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Author Topic: alternator is magnetic  (Read 3416 times)

markcle

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alternator is magnetic
« on: May 28, 2010, 11:14:14 PM »
my battery keeps dying and voltage w/wo engine running is same: 12.5v across battery leads. this makes me think alt is the problem BUT a screwdriver is pulled magnetically to back of alt when running so this means alt is generating electricity-no?Or does it mean no ac/dc conversion? car is 1994 saturn sw2 (no airconditioner) THANKS

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alternator is magnetic
« on: May 28, 2010, 11:14:14 PM »

drew

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Re: alternator is magnetic
« Reply #1 on: August 11, 2010, 01:39:13 PM »
Sounds like you have a hot ignition wire going to your battery. This would cause current to run through your rotor, making a magnetic field along your alternator. Check your wiring and the ignition line (it should be marked with an 'I' on your plug.