Audio wiring diagram - 1993 Acura Legend

GM is just and AMP (lifier)
Pioneers web site , does not support it, is it OLD?
yes it is old, 4 channel AMP:
35watts x4
4 to 8 ohms only speakers, x4
the rear has custom power jack connnector
is the pig tail for that lost?
it is older than 2010 for sure, reading blogs etc.
found old sales ad. 1995, so is old old old amp.
before digital books so super super hard to search.
12 pin connector one guy said

"found out the 12 pin plug here's how it is
top AL+ AR+ NC BIN BR+ BL+
BOTTOM AL- AR- GND ACC BR- BR-"
R= right
L=LEFT
my wild guess is gnd is ground abd ACC is 12vdc accessory power

lost this part?

conn + pig tail? the big red is 12v and next to it is ground

Orange is Battery Power

2002 Silverado 1500 Stereo Wiring Diagram - The12Volt

https://www.the12volt.com > installbay > forum_posts
Jan 13, 2010 · 3 posts · 3 authors
2002 Silverado 1500 Stereo Wiring Diagram - I'm trying to help a buddy install a Clarion HU in his '02 Silverado. Stock stereo is a CD ...

https://www.google.com/search?q=2002+chevy+1500+radio+wiring+diagram

..

Chevrolet S10 Pickup Truck Car Stereo Wiring Diagram

Car Radio Battery Constant 12v+ Wire: Orange
Car Radio Accessory Switched 12v+ Wire: Yellow
Car Radio Ground Wire: Black
Car Radio Illumination Wire: Gray
Car Stereo Dimmer Wire: Brown
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: 4? x 6?
Car Audio Front Speakers Location: Dash
Left Front Speaker Positive Wire (+): Tan
Left Front Speaker Negative Wire (-): Gray
Right Front Speaker Positive Wire (+): Light Green
Right Front Speaker Negative Wire (-): Dark Green
Car Audio Rear Speakers Size: 4? x 10?
Car Audio Rear Speakers Location: Rear Corners
Left Rear Speaker Positive Wire (+): Brown
Left Rear Speaker Negative Wire (-): Yellow
Right Rear Speaker Positive Wire (+): Dark Blue
Right Rear Speaker Negative Wire (-): Light Blue

and also

Stereo Wiring Diagram for 2000 Chevy S-10 - The12Volt

https://www.the12volt.com > installbay > forum_posts
Jul 3, 2005 - I'm hooking a few things up to my friend's S10, and we need a wiring diagram that shows what wire colors are what wire.
8 posts · try this..... http://www.installdr.com/InstallDocs/GM/PDF/460001.pdf. The Saint. Pioneer

..

2014 Dodge Avenger Car Audio Wiring Diagram
Car Radio Battery Constant 12V+ Wire: Red/Brown
Car Radio Accessory Switched 12V+ Wire: N/A
Car Radio Ground Wire: Black
C

Car Radio Antenna Trigger Wire: Gray/Orange
Car Audio Front Tweeter Size: 2-1/2? Tweeters
Car Audio Front Tweeter Depth: 5?

Car Audio Front Speakers Size: 6? x 9? Speakers
Car Audio Front Speakers Depth: 4?
Left Rear Speaker Positive Wire (+): Dark Green/Tan
Left Rear Speaker Negative Wire (-): Dark Green/Gray
Right Rear Speaker Positive Wire (+): Dark Green/Brown
Right Rear Speaker Negative Wire (-): Yellow/Gray
Car Audio Rear Speakers Size: 6? x 9? Speakers
Car Audio Rear Speakers Depth: 4?

OLDSMOBILE ALERO 2000 speakers - Sonic Electronix

www.sonicelectronix.com/oldsmobile-alero-2000-car-speakers.html

OLDSMOBILE ALERO 2000 speakers - find speakers that fit your ... sound. This size is capable of delivering exceptional mid-bass that can't be found in smaller ...

2001 Oldsmobile Alero Car Radio Stereo Audio Wiring ...

www.modifiedlife.com/2001-oldsmobile-alero-car-radio-stereo-audio-wi...

Easy Plug and Play Wiring Adapter. ... 2001 Oldsmobile Alero Car Radio Stereo Audio Wiring Diagram ... If you can't find your car audio wire diagram, car stereo wire diagram or car radio ... Right Rear Speaker Positive Wire (+): Dark Blue ... olds alero and I have replace the stock stereo and have found that the sound out put ...

Request a Oldsmobile Car Radio Stereo Wiring Diagram

Will the color code do, or do you need the actual wiring diagram?
1997 Dodge Caravan Car Radio Stereo Audio Wiring Diagram
Car Radio Constant 12v+ Wire: Pink
Car Radio Switched 12v+ Wire: Red/White
Car Radio Ground Wire: Chassis
Car Radio Illumination Wire: Black/Yellow
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): Green
Left Front Speaker Negative Wire (-): Brown/Red
Right Front Speaker Positive Wire (+): Violet
Right Front Speaker Negative Wire (-): Blue/Red
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Brown/Yellow
Left Rear Speaker Negative Wire (-): Brown/Light Blue
Right Rear Speaker Positive Wire (+): Blue/Orange
Right Rear Speaker Negative Wire (-): Blue/White

On this website, you wiring diagram - audio for Volvo 960 (1992) - maybe it helps you

Volvo 960 1992 1994 wiring diagrams audio

HERE IT IS. PLEASE RATE ME.
2004 Ford Taurus Car Radio Stereo Wiring Diagram
Car Radio Battery Constant 12v+ Wire: Green/Black
Car Radio Accessory Switched 12v+ Wire: Black/Pink
Car Radio Ground Wire: Black/Green
Car Radio Illumination Wire: N/A
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): Orange/Green
Left Front Speaker Negative Wire (-): Blue/White
Right Front Speaker Positive Wire (+): Tan/Green
Right Front Speaker Negative Wire (-): Green/Orange
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Gray/Blue
Left Rear Speaker Negative Wire (-): Brown/Yellow
Right Rear Speaker Positive Wire (+): Black/Violet
Right Rear Speaker Negative Wire (-): Orange/Violet
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Nissan Xterra Car Audio Wiring Diagram Car Radio Battery Constant 12v+ Wire: Pink
Car Radio Accessory Switched 12v+ Wire: Blue
Car Radio Ground Wire: Gray
Car Radio Illumination Wire: Red/Blue
Car Stereo Dimmer Wire: Red/Yellow
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: 6 1/2′
Car Audio Front Speakers Location: Doors
Left Front Speaker Positive Wire (+): Pink
Left Front Speaker Negative Wire (-): Blue
Right Front Speaker Positive Wire (+): White
Right Front Speaker Negative Wire (-): Black
Car Audio Rear Speakers Size: 6′ x 9′
Car Audio Rear Speakers Location: Side Panels
Left Rear Speaker Positive Wire (+): Light Green
Left Rear Speaker Negative Wire (-): Purple
Right Rear Speaker Positive Wire (+): Blue
Right Rear Speaker Negative Wire (-): Pink

Hope this helps!
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google!! i found it!