http://www.crutchfield.com/App/Product/Item/Main.aspx?g=520&i=1366W3V34&tp=111
I know I'll have to build up with MDF, but you think I can get these to fit and then get my Door Panel Back on??
2007 Speed3 GT Bose
Interesting that you ask this. I posted this a while back.
The wiring harness is obviously for Bose systems.
For those who don't know yet, the Bose amp is under the driver's seat. The Bose sub is that plastic box under the passenger seat.
If you have any fiberglassing skills, don't mind fighting speaker wires through to the doors and want to keep the car as light as possible, here is my suggestion. Obviously I'm leaving out a lot of details, but this should give you the idea.
1) If you want to keep the factory head unit, you need to tap into the wiring harness under the driver's seat. Plan on investing in a high quality ground loop isolator.
2) Run new, proper power and ground wires for any replacement amp(s).
3) Run four conductor wire to the front doors.
4) Run 2 conductor wires to the back doors.
5) Purchase a set of whatever your favorite brand of separates is for the front doors.
6) Go to Mazda and order (less than $20.00) a pair of blank sail panels from a Mazda3 with the 4 speaker system. Install the tweeters on those.
7) Mount the mid-bass drivers in the stock speaker locations.
8) Remove the rear door panels. Remove and discard the mount that the speakers are on.
9) Cut out the cupholder insert from the back door panels.
10) Cover the hole you created when removing the cup holders with another sheet of fiberglass.
11) Reinforce the speaker grill area with a piece of MDF and cover the inside of the bottom portion of the door panel with fiberglass cloth and resin. Fit a fiberglass panel to the back of this area and seal it, effectively turning the bottom third of the door panel into a sealed speaker cabinet.
12) Mount a 6 inch JLAudio subwoofer in each of your new rear door subwoofer enclosures.
13) Wrap the entire bottom portion of the door in acoustically transparent cloth to hide the subs and the ugly fiberglass.
Harness under driver's seat
Read numbers from pin side of vehicle connector.
FUNCTION PIN WIRE COLOR
Left Rear Door Spkr + 5 WT/VT
Left Rear Door Spkr - 6 GY/WT
Right Rear Door Spkr + 7 WT (WT/VT at speaker)
Right Rear Door Spkr - 8 GY (GY/WT at speaker)
Left Front Door Spkrs + 9 WT/BK (WT at speakers)
Left Front Door Spkrs - 10 GY/BK (GY at speakers)
Right Front Door Spkrs + 11 WT/RD (WT at speakers)
Right Front Door Spkrs - 12 GY/RD (GY at speakers)
Right Rear - Input 15 WT/BU
Right Rear + Input 16 YW/GN
Left Rear - Input 17 YW/BU
Left Rear + Input 18 BN/BU
Right Front - Input 19 GN
Right Front + Input 20 RD
Left Front - Input 21 L.GN
Left Front + Input 22 VT
Amp Remote 23 BU
Constant 12 Volt 25 RD
Subwoofer Spkr - 26 GY/WT
Chassis Ground 29 BK
Subwoofer Spkr + 30 WT/BU
The front door tweeters are wired in parallel with the front woofers