanced Amplier Interface for

Chrysler / Dodge / Jeep / RAM

AP4-CH42

The AP4-CH42 provides a 6-channel pre-amp output for use with aftermarket audio equipment. Using the full range, xed

level head unit output, in conjunction with CAN messages, the AP4-CH42 delivers a variable 5v RMS pre-amp output with

fading, balance, equalization, and level control capabilities. The module also retains all audio from other vehicle features

such as factory navigation prompts, Bluetooth, uConnect, and parking sensor chimes. A data controlled remote amplier

turn on wire is also provided by the AP4-CH42. When used in conjunction with the APA-TOS1 (sold separately), the module

can provide a variable 2-channel ber optic digital audio output (TOSLINK).

Introduction and Features

Important Notes

1. Compatible with both amplied and non-amplied factory systems.

• Amplied Vehicles

• Compatible with all data-bus controlled amplied systems, no matter the screen size (including the 12" screen). To

identify these systems, look for logos on door speakers, tweeters, dash speakers or the subwoofer to conrm if the

vehicle has an amplied system (Alpine & Harmon Kardon). Some vehicles may not always have branded systems.

Unbranded amplied systems are generally identied by locating a center channel speaker or subwoofer

• Non-Amplied Vehicles

• Jeep Wrangler: Compatible with all screen sizes (5", 7" and 8.4").

• All other models: Only compatible in vehicles equipped with the 7" or 8.4" screen. Vehicles equipped with the 5"

screen are not compatible.

• If you are installing the AmpPRO in a vehicle that is not equipped with a factory amplier, you must add an amplier

to the vehicle's speakers, as the factory radio will no longer have a 4 channel variable output after it has been re-

congured by the AmpPRO. For example, you can not add only a subwoofer to a non-amplied vehicle, as the radio

will no longer power the cabin speakers properly.

• Non-amplied vehicles equipped with an Active Noise Cancellation (ANC) system require the ANC module to be

bypassed. This can be done manually or with the ANC bypass harness ANC-CH01. See page 2 Step 6d to re-congure

the factory radio.

2. If a factory amplier is present, it must remain connected and in the vehicle after the AmpPRO has been installed.

3. The remote output is rated at 2A of current. If more current is needed an external relay must be used.

4. Channels 5 and 6 are non-fading outputs. The output level of channels 5 and 6 can be controlled using the supplied level

control knob.

5. The chime volume and minimum volume levels are set to 0 dB by default. If you are happy with this level in your particular

application, additional adjustment is not required. Please refer to the Setup and Conguration section on page 2 for more details.

6. The level control knob must be connected in order to manually adjust the chime volume and minimum volume settings.

7. The factory radio's speed controlled volume and surround sound mode are not supported by the AP4 outputs.

8. When using the TOSLINK output (APA-TOS1 sold separately), DIP switch 1 must be on in order for all warning chimes to be

heard through the sound system (see page 2 Step 6a for details).

9. No adjustments can be made manually using the programming button, or the factory SWC when the module is connected to

a PC.

Module Layout

Interface Connector 1

Expansion Port

Programming Button

Feature Select

DIP switches

Non-Fading Level Control

Knob Connection

USB Connection

LED 1

TOSLINK Output

(APA-TOS1 sold separately)

Front Output

Ch. 1(L) and 2(R)

Rear Output

Ch. 3(L) and 4(R)

Non-Fading Output

Ch. 5(L) and 6(R)

LED 2

PAC-audio.com Page 2

Rev 1

2/5/2024

Advanced Amplier Interface for

Chrysler / Dodge / Jeep / RAM

AP4-CH42

Installation

1. Remove factory radio.

2. Disconnect the main 32 & 12-Pin factory harness from radio.

3. Connect AmpPRO harness to vehicle harness.

4. Connect AmpPRO harness to factory radio.

5. If you are using the AmpPRO in a vehicle with a factory amplier, leave the "Factory Speaker Connection Point" connectors

plugged into each other. If the vehicle has no factory amplier, connect the aftermarket amplier's speaker outputs to the

provided "Factory Speaker Connection Harness" and connect to the "Factory Speaker Connection Point."

6. Set any feature DIP switches that apply to your install.

a. Set DIP switch 1 on (down) to activate two channel mode. In this mode, both the TOSLINK and front RCA outputs (1

and 2) become non-fading outputs. All rear chimes will also be routed through these outputs in two channel mode

b. Set DIP switch 2 on (down) to lower the RCA output voltage to 4v. Leave DIP switch 2 o󰀨 (up) to keep the RCA output

voltage at 5v. See troubleshooting section on page 6 for more details.

c. DIP switch 3 is not used.

d. DIP switch 4 is for vehicles without a factory amplier. Set DIP switch 4 on (down) to recongure the radio for proper

communication with the AmpPRO.

7. If you are using the APA-TOS1 (sold separately) refer to the instructions included with that product for its installation

8. Connect the AmpPRO harness to the module.

9. Connect the level control knob to the module and install in an accessible location.

10. Connect the signal cables and remote input from the aftermarket amplier.

11. Complete the "Radio Reset Procedure." (see page 5 for more information)

a. Make sure the radio is fully booted and LED 1 is on. Press and hold the "Programming Button" until the LEDs alternate

ashing amber, then release.

b. The LEDs will alternate ashing green and the radio will re-boot

12. Turn the vehicle o󰀨, close the doors and let the vehicle sit for 5 minutes.

Two Channel Mode 5v / 4v Preout Non-Amplied VehiclesNo Function

1 32 4

Set DIP switches to the ON position to activate the corresponding features.

Set DIP switches to the OFF position for any features that are not desired.

Wiring Connection Chart

Produkt Specifikationer

Mærke:	PAC
Kategori:	Ikke kategoriseret
Model:	AP4-CH42

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