Test Setup

Test Setup

Here's the test setup. A three-way cigarette lighter splitter is plugged into the truck accessory port with the engine off (12V battery power only). The oscilloscope is connected to the power cable that would normally run my Meade mount. The cigarette lighter is used to simulate the load of a dew heater, and the oscilloscope is configured to trigger on any voltage rising above about 16 volts.

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