A diode is a device designed to allow electron flow in one direction only.
• When installing an alarm or remote start, diodes may be required to complete the installation. Diodes are primarily used to isolate independent circuits from each other. Diodes will not be required on every installation, but it is still a good idea to have a pack of 6-amp diodes on hand just in case.
A diode has two terminals called the anode and cathode. The silver band of the
diode indicates the cathode side of the diode. Negative current flows through the
cathode and out the anode but will not flow in the opposite direction. Also, positive current flows through the anode side and out the cathode side.
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