I have a KIA sepha 2000 I am hooking to a after market key that only has 4 post while there are 6. Wires. And two of then are power wires I got it put together but it won't turn off what do I do

SOURCE: Odyssey not starting

you probably had a bad earth or positive battery terminal

SOURCE: kia optima 2004 transmission selector wiring colour diagram

Try this website www.kiatechinfo.com

This will be far more usefull than me just handing you the diagram

SOURCE: Misfire on 4, 5 & 6

Take your time, if its been awhile do a complete tune-up. and preliminary check a misfire can come from a defective cap and rotor, fuel and air filter. a leak in the fuel system or defective regulator.

SOURCE: witch wires do i use to hook up an after market cd player

Here is the diagram in words as found at

http://www.modifiedlife.com/2001-mazda-millenia-car-stereo-wiring-diagram/

Car Radio Battery Constant 12v+ Wire: Red/Black
Car Radio Accessory Switched 12v+ Wire: Blue
Car Radio Ground Wire: Black
Car Radio Illumination Wire: Green/White
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: 5 1/4′
Car Audio Front Speakers Location: Doors
Left Front Speaker Positive Wire (+): Yellow
Left Front Speaker Negative Wire (-): Blue
Right Front Speaker Positive Wire (+): Pink
Right Front Speaker Negative Wire (-): Purple
Car Audio Rear Speakers Size: 6′ x 9′
Car Audio Rear Speakers Location: Rear Deck
Left Rear Speaker Positive Wire (+): Green
Left Rear Speaker Negative Wire (-): Yellow/Green
Right Rear Speaker Positive Wire (+): Green/Black
Right Rear Speaker Negative Wire (-): Green/Orange

SOURCE: how to change wires in kia sportage 2001

There are only two wires to replace because of the two coil packs that sit directly on the other two plugs.