Quote:
Originally Posted by Penthode
This is crazy. The battery charge current should be limited to no more than 10 amperes. At 12 volts, the current usage is one half for the same power. If double wattage headlamps are used, then the headlamp current at 12 volts will be the same as 6 volts.
You will never see 90 amperes through any of the wiring apart from the starter circuit which is heavy gauge wire. 90 amperes will never go through the ammeter: if you attempted to do so, the wiring will likely burn up before the meter!
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my speedster has an delco alt update and 12v system. after start up I see the needle over to 30 plus amp for a bit untll the battery catches up ive never added a shunt, might not be a bad idea