Wiring / Relay Question

The two relays on my electramate have burnt out, ive ordered replacement relays/wires/connectors etc and stripped out the old burnt ones, ive labelled the wires up but have one question.

the relays ive removed are the onrom ones and they will be replaced by repols.

There are two red wires that come out of a hole on the mounting board. these previously went to the two terminals on the bottom of the onrom relays 2313 and 13 were the numbers of the terminals.

when i replace the onroms with the repols i need to know which terminal 2313 goees to , ie number 2 or number 4 on the right hand relay ????

ive got a wiring diagram but it doesnt give me any info as to how to switch these two red wires from onrom to repol relays. they go to the heater bottle so im not sure it matters but i need to check.

many many thanks if you can help !

p.s i tried to get gledhill repsonse to help but they were to busy to come out to me, even for 300 quid !