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Discussion Starter · #1 ·
Can anyone recommend a good replacement Alt. for an 85 4runner. I like to run alot of e-crap (radio, CB,rock lights ect.) in my truck and it struggled last weekend. I think I would be good with a deep cell and more alt output. Thanks, <IMG SRC="smilies/beer.gif" border="0">
 

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<font color="yellow">
Try checking in the yellowpages for anything related to alternator.

Also, any GOOD cutsom car stereo shop in yuor area will probably be aware of a few options, since Amplifiers and such are almost as power-hungry as a winch at full load.</font>
 

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Discussion Starter · #3 ·
Thanks M.Y. I run two amps and needed a pt in the right direction!
 

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If you want to do the right setup, here it is:

Fabricate brackets for where your existing alternator sits for a 6 1/2" GM Alternator. This will allow you to buy 150+ amp alternators for cheap. THe AC Delco's go anywhere from $80-150 for such an alternator. A lot of electrical/mechanic shops, could even fabricate the brackets for you.
Since these alternators are three wire alternators, they in effect only require you two actually hook up two wires . . . which makes wiring easy, and eliminates the horrible wiring of how Toyota does alternators. In effect, this makes it much more reliable.
WIth a 150+ amp alternator, you will eliminate most of your pains, due to your high amount of eletrcial components and their associated draw. Another good option is to purchase a capacitor. They sit inline between your charging source and your vehicles electrical system. When your bass hits, or a surge happens from something in your vehicle, sometimes the alternator/battery can't supply the needed voltage. The capacitor, which is a huge fricken coil that acts like a backup battery, supply's the remainder voltage needed to supply the electrical component with what is needed. The majority of professional car audio guys run these in their vehicles, because when 4 18" subs hit, the amperage requirements are extreme, and most stock electrical systems don't have a chance in hell of sustaining that voltage for that split second.
ANother option, at that point is moving to dual alternators. Having one for your primary engine components( such as ignition, headlights, injectors, ECU) runing on its own battery, and the run a second battery and alternator for your stereo, CB, etc.
Another advantage of this setup, is that if you drain your primary battery, you could :

1) Jump yourself with the flip[ of a toggle switch (I've seen this and it is REALLY kewl when you mount it on the dash!!!)

2) If the battery is toast, you can run a cut over from the secondary to the primary and drive home!

3) Completeley swap the secondary in the place of the primary


Some other great advantages of this are:

1) Great for winches

2) All you need is a set of jumper cables and some welding rods, and you have an on board arc welder!

I haven't done it yet, but my truck is in the beginning stages . . I'll have this done by next summer.
 

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i was going to hook up a dual alternater.
its off an old renault. its made by gm and has 70 amps with a internal voltage regulater.

i redrilled the mounting braket so that it will fit on the passanger side of the engine.
i haven't hooked it up yet.

but the plans are to get another battery and put it where the air filter is now. put the air filter on the passanger side. put in another fuse box and wire up all the accesories to that other system.

nice idea about the cheap on board welder.
x2_rage
but, won't that fry the battery?
if it doesn't damn, i'm getting a cheap pair of jumper cables!
<IMG SRC="smilies/rolleyes.gif" border="0"> <IMG SRC="smilies/biggrin.gif" border="0">
 

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Discussion Starter · #6 ·
I had thought of the two batt. system, but space is an issue. My truck is SR5 w/ AC. I also have an ARB compressor lurking on the passenger side. With a winch coming in a couple months, I am going to need a solution.
 

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Originally posted by Sloarhunter:
<STRONG>I had thought of the two batt. system, but space is an issue. My truck is SR5 w/ AC. I also have an ARB compressor lurking on the passenger side. With a winch coming in a couple months, I am going to need a solution.</STRONG>
Other places to put 2 batteries:

Dual batteries

Premier makes a 160A alternator:

PPW alternator
 
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