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battery isolator...
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<blockquote data-quote="audioholic" data-source="post: 5705903" data-attributes="member: 549629"><p>Isolators and relays are a waste of money? Maybe if you do not understand what they do.</p><p>For example, if you have a nice new batt in the back for your stereo, and the old stocker up front for the engine, simply running the 'appropriate sized wire' between them will not keep you from having problems.</p><p></p><p>Another example is the guy who likes to run his stereo with the engine off, but doesn't like stranding himself with a dead battery at the end of the day.</p><p></p><p>To the OP, if you run multiple batts, remember that you need a fuse at BOTH ends of the wire. With batts at both ends of the wire, a short could draw power from either direction in the wire. Im always amazed how many people dont realize this when they install mult batts. Very dangerous.</p></blockquote><p></p>
[QUOTE="audioholic, post: 5705903, member: 549629"] Isolators and relays are a waste of money? Maybe if you do not understand what they do. For example, if you have a nice new batt in the back for your stereo, and the old stocker up front for the engine, simply running the 'appropriate sized wire' between them will not keep you from having problems. Another example is the guy who likes to run his stereo with the engine off, but doesn't like stranding himself with a dead battery at the end of the day. To the OP, if you run multiple batts, remember that you need a fuse at BOTH ends of the wire. With batts at both ends of the wire, a short could draw power from either direction in the wire. Im always amazed how many people dont realize this when they install mult batts. Very dangerous. [/QUOTE]
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