Leaderboard

Congrats!That would be a great thread, and I can almost see ISX drooling over the opportunity!Just a few quick answers (some take longer)1) Your frame is tied directly to the neg side of the battery, so the whole frame/body/etc is "grounded" just the way the system works. In a DC (Direct Current, like in auto's) the electricity must flow back to the source, so when your reverse lights come on the power leaves the battery (or alternator) and goes thru the switch down the wire to the light, then thru the light into the neg wire, to the frame and back to the battery thru common grounds. 2) With a multi-meter, wiring diagram, or screwdriver style electrical test light. 3).. Those manuals are long! I have been using once since I was a kid and am still learning!4) They make adapters for multi-meters that put a pinhole in the wire to test voltage, small enough for voltage to flow, but not big enough for water. 5) Same for resistance. 6) You will hear feedback in the stereo, otherwise no clue :shrug:7) Fuses work off the fact that electricity makes heat, so the fuse melts and the circuit becomes incomplete it if flows too much electricity and gets too hot.