TOYOTA ELECTRICAL WIRING DIAGRAM - Autoshop 101 PDF fileUNDERSTANDING TOYOTA WIRING DIAGRAMS WORKSHEET #1 1. Describe the meaning of the "C13" in the diagram component Q. 2. Describe the meaning of the "G-W" in diagram component R. 3. Describe the meaning of the "2" in diagram component S. 4. Describe the meaning of the "S/D" in diagram component T. 5. Describe and identify the diagram component U. 6. NewHilux • View topic - Spotlight wiring. Re: Spotlight wiring. by BillyGoatCountry on Mon, 22 Sep 2014 1:14 +0000 I have wired up the light bar on my 2008 Lux as per this diagram to be operable with high beam and everything works as it should , however the push button switch on the steering column stays illuminated even when the keys are out of the ignition and lights turned off.