I have a 93 formula and a 95 trans am and I'm upgrading the sail panel speakers. I need to know positive and negative for the new speakers. Both cars have wires on both sides of the sail panel 6.5 speakers with blue and green wires. Thanks

 

I don't know/remember, but can't you just check what they went to on the old speakers?

 

That's the first thing I checked and I couldn't tell. There is no + or - anywhere, it says A and B. I figured replacing sail panel speakers is really common so it would be an easy answer.

 

Use a test light or if I remember right, all of the speaker wires are coded to color, ex. instead of black(-) red(+), brown(-) light green(+), dark green (-) orange(+)...

 

This should do it...

Firebird Coupe
E1 - DARK GREEN - right front speaker negative input
E2 - GRAY - left front speaker negative input
E3 - TAN - left front speaker positive input
E4 - DARK BLUE - right rear speaker positive input
E5 - LIGHT BLUE - right rear speaker negative input
E6 - YELLOW - left rear speaker negative input
E7 - BROWN - left rear speaker positive input
E8 - BLACK - ground
E9 - BLACK - ground
E10 - not used
E11 - ORANGE - fused input feed
E12 - ORANGE - fused input feed
E13 - WHITE - left rear subwoofer negative output
E14 - TAN - left rear subwoofer positive output
E15 - DARK BLUE - left front speaker midrange positive output
E16 - LIGHT BLUE - left front speaker midrange negative output
F1 - LIGHT GREEN - right front speaker positive input
F2 - TAN - right rear subwoofer negative output
F3 - RED - right rear subwoofer positive output
F4 - LIGHT BLUE w/BLACK - right rear subwoofer speaker negative output
F5 - DARK GREEN - right rear subwoofer speaker positive output
F6 - DARK GREEN - right front speaker midrange negative output
F7 - ORANGE - right front speaker midrange positive output
F8 - not used
F9 - not used
F10 - LIGHT GREEN w/BLACK - left rear subwoofer speaker negative output
F11 - DARK BLUE w/WHITE - left rear subwoofer speaker positive output
F12 - not used
F13 - GRAY - right rear midrange speaker negative output
F14 - WHITE - right rear midrange speaker positive output
F15 - RED - left rear midrange speaker positive output
F16 - PURPLE - left rear midrange speaker negative output

 

That is the Monsoon color code listing... 93 and 95 Firebirds didn't have Monsoon systems (it wasn't available until 97).

If this is a base audio system (4 speakers), the sail panels use brown (+) and yellow (-) on the left side and dark blue (+) and light blue (-) on the right side. Unfortunately, I don't have the schematic with me for the premium audio system (10 speakers). I can get it tonight if nobody else comes up with it before then.

 

It's blue and green on both sides of the sail panels. Im just going to guess that blue is + and green is -.