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The Yellow wire in the wiper motor circuit is switched, tap it and just run an extra relay to supply large current switched 12 from the big wire you put on the alternator post
Do you remember what size fuse goes with that circuit and how much amperage would be a good idea to run through it? I was looking for a good source for my electric choke, fuel pump signal, and fan relay signal.
No, I don't remember. Thats why I suggested the relay thing, it shouls workout well and the only load added to the yellow wire is to operate the relay, very small load.
