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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What I've always done is hook up the speaker, turn up the bass and every hit should move the cone of the speaker outward into the passenger compartment. You can hold your finger near the cone to feel which way it is moving. Hope that Helps or somebody has. Real answer.
