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Message: [QUOTE="TERRCO, post: 546275, member: 457"] "Scratching my head here" . Lets see if I can explain this. Positive is always seeking a ground. Ok? When something is using power it is in a sense making a loop between the positive and negative. Now depending how much power the device needs is how much current it will try and draw through a wire. Circuits have fuses to keep from too much current being drawn through the particular wire size and causing a fire. If the reverse light circuit was not strong enough to carry the load of the extra lights along with the reverse lights then you would pop a fuse which you said you have done this mod. You see you are running power in different directions at different times with no problems. The fact that the diode is there does not do anything other than keeping the reverse lights from coming on when you hit the switch. Power has run in both directions. Make sense? [/QUOTE]

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