Well i from a Beatiful Stock CD player on Ebay for $100.00 he used it for 1 month then bought after market,
well it works Beatifull its manufacture date is 09/2002
i wanted stock for a couple of reason (1) who wants to steal a stock stereo.
(2) steering wheel controls.
(3) I love the RED lights.
it has the same plug that hooks up to mine but on the other side it has another plug?
my sock castte has no plug but black tape over it i gusse so dirt won't get in.
i have the fix antenna but bought a power antenna and dose anybody know what the other side plug is for?
maybe it for the power antenna?
any help would appricated. :-)
Full Version: From Casette to CD player
I would plug it up and see if everything works. Whatever does not work then thats probably what that extra plug is for. It may be laying around in the dash to.
everything works great.
it pluged into it same as the one i took out.
just there os another plug on the stereo i bought that i don't know what its for?
it pluged into it same as the one i took out.
just there os another plug on the stereo i bought that i don't know what its for?
That plug is probably for the remote CD changer that would go in the hatch area. 
SassySue is right. It's for the cd changer. I found this on LS1TECH:
Frequently Asked Questions
Submitted by whitebird00
There are three connectors on the back of the radio. The two 10-pin connectors are clipped together and plugged into the same socket on the back of the radio so that they look like a single 20-pin connector.
C1 is the black 10-pin connector and the pins are number 1-10. C2 is the black 9-pin connector for the CD changer and the pins are numbered 7-15. C3 is the gray (or white) 10-pin connector and the pins are numbered 11-20. All these connectors are numbered from right to left when looking at the connector with the locking tabs on top and the wires coming out the back.
C1 - Black 10-pin connector
1 - GRAY - left front speaker negative
2 - TAN - left front speaker positive
3 - DARK GREEN - right front speaker positive
4 - LIGHT GREEN - right front speaker negative
5 - BLACK - ground
6 - BROWN - parking light input (lets the radio know when headlights are on so it will dim the display)
7 - GRAY - dash light dimmer input (controls brightness of radio control illumination)
8 - PINK - (Firebird) power antenna output
9 - YELLOW - ignition controlled power
10 - ORANGE - battery power (for radio memory)
C3 - Gray (or white) 10-pin connector
11 - GRAY - (Convertible) amplifier sensor
12 - not used
13 - not used
14 - DARK BLUE - steering wheel controls input
15 - not used
16 - DARK GREEN w/WHITE - (Camaro) vehicle speed sensor input for automatic volume
17 - LIGHT BLUE - right rear speaker negative
18 - DARK BLUE - right rear speaker positive
19 - YELLOW - left rear speaker negative
20 - BROWN - left rear speaker positive
C2 - Black 9-pin connector for CD changer
7 - not used
8 - not used
9 - Bare - drain wire
10 - DARK GREEN w/WHITE - right audio signal
11 - BROWN w/WHITE - left audio signal
12 - BLACK w/WHITE - audio return
13 - BLACK - ground
14 - DARK GREEN - power
15 - not used
Link Here
I'm on vacation and my Formula is in the shop getting the fender replaced,
(it was cracked when I got it and the dealer's paying for it) so I've got PLENTY of time on my hands to do some research and LEARNIN'!! 
1stbird
2001 Firebird Formula
LS1
6 Speed (M6)
Ram Air Hood (Dealer Installed)
Ram Air Box (Dealer Installed)
K&N Air Filter
CAGS Eliminator
DRL Disable
Black on Black
No T-Tops
GM Factory Bra
Pilot Motorsports Shiftknob
Pilot Motorsports Pedal Covers
Frequently Asked Questions
Submitted by whitebird00
There are three connectors on the back of the radio. The two 10-pin connectors are clipped together and plugged into the same socket on the back of the radio so that they look like a single 20-pin connector.
C1 is the black 10-pin connector and the pins are number 1-10. C2 is the black 9-pin connector for the CD changer and the pins are numbered 7-15. C3 is the gray (or white) 10-pin connector and the pins are numbered 11-20. All these connectors are numbered from right to left when looking at the connector with the locking tabs on top and the wires coming out the back.
C1 - Black 10-pin connector
1 - GRAY - left front speaker negative
2 - TAN - left front speaker positive
3 - DARK GREEN - right front speaker positive
4 - LIGHT GREEN - right front speaker negative
5 - BLACK - ground
6 - BROWN - parking light input (lets the radio know when headlights are on so it will dim the display)
7 - GRAY - dash light dimmer input (controls brightness of radio control illumination)
8 - PINK - (Firebird) power antenna output
9 - YELLOW - ignition controlled power
10 - ORANGE - battery power (for radio memory)
C3 - Gray (or white) 10-pin connector
11 - GRAY - (Convertible) amplifier sensor
12 - not used
13 - not used
14 - DARK BLUE - steering wheel controls input
15 - not used
16 - DARK GREEN w/WHITE - (Camaro) vehicle speed sensor input for automatic volume
17 - LIGHT BLUE - right rear speaker negative
18 - DARK BLUE - right rear speaker positive
19 - YELLOW - left rear speaker negative
20 - BROWN - left rear speaker positive
C2 - Black 9-pin connector for CD changer
7 - not used
8 - not used
9 - Bare - drain wire
10 - DARK GREEN w/WHITE - right audio signal
11 - BROWN w/WHITE - left audio signal
12 - BLACK w/WHITE - audio return
13 - BLACK - ground
14 - DARK GREEN - power
15 - not used
Link Here
I'm on vacation and my Formula is in the shop getting the fender replaced,
(it was cracked when I got it and the dealer's paying for it) so I've got PLENTY of time on my hands to do some research and LEARNIN'!! 1stbird
2001 Firebird Formula
LS1
6 Speed (M6)
Ram Air Hood (Dealer Installed)
Ram Air Box (Dealer Installed)
K&N Air Filter
CAGS Eliminator
DRL Disable
Black on Black
No T-Tops
GM Factory Bra
Pilot Motorsports Shiftknob
Pilot Motorsports Pedal Covers
This is a "lo-fi" version of our main content. To view the full version with more information, formatting and images, please click here.