PAC AP4-FD31 Manual
PAC
Ikke kategoriseret
AP4-FD31
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© 2021 AAMP Global. All rights reserved. PAC is a Power Brand of AAMP Global.
PAC-audio.com
C
Page 1
Rev: 2
Date:020922
Advanced Amplier Interface
for Select Ford Vehicles
AP4-FD31
The AP4-FD31 provides a 6-channel pre-amp output for use with aftermarket audio equipment. Using the digital
A2B audio data in conjunction with CAN data, the AP4-FD31 delivers a variable 5v RMS pre-amp output with fading,
balance, equalization, and level control capabilities. The module also retains audio from other vehicle features such
as factory navigation prompts, safety chimes, Bluetooth and voice activation. A data bus controlled remote amplier
turn on wire is also provided by the AP4-FD31. The module also provides a variable 2-channel ber optic digital audio
output (TOSLINK).
Introduction and Features
Important Notes
1. This interface is only compatible in vehicles equipped with an A2B data bus controlled premium sound system. To verify
compatibility, look for a B&O badge on the door speakers or dash speakers.
2. The AP4 interface installs at the factory amplier location. Included T-Harness installs behind radio to access factory
speaker wiring not available at factory amplier.
3. The factory amplier will be disconnected and will no longer power the vehicle speakers. An aftermarket amplier must be
added to power the vehicle's speakers. For example, you cannot only add a subwoofer, as the factory speakers that were
connected to the factory amplier will no longer function.
4. On most Ford models, some of the vehicle speakers will be connected to the radio module in addition to the external
amplier. These speakers will also stop working when the factory amplier is disconnected and will need to be powered by
an aftermarket amplier. See Speaker Connections on Page 3 for vehicle specic speaker information.
5. The chime volume and minimum volume levels are set to 50% by default. If this level is adequate, no additional adjustment
is required. Please refer to the Setup and Conguration section on page 9 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 remote output is rated at 2A of current. If more current is needed, an external relay must be used.
8. 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.
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
LED 1
Interface Connector 1
Expansion Port
TOSLINK Output
Programming Button
Feature Select
DIP switches
Front Output
Ch. 1(L) and 2(R)
Non-Fading Level Control
Knob Connection
USB Connection
Rear Output
Ch. 3(L) and 4(R)
SUB (Non-Fading)
Ch. 5 and 6
LED 2
DIP
1234
ON
Two Channel Mode Vehicle Select5v / 4v Preout Not Used
1 2 3 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.

© 2021 AAMP Global. All rights reserved. PAC is a Power Brand of AAMP Global.
PAC-audio.com
C
Page 2
Rev: 2
Date:020922
Advanced Amplier Interface
for Select Ford Vehicles
AP4-FD31
Installation
1. Access the factory amplier (Audio Digital Sound Processing Module). Amplier locations are listed starting on
Page 3.
2. Disconnect the 20-pin, 8-pin and A2B USB connectors from the amplier. The amplier can be removed or left in
the vehicle.
3. Plug the 20-pin, 8-pin and A2B USB cables into the matching connectors on the AmpPRO (AP4FD31HAR)
harness.
4. Before connecting the interface, set any feature DIP switches that apply to the install:
a. DIP switch 1 is used for two channel mode. In this mode, all outputs will be non-fading and all chimes are diverted
through channels 1 & 2 and TOSLINK.
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 11 for more details.
c. DIP switch 3 is not used and should remain o (up).
d. Set DIP switch 4 to on (down) position if installing interface in a Mach-E. For all other vehicle models, DIP switch
4 should be o (up).
5. Connect the AmpPRO harness to the AmpPRO Interface Connector 1.
6. Connect the level control knob cable to the interface.
7. Connect the signal cables (RCA/TOSLINK) and remote input from the aftermarket amplier.
NOTE! The aftermarket amplier must have a very solid ground and the amplier power/ground
connections should be made before connecting the RCA's or Remote Turn On to the AP4-FD31!
On aluminum framed vehicles, it is recommended to ground directly to the battery.
Wiring Connection Chart
Front
1/L 2/R 4/R 5 6
3/L
Remote Amp Turn On +
2A Max Output
Rear Sub
TOSLINK
20-pin
Amplifier
8-pin
Amplifier
A²B USB
Amplifier
To Vehicle Amplifier Harness
Speaker
Leads
1-10
Non-Fading
Level Control
Knob
To Aftermarket
Amplifier
AP4FD31HAR
Produkt Specifikationer
Mærke: | PAC |
Kategori: | Ikke kategoriseret |
Model: | AP4-FD31 |
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