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<blockquote data-quote="forbidden" data-source="post: 1908346" data-attributes="member: 552189">Run a new line direct from the alternator to the battery. This line MUST be fused. Look at the ampere rating of the alternator, there is generally no need to go way far beyond that. Yesterday for example we did a overhaul of this very line after the line had dead shorted due to heat melting the insulation. The fuse did it&#039;s job, thankfully there was a fuse installed on this line. Using our clamp meter, the alternator even though it was rated at 70 amps in this GM vehicle, was putting out 96 amps as the battery had been depleted, thus the draw was greater. I could not have fused this line with a standard AGU type fuse, instead a 130 amp wafer fuse was used which was more than adequate for both the demand and the supply over such a short distance.What is important running the lines as this customer found out is that the layout of the lines is important. Take great care to run it away from any heat source and ensure that it is adequately tied down. If you have some 0 gauge left over from a amp kit, there is no harm in using it.</blockquote>

[QUOTE="forbidden, post: 1908346, member: 552189"] Run a new line direct from the alternator to the battery. This line [B]MUST[/B] be fused. Look at the ampere rating of the alternator, there is generally no need to go way far beyond that. Yesterday for example we did a overhaul of this very line after the line had dead shorted due to heat melting the insulation. The fuse did it's job, thankfully there was a fuse installed on this line. Using our clamp meter, the alternator even though it was rated at 70 amps in this GM vehicle, was putting out 96 amps as the battery had been depleted, thus the draw was greater. I could not have fused this line with a standard AGU type fuse, instead a 130 amp wafer fuse was used which was more than adequate for both the demand and the supply over such a short distance. What is important running the lines as this customer found out is that the layout of the lines is important. Take great care to run it away from any heat source and ensure that it is adequately tied down. If you have some 0 gauge left over from a amp kit, there is no harm in using it. [/QUOTE]

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