1st you need to use the 1jz tach
2nd
every thing on the small body conector jumper mates up except if you optionally add
oil monitor(oil level warning) light/ecu
oil low pressure switch because it goes to a light on the jza70
on the ma70 it uses a pressure gauge instead from a sender except on turbo gauge displays.
egt light hot cat warning light
as far as boost gauge use an aftermarket one like defi racer blue! reads higher then ~11 psi or that cheesy mmhg reading.