Xterra 2WD V6-3.3L SC (VG33ER) (2003)
Speaker: Testing and Inspection
1. Disconnect speaker harness connector.
2. Measure the resistance between speaker terminals + and -.
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The resistance should be 2 - 4 (Ohm).
3. Using jumper wires, momentarily connect a 9 V battery between speaker terminals + and -.
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A momentary hum or pop should be heard.