How to find an electrical drain
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IMPORTANT | IMPORTANT | ||
| − | + | * The switch knob on the J38758 is marked "ON" and "OFF." When the switch knob is in the "ON" position, the circuit is closed and electrical current may pass through the switch. When the switch knob is in the "OFF" position, the circuit is open and electrical current may not pass through the switch. | |
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1. Remove the battery ground (negative) cable from the battery negative terminal. (Vehicles with dual batteries, isolate main battery by disconnecting negative battery cable from secondary battery while performing parasitic draw test). | 1. Remove the battery ground (negative) cable from the battery negative terminal. (Vehicles with dual batteries, isolate main battery by disconnecting negative battery cable from secondary battery while performing parasitic draw test). | ||
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