Re: Keeps blowing fuses — alternator problem?
As others have stated, 30 amp fuse should be more than enough. If your alternator is putting out more than 30 amps there is something wrong. Could be a bad ground, short, bad alternator regulator, or bad battery. Keep the ammeter but also install a volt meter so that you can keep tabs on the battery voltage. Should be about 12.3 or so volts after sitting overnight and 14.5 when the engine is running at anything more than an idle, even 50 mph. After driving for a half hour or so, even with the lights on, your ammeter should show close to 0 amps but the volt meter should show 14.5 volts.
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