DiodesWe’ve got a small selection of diodes for your projects. A diode is a one-way valve that allows current to flow in one direction only. They can also be used across the coil of a relay to shunt dangerous voltage spikes to ground when power to the coil is removed.

For a complete primer on diodes and the many uses for them, you may also choose to pick up a copy of Automotive Wiring and Electrical Systems.

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