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Wiring, Electrical & Installation
Batteries drop to 11.9v overnight. How to find and fix the phantom power drain?
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<blockquote data-quote="Roland" data-source="post: 8475553" data-attributes="member: 647142"><p>UNI-T-UT203 ive been using this model for about 7 years almost daily very nice for the money. (Edit mine is a 204 <a href="http://www.ebay.com/itm/UNI-T-UT204A-Digital-Handheld-Clamp-Multimeter-Tester-DMM-Voltmeter-Amp-AC-DC-/261813739440?hash=item3cf5509fb0:g:3~0AAOSwBahVBpiu" target="_blank">http://www.ebay.com/itm/UNI-T-UT204A-Digital-Handheld-Clamp-Multimeter-Tester-DMM-Voltmeter-Amp-AC-DC-/261813739440?hash=item3cf5509fb0:g:3~0AAOSwBahVBpiu</a> )</p><p></p><p><a href="http://www.ebay.com/itm/UNI-T-UT203-Digital-Clamp-Meter-AC-DC-Volt-Amp-Ohm-Hz-Duty-Cycle-Diode-Cont-DMM-/131366891401?hash=item1e9613af89:g:4rQAAOSwpdpVZIi9" target="_blank">Uni T UT203 Digital Clamp Meter AC DC Volt Amp Ohm Hz Duty Cycle Diode Cont DMM | eBay</a></p><p></p><p>You should disconnect your second battery before trying to isolate your problem.</p><p></p><p>I guess it should go without saying but when testing batteries test each battery separately. A weak battery well pull down a strong battery.</p></blockquote><p></p>
[QUOTE="Roland, post: 8475553, member: 647142"] UNI-T-UT203 ive been using this model for about 7 years almost daily very nice for the money. (Edit mine is a 204 [URL="http://www.ebay.com/itm/UNI-T-UT204A-Digital-Handheld-Clamp-Multimeter-Tester-DMM-Voltmeter-Amp-AC-DC-/261813739440?hash=item3cf5509fb0:g:3~0AAOSwBahVBpiu"]http://www.ebay.com/itm/UNI-T-UT204A-Digital-Handheld-Clamp-Multimeter-Tester-DMM-Voltmeter-Amp-AC-DC-/261813739440?hash=item3cf5509fb0:g:3~0AAOSwBahVBpiu[/URL] ) [URL="http://www.ebay.com/itm/UNI-T-UT203-Digital-Clamp-Meter-AC-DC-Volt-Amp-Ohm-Hz-Duty-Cycle-Diode-Cont-DMM-/131366891401?hash=item1e9613af89:g:4rQAAOSwpdpVZIi9"]Uni T UT203 Digital Clamp Meter AC DC Volt Amp Ohm Hz Duty Cycle Diode Cont DMM | eBay[/URL] You should disconnect your second battery before trying to isolate your problem. I guess it should go without saying but when testing batteries test each battery separately. A weak battery well pull down a strong battery. [/QUOTE]
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Batteries drop to 11.9v overnight. How to find and fix the phantom power drain?
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