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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If they are original factory wires from Winnebago, they will be color coded and labeled with a number and letter. Go to the link I posted above and download the wiring diagrams. Winne has been very good at publishing information on all their RV's.
