20-pin Subaru/Nissan Direct wire harness for Pioneer Headunits (2007-up Non-Navigation vehicles)

Item Number: AHH-70-7552P


AHH-70-7552 Pioneer 70-7552


This adapter is used to install an aftermarket Pioneer Multimedia/Navigation Receiver in a 2007-up Subaru or Nissan.

Adapter includes pins to connect a steering wheel control interface module. (Pins 4,13,14)* and includes the Vehicle Speed Sensor signal wire. In addition, dedicated ground and +12 Volt Accessory wires are provided to power a steering wheel control interface module.

**Pin 14 is grounded in the harness for the convenience of the installer. If this connection is not desired, cut the wire that connects between pin 14 and pin 10.

Wires are either standard color coded or labeled for a simplified installation:

Wire Color Function
Red +12 Volt Accessory
Black Chassis Ground (Some Nissans vehicles don't have this wire)
Pink Vehicle Speed Sensor (VSS) (input to Pioneer - do not connect for non-navigation Pioneer headunits)
Green (Labelled) Pin 4 - Steering Wheel Switch 1
Blue (Labelled) Pin 13 - Steering Wheel Switch 2
Purple Reverse Signal input to Pioneer Headunit
Brown E-brake Signal input to Pioneer Headunit

Ground Wire Note: The ground wire found in the wiring harness is for select vehicles only. Confirm that your vehicle's wiring harness has a corresponding ground wire. If no wire is present, cut the ground wire from the vehicle side of the adapter and connect the ground wires for the Pioneer and the Steering wheel control interface module to the vehicle's metal chassis.

This adapter does not include the 3.5mm connector that is used to connect the steering wheel control wires to an aftermarket audio receiver. If you are using an ASWC-1 or similar steering wheel control interface, this connector will be included with the interface. If your new Pioneer headunit/audio receiver has the capability to recognize steering wheel controls without an interface (Most Pioneers don't have this functionality), you do not need the ASWC-1. The 3.5mm jack for connecting to the back of the new headunit can be purchased HERE.

***We now have a version of this adapter available with the ASWC-1 connector pre-wired (Only fits Subaru vehicles). The part number is AHH-70-7552PS. If you would like this version of the adapter, please select the "Pioneer Direct Wire Adapter with ASWC-1 Connector" Option below.***


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AHH-70-7552PS (Pioneer Direct Wire Adapter with ASWC-1 connector pre-wired)

Vehicle Model and Year:

AHH-70-7552P (Pioneer Direct Wire Adapter)


Subaru USB adapter

OEM headunit model number:

Need the 16-pin adapter?

16-pin adapter photo 16-pin adapter photo

The 16-pin adapter retains functionality of the auxiliary input in the console. The wiring color code for the 16-pin harness/connector is as follows:

Gray - Reverse signal (Signal is NOT present on the WRX or Forester. Most pre-2012 cars also do not have this signal.)
Green - E-brake signal (Signal is NOT present on the WRX or Forester. Most pre-2012 cars also do not have this signal.)

Option 1:
Red RCA - Right Auxiliary audio input
White RCA - Left Auxiliary audio input

Option 2:
3.5mm plug - Stereo Auxiliary input

***Harman Kardon vehicles will include an additional wire. This wire is a +12V power connection for the stock Harman Kardon amplifier. It must be connected to the blue Amp turn-on wire on the 20-pin connector.***

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16-pin adapter photo

Option 1

Does this vehicle have the Harman Kardon package?
Vehicle Model:
16-pin adapter photo

Option 2

Does this vehicle have the Harman Kardon package?
Vehicle Model:

Vehicle Fitment:

(This is NOT a complete list. Please help us update it. If a known model is not listed, let us know)

2012-2014 Crosstrek XV (w/o nav)
2009-2015 Forester (w/o nav)
2008-2014 Impreza (w/o nav)
20XX-20XX Legacy/Outback - Not compatible - see AHH-70-7552P
2010-2015 WRX and WRX STI (w/o nav)
***This harness is not compatible with any 2016 Subaru vehicle. Please contact us (inquiry@autoharnesshouse.com) for the correct harness.

see AHH-70-7552P

see AHH-70-7552P


see AHH-70-7552P

Pioneer Headunit Fitment:

This harness will fit any 2014 or newer Pioneer headunit with a video screen.
(If your unit does not have a video screen, slight modification may be necessary. Click here for more details.)

Pioneer AVH-1300NEX
Pioneer AVH-1330NEX
Pioneer AVH-1500NEX
Pioneer AVH-1550NEX
Pioneer AVH-190DVD
Pioneer AVH-200EX
Pioneer AVH-201EX
Pioneer AVH-210EX
Pioneer AVH-211EX
Pioneer AVH-220EX
Pioneer AVH-270BT
Pioneer AVH-290BT
Pioneer AVH-291BT
Pioneer AVH-2330NEX
Pioneer AVH-2400NEX
Pioneer AVH-2440NEX
Pioneer AVH-2500NEX
Pioneer AVH-2550NEX
Pioneer AVH-310EX
Pioneer AVH-3500NEX
Pioneer AVH-4100NEX
Pioneer AVH-4200NEX
Pioneer AVH-500EX
Pioneer AVH-600EX
Pioneer AVH-601EX

Pioneer AVH-W4400NEX
Pioneer AVH-W4500NEX

Pioneer AVH-X2800bs
Pioneer AVH-X391BHS
Pioneer AVH-X4800bs
Pioneer AVH-X490bs
Pioneer AVH-X491BHS
Pioneer AVH-X5800BHS
Pioneer AVH-X7800BT

Pioneer AVH-ZL5150BT

Pioneer AVIC-5100NEX
Pioneer AVIC-5200NEX
Pioneer AVIC-5201NEX
Pioneer AVIC-6200NEX
Pioneer AVIC-6201NEX
Pioneer AVIC-7200NEX
Pioneer AVIC-7201NEX
Pioneer AVIC-8200NEX
Pioneer AVIC-8201NEX
Pioneer AVIC-W6400NEX
Pioneer AVIC-W6500NEX
Pioneer AVIC-W8400NEX
Pioneer AVIC-W8500NEX

Pioneer DEH-80PRS
Pioneer DMH-1500NEX
Pioneer DMH-2600NEX
Pioneer DMH-2660NEX

Pioneer DMH-C5500NEX
Pioneer DMH-C2550NEX
Pioneer DMH-C2500NEX
Pioneer DMH-W4600NEX
Pioneer DMH-W4660NEX
Pioneer DMH-WC6600NEX
Pioneer DMH-WT7600NEX
Pioneer DMH-WT8600NEX

Pioneer MVH-AV251BT
Pioneer MVH-AV290BT
Pioneer MVH-1400NEX
Pioneer MVH-210EX
Pioneer MVH-211EX
Pioneer MVH-2400NEX
Pioneer MVH-300EX
Pioneer MVH-S310BT

Pioneer SPH-DA02 AppRadio
Pioneer SPH-DA01 AppRadio
Pioneer SPH-DA120 AppRadio 4
Pioneer SPH-DA210 AppRadio 3
Pioneer SPH-DA100 AppRadio 2
Pioneer SPH-10BT

and MANY more...

Are you installing a Single DIN Pioneer headunit or a headunit that does not have an LCD display screen? This adapter is compatible with these heaudnits but a modification to the harness is necessary. Click Here for compatibility and instructions.

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Scosche NN04B
Metra 70-7552


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