I actually started planning the wiring stage of the motor yesterday (the last question mark in "stage 1" of the build, at this point) and ran into a dilemma.
My FT is a JDM NON-EGR motor from a truck originally equipped with A/T.
There are 3 routes i see, and i don't particularly love any of them.
1) Ideally i would prefer to buy a brand new, 1HD-FT, LHD, MTM, NON-EGR harness. The problem is that i don't think they ever made them this way. I spent a couple of hours digging through parts diagrams, and i believe FT's only came without the factory EGR in RHD markets. There are significant differences between the EGR and non-EGR harnesses. LOTS of extra wires and connectors on EGR models, different connectors on dash side, and locations of some connectors on the engine side are different (the glow screen for example, which i intend to use in 100% factory config). The EGR harness is discontinued, but there are still a few kicking around in some warehouses in Japan which i can get. However if i need to trim down, re-pin and lengthen some wires on it, i might as well go with option #2
2) Use the existing RHD JDM non-EGR wiring harness (which is complete, uncut) and extend it for LHD truck (and trim the extra A/T wires)
3) Get a brand new 1HD-T harness for LHD, MTM. This would require less modifications to use on 1HD-FT than option #1. Mainly the glow plug/screen "conversion". But again, i dont want to spend a ton of money on a harness that is not correct just to hack it up.
At this point im leaning towards option #2
Steering wheel on the RIGHT (as in CORRECT) side is what will make this truck great, compared to all the HDJ81's that are flooding the local markets these days.