Hi Costellon. The location of the relay for the front wiper is behind the drivers footwell side panel (RHD). There are two horizontal rows of relays, the wiper one is on the lower row and may be coloured green. Pt No. is YWB10032L.
Sorry can't help with the terminals but 4 maybe.

Let us know where are and welcome to the Forum.

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1997 Discovery ES V8 auto.
Previously for 10 years: 1987 Range Rover Vogue Efi auto.