3G Alt

460 crew · Post by **460 crew** » Sat Jul 14, 2007 12:14 am

Ok I want to run down what I need for sure for adding myLoad boss 105A 3G atl.
I am using this diagram http://www.bcbroncos.com/3ginstall.pdf

So I should be grounded out fine by just mounting this thing to my engine (not needing another ground off the alt to the engine or chassis)

The LG/RED wire to starter (hot on run/start) what is an easy source to tap into that you all have used?

Now the wire with the 175A mega fuse from the B+ terminal I am thinking of using a 2ga wire with this fuse and holder? http://bcbroncos.com/store/product_info ... cts_id=562

Is this good? As I understand I will have to run an aftermarket voltage meter.

Just wanting to make sure on this B4 I tear it apart

fitzwell · Post by **fitzwell** » Mon Jul 16, 2007 9:28 am

Check your alternator mount & make sure it is clean, rust free, etc. An additional ground lead off the alt is a good idea as well. I think i'd run a 125 amp fuse, and a 4ga charge lead, in addition to the large factory charge wire.

my .02

Thunderfoot · Post by **Thunderfoot** » Thu Jul 19, 2007 12:33 pm

460 Crew,

If you havenÃ¢â‚¬â„¢t got it hooked up yetÃ¢â‚¬Â¦

I would still hook up a ground wire as you can never have enough good grounds and bad ground connections are the number one cause of electrical gremlins.

I attached another diagram for you thatÃ¢â‚¬â„¢s pretty much the same just a little more detailsÃ¢â‚¬Â¦

On the LG/RED wire, look for the wire going to the stock voltage regulator in the main wiring harness from the cab. Looking at the wire diagrams it should be the Ã¢â‚¬Å“Green Ã¢â‚¬â€œ red stripeÃ¢â‚¬Â

Redcap · Post by **Redcap** » Thu Jul 19, 2007 12:56 pm

Awesome picture!

MadMaxetc · Post by **MadMaxetc** » Thu Jul 19, 2007 1:13 pm

I will have to do that once I install the radio and Sub and Amp.

460 crew · Post by **460 crew** » Thu Jul 19, 2007 8:32 pm

Right on thanks thunderfoot. I still havent gotten into it. might be this weekend as i just got the electric fan setup today.

460 crew · Post by **460 crew** » Thu Jul 19, 2007 10:52 pm

found this place for cables and fuses also. http://rjminjectiontech.com/?p=7

Thunderfoot · Post by **Thunderfoot** » Fri Jul 20, 2007 11:39 am

ThatÃ¢â‚¬â„¢s a good link for the cables, I book marked it.

Another place you can look for the fuse holders and power cables is any of the Car Audio places, as the power wires and fuses for the amplifiers are rated up to these amperages.

Hope it goes smoooooothly.

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