Some days ago I asked about the existence of ACC wire in 147 ISO plug. The answer was no because it is controlled by CAN BUS. So I decided to connect my CLARION 807e navigation unit directly to the battery (from the distributor I use for the amplifier) via a switch and a relay. The problem is that I have no idea what is the orientation of the relay contacts I have. The relay is a HELLA with 4 contacts. Can any friend help with the schematics I show below?
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