1.1) Open glove compartment, remove four screws.
1.2) Pull panel from dash releasing one clip.
2.1) Remove three screws from panel below steering column.
2.2) Drop top edge of panel.
3.1) Pull car stereo trim panel from dash releasing one clip.
4.1) Loosen two bolts from top of car stereo.
4.2) Slide car stereo from dash, disconnect antenna and connectors.
Car Stereo Repair - Do It Yourself for No Display
Pontiac Grand Am
NO DISPLAY
Car stereo repair, DIY.
Pontiac Grand Am Aftermarket Car Stereo Install
Factory Wire Color Codes
See Diagram Below
Aftermarket Wire Color Codes
See Diagrams Below
Speaker Phasing
Installing Aftermarket Speakers and Proper Hook-up
Speaker Phasing
Font Left
Front Right
+ Tan
+ Light green
- Gray
- Dark green
Rear Left
Rear Right
+ Brown
+ Dark blue
- Yellow
- Light blue
NO AUDIO
With aftermarket stereo installation?
Erratic Volume Control
DIY Repair
Pontiac Grand Am Front Speaker Removal and Install
Pontiac Grand Am
How to Remove and Replace Front Speakers
1.1) Remove three screws along bottom of door
panel.
2.1) Remove one screw from along back edge of
door panel.
3.1) Remove one screw from door lock slide
cavity.
4.1) Release door lock plastic clip from
slide mechanism.
5.1) Remove insert panel over door handle.
6.1) Remove one exposed screw.
7.1) Remove one screw under arm rest.
8.1) Remove two screws from rectangular panel
and remove.
9.1) Release all clips by prying along side
edges of door panel.
9.2) Lift door panel up out of window jam releasing three clips.
9.3) Remove screws securing car speaker to door panel.
Pontiac Grand Am Rear Deck Speaker Removal and Install
Pontiac Grand Am
How to Remove and Replace Rear Speakers
1.1) Remove two bolts located at bottom edge
of bottom seat cushion, each at center or both passenger positions.
2.1) Pull bottom seat cushion forward, feed
seat belts through cushion.
2.2) Remove cushion.
2.3) Remove two torx bolts (#50) from center seat belts.
3.1) Lift rear seat back straight up
releasing three hooks and remove.
4.1) Remove two screws along side door jam
panel.
4.2) Lift door jam panel away from side of car.
5.1) With above panel loose, remove next side
panel by releasing clips.
6.1) With one side panels loose and removed,
pull rear deck panel forward, releasing from under opposite side.
6.2) Feed seat belts through panel and remove.
7.1) Remove screws securing speakers to
rear deck.
Pontiac Grand Am Wire Diagrams and Wire Color Codes
Aftermarket stereo installation?
Why purchase the aftermarket wire harness? Installation is easier, no guess work with wire color codes and a Headache Saver!Factory wire colors codes are not universal. See Aftermarket Videos above.
We discourage cutting the factory wire harness.
This section aids in troubleshooting and determining wire color codes, phasing for speaker hook up, locating power wires for installing external devices and add-ons.
Diagrams may not be applicable to Bose Audio Systems
1978 - 1992
IMPORTANT - There are two (2) yellow*, two (2) gray and two (2)
brown wires in this harness. Locate the +12 volt constant wire first.
Label it or splice to constant wire on aftermarket stereo first. Swapping
yellow wires will cause damage to any aftermarket stereo. Check fuses if your unable to find +12 volts.
1
Black
Ground
2
Gray
Dimmer
3
or Blank
Antenna/Amplifier
Trigger On
4
Yellow
Switched +12 volts
5
Light Green
Right Front Speaker (+)
6
Tan
Left Front Speaker (+)
7
Gray
Left Front Speaker (-)
8
Dark Green
Right Front Speaker (-)
9
Brown
Left Rear Speaker (+)
10
Dark Blue
Right Rear Speaker (+)
11
Light Blue
Right Rear Speaker (-)
12
Yellow
Left Rear Speaker (-)
Factory Wire Harness
On
Factory Car Stereo
13
Orange
Orange
Constant +12 Volts
14
Brown
Brown
Illumination
Corvette Only with Second One Wire
Black Connector
15
Pink
Bose Amplifier Trigger
On
1988 - 2005
IMPORTANT - There are two (2) yellow*, two (2) gray and two (2)
brown wires in this harness. Locate the +12 volt constant wire first.
Label it or splice to constant wire on aftermarket stereo first. Swapping
yellow wires will cause damage to any aftermarket stereo. Check fuses if your unable to find +12 volts.
1
Gray
Left Front Speaker (-)
2
Tan
Left Front Speaker (+)
3
Dark Green
Right Front Speaker (-)
4
Light Green
Right Front Speaker (+)
5
Black
Ground
6
Brown
Illumination
7
Gray
Dimmer
8
Blank
9
Yellow* (Green)
Switched +12 volts
10
Orange
Constant +12 volts
11
Light Blue
Right Rear Speaker (-)
12
Dark Blue
Right Rear Speaker (+)
13
Yellow
Left Rear Speaker (-)
14
Brown
Left Rear Speaker (+)
All wire diagrams and color codes are not 100% accurate.