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DC alt overcharging
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<blockquote data-quote="Max_Power" data-source="post: 7771537" data-attributes="member: 572364"><p>I recently replaced my stock alternator with one from DC power. I also around the same time sold my subwoofer and have been driving around bassless. Without the strain of the subs amplifier going the alternator was charging with a solid 14v+ at idle with the headlights on. all was good. I then went ahead and changed my walmart neverstart with a diehard platinum of the same size. still the alternator charged at 14+ reguardless of the load. I have yet to reconnect any of my big three.</p><p></p><p>Today I decided to drop in one of my new subs and reconnect the amplifier to get some temporary bass. I was driving around beating the sub pretty hard trying to test both the woofer and the alternator's capabilities. all was great until I checked the voltage at my battery.</p><p></p><p>My meter (which is a cheap harbor freight) read 18.86 and rising!! this was with the engine running, stereo playing, and headlights on. I checked my meter's range and all was good. checked the battery again 19.24v and rising. turned the car off, headlights on 18.56v. I turned everything off and felt my stock charging and ground wires, both were "normal" temps and the battery wasnt hot either.</p><p></p><p>I never had a problem with the meter before, so I have no reason to suspect it otherwise.</p><p></p><p>What you guys think????</p></blockquote><p></p>
[QUOTE="Max_Power, post: 7771537, member: 572364"] I recently replaced my stock alternator with one from DC power. I also around the same time sold my subwoofer and have been driving around bassless. Without the strain of the subs amplifier going the alternator was charging with a solid 14v+ at idle with the headlights on. all was good. I then went ahead and changed my walmart neverstart with a diehard platinum of the same size. still the alternator charged at 14+ reguardless of the load. I have yet to reconnect any of my big three. Today I decided to drop in one of my new subs and reconnect the amplifier to get some temporary bass. I was driving around beating the sub pretty hard trying to test both the woofer and the alternator's capabilities. all was great until I checked the voltage at my battery. My meter (which is a cheap harbor freight) read 18.86 and rising!! this was with the engine running, stereo playing, and headlights on. I checked my meter's range and all was good. checked the battery again 19.24v and rising. turned the car off, headlights on 18.56v. I turned everything off and felt my stock charging and ground wires, both were "normal" temps and the battery wasnt hot either. I never had a problem with the meter before, so I have no reason to suspect it otherwise. What you guys think???? [/QUOTE]
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