Who knows how to check speaker wire polarity?
Ladies and gents, I'm in the middle of changing out TVs, both front and rear on our '04 Itasca Horizon 36GD with the C-7 330HP CAT. Now, a small amount of history here. Winne and Itasca, in that era...
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It would help if people would actually read all of the first post. The OP is connecting speakers to his dash radio, not his Home Theater. Also the wire he used to extend the wires has no markings.
