A wiring diagram for a 1998 Mitsubishi Diamante can be found in its maintenance and repair manuals. The manuals can be bought at any local auto part store.
Depends on what year you are talking about here. Most of the transmission problems with Mitsubishi's are the end clutches and valve bodies. I would recommend if you don't know what these are to take it to a transmission shop.
$7,000
go to a reputable repair facility unles you have indebth knowledge.
NOT SURE WHAT YOU WANT HERE. IF YOU NEED A "COST"-SEE A "GoOD" MECHANIC. HE WILL GIVE YOU THE TIME, THE COST/HR. AND A CLOSE "BALLPARK" CHARGE FOR THE REPAIR YOU ARE REQUIRING. YOU CAN FIGURE THAT ANY PARTS WILL BE RETAIL TO YOU AND 20-25% OFF "WHOLESALE" TO HIM.
Average cost is $4,000 to overhaul the 722.5 transmission in the sl320.
$2,500 to $3,000.
$2612.34
$2100 - $2400
Transmission costs can vary. There are several good websites that can help you make sure you do not overpay. This one is very informative. www.ask.com/questions-about/Transmission-Repair-Cost
$200-$2000
1000 to 2500 dollars.