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Head unit wiring "Pop on ignition key removal"

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  • Head unit wiring "Pop on ignition key removal"

    Hi Guys,

    I have just bought a new stereo for my car and wired it up as per normal.

    However when all wired up with the keys out of the ignition, i noticed a faint "clicking" coming from the speakers.

    Thinking it was a problem with the live and ignitions wires being mixed up i swapped them over.

    This stopped the "click" but now the unit has to be turned on manually and the unit will let of a large "pop" out of the speakers / sub when turning off. It also loses all memory when doing so.

    I think the unit should be wired up the original way but i am worried about the constant "clicking" will flaten the battery!!?

    Any help would be greatly appreciated!