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Amplifiers
Proper ways to disconnect and connect an amplifier
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<blockquote data-quote="Alrojoca" data-source="post: 8135049" data-attributes="member: 638714"><p>We all know the the ccorrect way is to disconnect the neg on the main battery, and connect it when the new amp is connected. Many times disconnecting the main battery can erase trip counters and some car computers may need an idle learning process if disconnected.</p><p></p><p>Maybe some of the most experienced installers can comment or argue about the methods I listed and which one will be better, if not wanting to disconnect the main battery.</p><p></p><p>All options assume key switched off or no keys on the ignition switch.</p><p></p><p>A. Disconnect the Neg on the main battery and back on when new amp is connected? Commonly used</p><p></p><p>B. Simply disconnect the Fuse for the amp on the pos cable, install amp and connect amp's fuse near the battery again.</p><p></p><p>C. Same as B except disconnect amps ground and connect amp's ground as the last step.</p><p></p><p>D. Simply Disconnect the ground on the amp, wrap it or isolate it. Install new amp, then connect the amp's ground as a last step again.</p><p></p><p>Since all of the above methods work, what are the risks associated with any of the methods listed?</p><p></p><p>One last question. How do you avoid that initial jolt spark connecting either the amp's ground or battery ground after everything is hooked up? Probably can't be avoided, just thought I would ask.</p></blockquote><p></p>
[QUOTE="Alrojoca, post: 8135049, member: 638714"] We all know the the ccorrect way is to disconnect the neg on the main battery, and connect it when the new amp is connected. Many times disconnecting the main battery can erase trip counters and some car computers may need an idle learning process if disconnected. Maybe some of the most experienced installers can comment or argue about the methods I listed and which one will be better, if not wanting to disconnect the main battery. All options assume key switched off or no keys on the ignition switch. A. Disconnect the Neg on the main battery and back on when new amp is connected? Commonly used B. Simply disconnect the Fuse for the amp on the pos cable, install amp and connect amp's fuse near the battery again. C. Same as B except disconnect amps ground and connect amp's ground as the last step. D. Simply Disconnect the ground on the amp, wrap it or isolate it. Install new amp, then connect the amp's ground as a last step again. Since all of the above methods work, what are the risks associated with any of the methods listed? One last question. How do you avoid that initial jolt spark connecting either the amp's ground or battery ground after everything is hooked up? Probably can't be avoided, just thought I would ask. [/QUOTE]
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Proper ways to disconnect and connect an amplifier
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