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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars


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Old 10-08-2008, 08:06 AM   #1
devonkyle77
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the wire that bolted to that stud looks like it just goes to the negative terminal though...
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Old 10-08-2008, 09:12 AM   #2
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Originally Posted by devonkyle77 View Post
the wire that bolted to that stud looks like it just goes to the negative terminal though...
Well shit man, think about what you just said. A wire coming off the positive battery lead, fused at 100A, is going to the negative terminal of the battery. How would that NOT blow?

That lead, the charging lead, the one bolted to the fusebox stud, goes directly to the plastic insulated stud on the alternator. It does not go to ground. There's a ground lead also on the alternator, it bolts behind the fusebox on the shock tower and comes off the alternator case, on the backside of it. If you have those reversed like I suggested earlier you're sending the entire 100A of current directly to ground.
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Old 10-08-2008, 09:37 AM   #3
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the wire that bolted to that stud looks like it just goes to the negative terminal though...


when i said that, i meant the two things circled in magenta in this picture are on the same wire. i am not sure how the hell i could mess that up. there were no other wires i removed from the stud.
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Old 10-08-2008, 10:28 AM   #4
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when i said that, i meant the two things circled in magenta in this picture are on the same wire. i am not sure how the hell i could mess that up. there were no other wires i removed from the stud.
That's wrong, plain and simple.

The battery ground terminal bolts to the battery, then to the chassis anywhere you want, then to the intake manifold/head.

The positive battery terminal leaves the battery and the larger 4ga lead goes straight to the starter. The two smaller 10ga leads go inside to the fusebox, on one leg of the 100A fuse.

The stud in the fusebox goes straight to the alternator. You've got shit all mixed up. I should send you a bag of poo.
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Old 10-08-2008, 10:46 AM   #5
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ok, i think i follow.


Quote:
Originally Posted by projectRDM View Post

The battery ground terminal bolts to the battery, then to the chassis anywhere you want, then to the intake manifold/head.
so in the last picture, what i had circled in magenta should be bolted to the intake mani.

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The positive battery terminal leaves the battery and the larger 4ga lead goes straight to the starter. The two smaller 10ga leads go inside to the fusebox, on one leg of the 100A fuse..
that part is impossible to mess up as i see it, unless the fusebox had been taken apart.


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The stud in the fusebox goes straight to the alternator. You've got shit all mixed up. I should send you a bag of poo.
this is where i get lost. i dont see anything available that i could attach to the fusebox.
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