Pin

Color

Function

 

 

 

1

blue/white

amplifier turn on (amplified models only)

2

white

left front speaker (+) (left front input (+)

 

 

amplified models)

3

white/black

left front speaker (-) (left front input (-)

 

 

amplified models)

4

green

left rear speaker (+) (left rear input (+)

 

 

amplified models)

5

green/black

left rear speaker (-) (left rear input (-)

 

 

amplified models)

6

brown/blue

steering wheel control A (up)

7

red

12 volt accessory

8orange/black illumination (-)

9

orange

illumination (+)

10black/yellow signal ground (amplified models)

11

gray

right front speaker (+) (right front input (+)

 

 

amplified models)

12

gray/black

right front speaker (-) (right front Input (-)

 

 

amplified models)

13

violet

right rear speaker (+) (right rear input(+)

 

 

amplified models)

14

violet/black

right rear speaker (-) (right rear input (-)

 

 

amplified models)

15

black/gray

steering wheel control C

 

 

(ground reference)

16brown/black steering wheel control B (down)

17open

18open

19

yellow

12 volt constant

20

black

ground (Subaru only)

Rev. 04/02/09

INST71-7552

Pin

Color

Function

 

 

 

1

blue/white

amplifier turn on (amplified models only)

2

white

left front speaker (+) (left front input (+)

 

 

amplified models)

3

white/black

left front speaker (-) (left front input (-)

 

 

amplified models)

4

green

left rear speaker (+) (left rear input (+)

 

 

amplified models)

5

green/black

left rear speaker (-) (left rear input (-)

 

 

amplified models)

6

brown/blue

steering wheel control A (up)

7

red

12 volt accessory

8orange/black illumination (-)

9

orange

illumination (+)

10black/yellow signal ground (amplified models)

11

gray

right front speaker (+) (right front input (+)

 

 

amplified models)

12

gray/black

right front speaker (-) (right front Input (-)

 

 

amplified models)

13

violet

right rear speaker (+) (right rear input(+)

 

 

amplified models)

14

violet/black

right rear speaker (-) (right rear input (-)

 

 

amplified models)

15

black/gray

steering wheel control C

 

 

(ground reference)

16brown/black steering wheel control B (down)

17open

18open

19

yellow

12 volt constant

20

black

ground (Subaru only)

Pin

Color

Function

 

 

 

1

blue/white

amplifier turn on (amplified models only)

2

white

left front speaker (+) (left front input (+)

 

 

amplified models)

3

white/black

left front speaker (-) (left front input (-)

 

 

amplified models)

4

green

left rear speaker (+) (left rear input (+)

 

 

amplified models)

5

green/black

left rear speaker (-) (left rear input (-)

 

 

amplified models)

6

brown/blue

steering wheel control A (up)

7

red

12 volt accessory

8orange/black illumination (-)

9

orange

illumination (+)

10black/yellow signal ground (amplified models)

11

gray

right front speaker (+) (right front input (+)

 

 

amplified models)

12

gray/black

right front speaker (-) (right front Input (-)

 

 

amplified models)

13

violet

right rear speaker (+) (right rear input(+)

 

 

amplified models)

14

violet/black

right rear speaker (-) (right rear input (-)

 

 

amplified models)

15

black/gray

steering wheel control C

 

 

(ground reference)

16brown/black steering wheel control B (down)

17open

18open

19

yellow

12 volt constant

20

black

ground (Subaru only)

Rev. 04/02/09

INST71-7552

Pin

Color

Function

 

 

 

1

blue/white

amplifier turn on (amplified models only)

2

white

left front speaker (+) (left front input (+)

 

 

amplified models)

3

white/black

left front speaker (-) (left front input (-)

 

 

amplified models)

4

green

left rear speaker (+) (left rear input (+)

 

 

amplified models)

5

green/black

left rear speaker (-) (left rear input (-)

 

 

amplified models)

6

brown/blue

steering wheel control A (up)

7

red

12 volt accessory

8orange/black illumination (-)

9

orange

illumination (+)

10black/yellow signal ground (amplified models)

11

gray

right front speaker (+) (right front input (+)

 

 

amplified models)

12

gray/black

right front speaker (-) (right front Input (-)

 

 

amplified models)

13

violet

right rear speaker (+) (right rear input(+)

 

 

amplified models)

14

violet/black

right rear speaker (-) (right rear input (-)

 

 

amplified models)

15

black/gray

steering wheel control C

 

 

(ground reference)

16brown/black steering wheel control B (down)

17open

18open

19

yellow

12 volt constant

20

black

ground (Subaru only)

Rev. 04/02/09

INST71-7552

Rev. 04/02/09

INST71-7552

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Metra Electronics 71-7552 manual Pin Color Function
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71-7552 specifications

Metra Electronics has long been a pioneer in automotive aftermarket solutions, and the 71-7552 harness is a testament to their innovation and commitment to quality. Specifically designed for select Ford vehicles, the 71-7552 harness seamlessly integrates aftermarket stereos with factory wiring, allowing for a hassle-free installation process.

One of the standout features of the 71-7552 is its plug-and-play design. This means that users can connect their new stereo system without the need for extensive rewiring or complicated modifications. The harness is equipped with pre-stripped wires that are color-coded for easy identification, facilitating a quick and accurate connection to the vehicle’s original harness. This user-friendly approach significantly reduces installation time, making it suitable for both professional installers and DIY enthusiasts.

Another noteworthy characteristic of the 71-7552 is its durability. Constructed with high-grade materials, the harness is built to withstand the rigors of daily use while ensuring a reliable connection. The quality wiring inside is designed to minimize signal loss and interference, ensuring that audio performance remains top-notch. This is essential for audiophiles who demand superior sound quality from their aftermarket systems.

The 71-7552 also supports a wide range of aftermarket stereo systems, making it a versatile choice for Ford vehicle owners looking to upgrade their audio experience. Its compatibility extends to numerous models, ensuring that a broad spectrum of Ford vehicles from different years can benefit from this harness. It is also tailored to maintain factory functions such as steering wheel controls, which is vital for retaining user convenience.

In addition to simplicity and durability, Metra Electronics has incorporated advanced wiring technologies into the 71-7552. These enhancements help to provide a clean and stable power supply to the connected audio system, further enhancing performance. The inclusion of high-efficiency connectors complements the overall design, ensuring that users experience minimal power loss, resulting in more dynamic sound output.

Overall, Metra Electronics' 71-7552 harness is an essential component for anyone looking to upgrade their Ford vehicle's audio system. Its blend of user-friendly installation, robust durability, and advanced technologies ensures that both sound quality and functionality are optimized. Whether for everyday commuting or long road trips, this harness offers a seamless transition to a superior audio experience.
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