Are you aware of the fact that your factory radio is connected to the class 2 serial data communication network . You need a interface module to hook up to aftermarket radios . If you don't use this interface module your vehicle will not start an run an the warning chimes will not work .
The audible warnings alert the driver of a system concern or a critical vehicle condition. The radio generates the audible warnings through the left front speaker. The radio receives audible warning requests via the class 2 serial data line. If the radio receives multiple audible warning requests, the warning with the highest priority sounds first. The following lists the audible warning priority and the pulse rate:
The radio activates the fasten safety belt audible warning as requested by the body control module (BCM). The BCM sends a class 2 message to the radio indicating the chime frequency (slow rate) and duration (8 seconds). The fasten safety belt warning sounds and the fasten safety belt indicator illuminates when the following occurs:
• The ignition switch transitions to ON.
• The BCM detects that the driver's seat belt is not buckled (signal circuit is low). The IPC receives a class 2 message from the BCM indicating the driver's seat belt status.
If the seat belt is buckled when the ignition is turned on, the chime does not sound. If the seat belt is buckled while the chime is sounding, the chime stops. If the seat belt is unbuckled after the initial transition to ON, the chime does not sound.
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SOURCE: steering wheel audio controls wires
those controls will only work with your factory audio unit not aftermarket ( it has an interphase )
SOURCE: installing after market stereo
Dave,
You will need to go buy a wiring harness adapter from your local Walmart (usually cheapest there) or Local Electronics place (ie Best Buy). The wire harness that goes out from the radio goes into the Adapter and the adapter plugs into the car harnesses. Also these Adapters come with the wiring diagrams for your vehicle. They typically run 10 - 15 bucks depending on where you get them. Thanks for using FixYa!
Sincerely,
JC
SOURCE: I want to install a stereo in a 2001 grand am se but the wires were cut.
Here are the wires colors of the harness and what they do.
2001 Pontiac Grand Am Car Audio Wiring Diagram
Car Radio Battery Constant 12v+ Wire: Orange
Car Radio Accessory Switched 12v+ Wire: The radio harness does not provide a switched power source. Run a wire to the fusebox for switched power.
Car Radio Ground Wire: Black/White
Car Radio Illumination Wire: Gray
Car Stereo Dimmer Wire: Brown
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: Pink
Car Stereo Amplifier Location: Mounted behind trim in the left side of the trunk.
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
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: N/A
Car Audio Rear Speakers Location: N/A
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
SOURCE: aftermarket stereo wiring harness does not fit oem
Theres a standard amongst most stereos, so if these colors apply, then you will be right,
Red is Ignition power
orange is direct power
Black is earth
blue is for phone
White is for electric arial
then there will be four coloured wires with matching color trace wires, these are the speaker wires.
Hope this gets you going, good luck.
SOURCE: Im installing an aftermarket stereo in my 2002
This vehicle does not have a switched power suppy in the factory harness. The orange wire in the car harness is a constant 12 volts.
To resolve connect the 12 volt power supply from the head unit to a switched circut at the fuse block and this will resolve your problem.
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