[DeTomaso] Electrical questions--HELP!
SOBill at aol.com
SOBill at aol.com
Mon Apr 30 01:48:59 EDT 2007
Think of it like this:
All of the vehicle loads are connected directly to the alternator.
The alternator is connected to the battery thru the ammeter.
All the current flowing from the alternator thru the ammeter, when the
ammeter reads plus, goes into the battery.
A new load, like a fan, is connected from the battery positive terminal to
the chassis.
When the alternator output voltage is greater than the battery voltage the
alternator charges the battery AND supplies current to the new load. This
current flows from the alternator thru the ammeter in the plus direction. The
ammeter reads the charging current into the battery plus the current into the
new load.
Conversely, when the alternator current is less than the battery voltage,
the ammeter does not indicate that current is flowing from the battery into the
new load, which is connected directly to the battery, because the current
into the new load comes directly from the battery and does not flow thru the
ammeter.
All vehicle loads should be connected to the alternator side of the ammeter.
When connected this way, the alternator will supply all the load current
independent of the ammeter and the ammeter solely indicates current flowing into
or out of the battery.
SOBill Taylor
sobill at aol.com
************************************** See what's free at http://www.aol.com.
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