Technically speaking, yes – it is generally advised to disconnect the
battery, however, since this is a power flush and not a manual flush, those
circuits won’t be activated. In order for any of those units to be affected
you would have to be flushing in a way that would include pressing the
brake pedal. I’ve been power flushing without disconnecting the battery for
years and I’ve never ran into any issues.
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Technically speaking, yes – it is generally advised to disconnect the
battery, however, since this is a power flush and not a manual flush, those
circuits won’t be activated. In order for any of those units to be affected
you would have to be flushing in a way that would include pressing the
brake pedal. I’ve been power flushing without disconnecting the battery for
years and I’ve never ran into any issues.
Do you need to disconnect the negative from the battery? for ABS VDC?