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<blockquote data-quote="zoltman1991" data-source="post: 8888280" data-attributes="member: 691561">I&#039;m a little torn. I&#039;m seeing two direct opposite answers.Here is my set up:-Fosgate T1500 (man. recs 200a)-Focal AP 4340 (man. recs 40a)-Focal AP 4340 (man. recs 40a)-0awg running into trunk AGM, into fused distribution block)For one, what fuse size do I run for my main power wire?-I&#039;m seeing fuse for wire v. fuse for load. Either way, 300a would be a good size for both approaches, correct?What&#039;s also throwing me off is that online sources are suggesting a 125a-150a MAX for a 4awg wire. This is directly against Fosgate&#039;s recommendations. Fosgate recommends a 4awg power wire with a 200a fuse. Again, this is throwing me off. My current plan is to run:-300a fuse by Hood battery.-300a fuse&nbsp; before trunk battery-200a/40a/40a into the distribution blocks. would love everyone&#039;s insight.</blockquote>

[QUOTE="zoltman1991, post: 8888280, member: 691561"] I'm a little torn. I'm seeing two direct opposite answers. Here is my set up: -Fosgate T1500 (man. recs 200a) -Focal AP 4340 (man. recs 40a) -Focal AP 4340 (man. recs 40a) -0awg running into trunk AGM, into fused distribution block) For one, what fuse size do I run for my main power wire? -I'm seeing fuse for wire v. fuse for load. Either way, 300a would be a good size for both approaches, correct? What's also throwing me off is that online sources are suggesting a 125a-150a MAX for a 4awg wire. This is directly against Fosgate's recommendations. Fosgate recommends a 4awg power wire with a 200a fuse. Again, this is throwing me off. My current plan is to run: -300a fuse by Hood battery. -300a fuse before trunk battery -200a/40a/40a into the distribution blocks. would love everyone's insight. [/QUOTE]

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