3-speed, 4-wire pull-chain switch with terminals L, 1, 2, 3; The capacitor has component # E175257 and manufacturer logo: Both the old and new switches go through the sequence of terminal connections shown in the wiring diagram above (e.g. high speed connects terminals L & 1). Old scheme. [Diagram 3] 3-way switch wiring: power at light, light first [Download Pdf]. The disadvantage of this method is that in one of the four switch position combinations, both terminals of the light remain hot even though the bulb is not lit. The lack of a neutral wire to either of the two terminals makes this possible.
Learn how to wire a 3 Position Double-Pull Double-Throw DPDT On/Off/On Switch with this YouTube tutorial.. There's been a lot of battery charging issues lately and with some help from Bob M., I'm offering this schematic that includes the newer 3-position switch on the market. This replaces the original 4-position switch that was used with a cut-out. So if you are using a Voltage Regulator, this diagram will get you going. Thanks, Ken