Next message: Andrew G. Anderson : "lv-ab: Corrosion"
This is one of the two reasons why car ignitions are designed so that
when you turn the key to the start position, the accessories are
disconnected and only the circuits necessary to actually start the car
are left with power. Since the computer must be running for the car to
start, it must be really forgiving of voltage variations and really well
shielded from the spikes. The other reason to disconnect unnecessary
loads of course is to devote the available battery power to the starter.
Dick
Lee Haefele wrote:
>
> There is a tremendous spike from the collapsing field from both starter
> motor and solenoid, when it is disconnected.
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