You don't need to cut the wires at all, I just got mine installed in 5 minutes with the adapter speaker plug, you can get them from Amazon or eBay for 16 bucks. You save a lot of time and you don't mess up the wire system of your car with the black tape and stuff.
you have to remove the door panel
The door speakers are 5.25 inches but you have to purchase an insert in order to replace the door speakers.
Remove door panels.. Unscrew old speakers..Screw in new speakers..replace door panels...ready 2 GO..
The 2000 Acura Integra dashboard speakers measure 3.5 inches in diameter. The front door speakers measure 5.5 inches in diameter. The rear speakers measure 7.5 inches in diameter.
Remove the door panels and replace the speakers. They sit in baskets and are simple to replace. We have instructions at our enthusiasts forum. www.trailvoy.com
6x8
To replace the front speakers in a Toyota Sienna the door panels must first be removed. With the door panels removed the speakers will be easily accessible and the mounting screws can be loosen. Unplug the speakers and remove them. Install the new speakers.
remove the door panels
The front door speakers are very easy to replace... The Grill covering the speakers just pops out: Open the door. pull out on the grill from the hinge side of door toward the latch side of the door. Then remove three torque screws. and disconnect the wiring harness. The front door speakers are 2-ohm, bass-channel. Most off-the-shelf speakers are either 4-ohm or 8-ohm multi-way speakers.
take out the old speakers and put in the new ones.
unscrew speakers cut of connector connect wires to speakers screw speakers in replace cover done
Pull the inside door panels off and you will see there bolted in the door.