As I am converting a XJS convertible V12 1989 from RHD to LHD, could I use a 93 wiring harness in order to change the 89 harness ?

Thanks for all informations has I haven't found yet a 1989 harness.

 

im gonna go with no.
The 93 is when they changed. now idk to what degree though. Alot of the stuff inside is different. But I really don't know about the engine, is this a 6cyl or 12? I think at that point they still had the 5.3 but the computer may be different.

anyone?

technically you could just make up an connection for everything past the firewall and just extend it right??
tbh i really wish i had the money and time to waste because id love for my car to be RHD. I'd totally trade with you.

sorry for not having a definitive answer, those would be my concerns though.
Also, doesnt the 89 have a different ignition setup?