The size of the speakers for the front door in a 2002 Mitsubishi Diamante is 6 x 3/4 inches. The back speakers are 6x9 inches.
5.25" see Crutchfield.com
5 1/4 per crutchfield.com =============================== My Diamante had factory 6.5"
This information is listed in your owner's manual.
the door is held in with plastic plugs. you need to gently pry the door away from the frame, once the door is lose you need to disconnect the power door locks, windows and etc. before you remove the door panel from the door. once the door is off you can easily see the speakers which can be unscrewed from the housing. Door has 3 Philips head screws on it. Remove them before prying the door panels off.
The rear deck speakers in a 2002 Mitsubishi Galant measure 6 inches by 9 inches. The front door speakers measure 6 3/4 inches.
I have 95 mitsu diamante 3.0 SOHC V6. It is hard to start when is cold. Sometimes after I shut it off and try to start it 30 minutes later. Once the car is running it works perfectly.
A door switch is broken or out of adjustment.
6 inch
No. The radio or amp would be fused, but not the speakers.
Each of the doors have 3 Philips head screws in them. 1 you can see clearly on the inside as you open the door 2 on the inside door handle and 3 inside the arm rest. Remove them and you can gently pry the internal panel off unclipping the pegs. Remove electric window and door light connections and you have full access to the speaker. Should be 6.5" in the front. Cheers.
cruthfield.com has all speakers stock speakers sizes for all cars -
Front door speakers are 5 1/4".