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<blockquote data-quote="anibal" data-source="post: 6473114" data-attributes="member: 581271">he had many other questions... not just &quot;the big 3&quot;And about the fuse in the alt to battery wire. I guess if he does his own &quot;car jumps&quot; with jumper cables and assuming he knows how to do it right every time his alt will survive.It works both ways, if the car is daily driven and he doesn&#039;t know how to jump it in case the battery drains, or the terminals are connected wrong then a fused line would be good in this case. If he has been around the block and knows what he is doing then no it is not needed.I have done it both ways through the years, In my current car I am on my 3rd alternator. Original 70 amp died picked up a 160amp, needless to say my alt went along with my battery, It wasn&#039;t fused. Ended up with a hole under my battery from the leak. Now I had the amp rebuilt, fused the wire and added an optima.When I upgrade from the 4 gauge to 1/0 it will not be fused.When I have time I will take measurements of the wire with the fuse inline and without.</blockquote>

[QUOTE="anibal, post: 6473114, member: 581271"] he had many other questions... not just "the big 3" And about the fuse in the alt to battery wire. I guess if he does his own "car jumps" with jumper cables and assuming he knows how to do it right every time his alt will survive. It works both ways, if the car is daily driven and he doesn't know how to jump it in case the battery drains, or the terminals are connected wrong then a fused line would be good in this case. If he has been around the block and knows what he is doing then no it is not needed. I have done it both ways through the years, In my current car I am on my 3rd alternator. Original 70 amp died picked up a 160amp, needless to say my alt went along with my battery, It wasn't fused. Ended up with a hole under my battery from the leak. Now I had the amp rebuilt, fused the wire and added an optima. When I upgrade from the 4 gauge to 1/0 it will not be fused. When I have time I will take measurements of the wire with the fuse inline and without. [/QUOTE]

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