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Question on step 1 of the 'big 3' electrical upgrades

 
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Old 22 May 2011, 12:36 pm
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Default Question on step 1 of the 'big 3' electrical upgrades

Nice write-ups for the eletcrical and alternator, thanks! I am likely going to go with an Odyssey. Right now, I have an aging Optima stuffed under the hood.

Quote:
Alot of people do the BIG 3 upgrade first; being thicker, and high quality wires
NEW PREMIUM ALTERNATOR POWER OUTPUT BATTERY CABLE 2 GA - eBay (item 140242334986 end time Apr-03-11 14:47:43 PDT)
1 from the battery to the alternator,
2 from the battery to the starter
3 from the battery to a new ground.
The photo shows an image of a single cable. Do I need to order 3 of these? I can't make out if the ends have terminals (for connecting to the battery) or lugs (for connecting to the ground, alternator and starter)?
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Old 22 May 2011, 12:57 pm
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Default Re: Question on step 1 of the 'big 3' electrical upgrades

If your talking about Hyper-grounding (adding more wires for ground), here's a thread that's starts with the ground wire for the front wheel bearings and goes into Hyper-grounding.

ground wires from body to front struts?
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Old 22 May 2011, 01:07 pm
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Default Re: Question on step 1 of the 'big 3' electrical upgrades

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Originally Posted by CREWZIN View Post
If your talking about Hyper-grounding (adding more wires for ground), here's a thread that's starts with the ground wire for the front wheel bearings and goes into Hyper-grounding.

ground wires from body to front struts?

No, I'm taking about SergeantPtCruiser's sticky thread:
OEM Battery Replacement with a Deep Cell Battery. Research here ( 1 2 3)

I might get to hypergrounding, but first thing's first...
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Old 22 May 2011, 01:58 pm
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Default Re: Question on step 1 of the 'big 3' electrical upgrades

Big 3 is a 1) wire from battery ground to frame, 2) battery ground to engine block, 3) battery positive to alternator (or postive connector on fuse block to alternator) Its also a good idea to put a fuse rated at the alternators output IE: 100-125 amp between the wire going to alternator incase of a short.
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Old 22 May 2011, 11:06 pm
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Default Re: Question on step 1 of the 'big 3' electrical upgrades

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Originally Posted by xwing777 View Post
Big 3 is a 1) wire from battery ground to frame, 2) battery ground to engine block, 3) battery positive to alternator (or postive connector on fuse block to alternator) Its also a good idea to put a fuse rated at the alternators output IE: 100-125 amp between the wire going to alternator incase of a short.
Xwing, you fuse according to altenator output? I fuse according to wire capability.
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Old 22 May 2011, 11:15 pm
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Default Re: Question on step 1 of the 'big 3' electrical upgrades

Yeah, as long as the wire is big enough. Example 1/0 will work for 300+amps but the alt. only puts out 120amps. max. so there is no way it can blow a 125amp fuse unless theres a short or regulator goes bad then instead of frying something it will blow if the load only goes over the max output of the alternator.
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Old 23 May 2011, 05:07 am
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Default Re: Question on step 1 of the 'big 3' electrical upgrades

What wire kit do you use?
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Old 23 May 2011, 06:02 pm
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Default Re: Question on step 1 of the 'big 3' electrical upgrades

No kit, used a string to get approx. length total and bought 4 gauge by the foot. Cant remember the exact totals offhand though but thinking around 12' was enough. Just be sure to tie wrap good under engine, follow same route as factory wire and for extra insurance get some wire loom (auto parts sell by foot cheaper than the mr.gasket kits)

There are 3 types of ends you can go with (each have there own pro/cons)

1) solid type with hole for wire=Works great IF you have a proper crimper, leave very little room for corosion since its sealed on end. Harder to solder since you cant wick it in the closed end.





2) Open end type. Doesnt crimp as good since it has a cut down the middle BUT solders very well since you can wick it on the open end.





3) set screw type. Very easy to use, just put wire in hole and tighten the set screw. However i dont like these since your basically mashing the center of the strands in the center kinda like parting them.



I use the crimp, solid style as i have a very big, commerical style crimper similar to this one:



Just read and ask if its 100% copper as most you will find is copper coated. Not able to carry as much current and doesnt solder as solid.
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Old 24 May 2011, 09:02 am
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Default Re: Question on step 1 of the 'big 3' electrical upgrades

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Originally Posted by xwing777 View Post
Just read and ask if its 100% copper as most you will find is copper coated. Not able to carry as much current and doesnt solder as solid.
Are you talking about the lugs here or the wire?

I take it you used similar terminals for the battery connections. Did you use a different gage wire for the battery connections? How did you split the positive terminal connector to go to the starter, alternator and power center?
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Old 24 May 2011, 07:22 pm
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Default Re: Question on step 1 of the 'big 3' electrical upgrades

Yes make sure the wire you get is 100% copper. While the mix will work, its not as effecient and if you use solder type rings, it doesnt bond as good.

At the battery i used the same crimp style connectors. I also ran it from the alternator directly to the battery leaving the factory wires alone.
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