Hi Jason,
I came across a VSC delete thread you posted in back in 2012 & thought I'd contact you because it contained information relevant to an issue I'm having getting Cruise Control to work on a RHD Manual swapped car.
I recently completed an R154 swap using Brandon Currans original 2011 thread as a guide > Auto to Manual Swap, Wiring, Ecu, CC, NSS, CLSW, Trac, Snow, now smogged in CA! - Lexus IS Forum
I've been touching base with Brandon through the swap & he's been a fantastic help but we're a bit stymied with the CC because the wiring is obviously different on RHD cars & we can't source RHD wiring diagrams anywhere so don't have a clue on the RHD equivalent of the LHD 1A/Pin 4 terminal you splice the wire from CC Clutch switch into.
I would really appreciate any information you can give me regarding the equivalent RHD terminal to 1A/Pin 4