No. when there is no current flow (everything on the far end turned off) there is no voltage drop. Putting a good meter on the 2 conductors, would show the same voltage as found on the supply to the cable. If you load the circuit with a 1200 watt heater, or an electric motor, you would see the reduced voltage from the resistance in the wire. Here is an example: If a gasoline engine tractor with 12v system and a ballast resistor to modify the voltage to the ignition circuit is checked for voltage (key on, points open) the voltage will show 12.6 volts every where in the circuit. No load no drop. If you used a headlight to check if there was voltage, it would be dim because it would load the circuit. Jim
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Today's Featured Article - Tuning-Up Your Tractor: Plugs & Compression Testing - by Curtis Von Fange. The engine seems to run rough. In the exhaust you can hear an occasion 'poofing' sound like somethings not firing on all cylinders. Under loaded conditions the tractor seems to lack power and it belches black smoke out of the exhaust. For some reason it just doesn't want to start up without cranking and cranking the starter. All these conditions can be signals that your unit is in need of a tune up. Ok, so what is involved in a tune up? You say, swap plugs and file the points....now tha
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