2001 250 efi

need part numbers and harnesses to use seperate , water temp , volt , and trim guages , not sure on the ones to get , there was another post here for the guages , but I do believe the harness is different, . also if possible a wiring diagram

[boats.net]

You didn't mention what gauges you have in boat or if they are Yamaha. Here is alist parts needed:
Gauge and Harness list