I guess it should be mentioned that the fan power is not routed through the switch, or at least shouldn't be. You are basically grounding 2 relays. Probably 600mA tops. Now 18 gauge is probably too small, I wouldn't use it. I am too lazy to look up the recommended current/length requirements.
I should also mention something about fuses. It does no good if you don't know what size to use. You should size it to 75% of where you want it to blow. So I would think 1A fuse should work. I am also betting you had a short circuit somewhere.
DEE
I should also mention something about fuses. It does no good if you don't know what size to use. You should size it to 75% of where you want it to blow. So I would think 1A fuse should work. I am also betting you had a short circuit somewhere.
DEE
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