manueltrem Posted October 6, 2008 Report Share Posted October 6, 2008 and the big three if you only change 1 wire the one that goes in from the alt to the fuse box is there goin to be any problem Link to comment Share on other sites More sharing options...
bigbodylexus Posted October 7, 2008 Report Share Posted October 7, 2008 You would be wasting your time 1990 Chevy Suburban (Big Booty Judy) (4) Sundown Audio Zv5 18's (1) Sundown Audio Salt 12K (1) Sundown Audio SAX-100.4 (1) Sundown Audio SAE-50.4 (2) Crossfire ST-1 Tweeters (2) Obsidian Audio ST-1 tweeters (4) Sundown Audio Neo Pro v3 6.5's Saving 2nd Bass Link to comment Share on other sites More sharing options...
Airborne Posted October 7, 2008 Report Share Posted October 7, 2008 To the fuse box? Link to comment Share on other sites More sharing options...
Airborne Posted October 7, 2008 Report Share Posted October 7, 2008 Got this from the pinned topic. You would have nothing to gain upgrading your fuse box wiring. Nothing on that box requires the amount of power 1/0 is capable of carrying. How to do the Big III The Big III is a simple electrical upgrade for any vehicle to improve a better electrical charge from the alternator to the battery. Your stock electrical system consists of 3, or more, wires hence the term “Big III”. These are the main wires for your electrical charging system. The actual “upgrade” is we are adding a thicker gauge wire to the system. *Notice I said add and not replace, reason behind this is the current will automatically take the path of least resistance, easier to do. You are more than welcome to replace all wires but be sure you do it properly otherwise you could harm the ECU. The 3 wires are: - Positive from battery to positive from alternator - Negative from battery to ground - Engine block to ground The materials you will need are pretty simple. - ~ 6-10ft of wire((I suggest 1/0 awg ), depending on vehicle length varies - 4-6 Ring terminals - socket set or a crescent wrench - Heavy duty wire cutters - Fuse holder with appropriate fuse rating - Sandpaper or file Optional materials - Special Battery terminals that accept 1/0 awg wires. - Wire Loom (I highly recommend you use some sort of loom to protect the wire) - Zip ties - Heat shrink tubing - Electrical tape - Screws - Screwdriver Link to comment Share on other sites More sharing options...
jonnylowkon Posted October 7, 2008 Report Share Posted October 7, 2008 Got this from the pinned topic. You would have nothing to gain upgrading your fuse box wiring. Nothing on that box requires the amount of power 1/0 is capable of carrying.How to do the Big III The Big III is a simple electrical upgrade for any vehicle to improve a better electrical charge from the alternator to the battery. Your stock electrical system consists of 3, or more, wires hence the term “Big III”. These are the main wires for your electrical charging system. The actual “upgrade” is we are adding a thicker gauge wire to the system. *Notice I said add and not replace, reason behind this is the current will automatically take the path of least resistance, easier to do. You are more than welcome to replace all wires but be sure you do it properly otherwise you could harm the ECU. The 3 wires are: - Positive from battery to positive from alternator - Negative from battery to ground - Engine block to ground The materials you will need are pretty simple. - ~ 6-10ft of wire((I suggest 1/0 awg ), depending on vehicle length varies - 4-6 Ring terminals - socket set or a crescent wrench - Heavy duty wire cutters - Fuse holder with appropriate fuse rating - Sandpaper or file Optional materials - Special Battery terminals that accept 1/0 awg wires. - Wire Loom (I highly recommend you use some sort of loom to protect the wire) - Zip ties - Heat shrink tubing - Electrical tape - Screws - Screwdriver yup the factory does an OK job for suppling everything thats factory in the vehicle with power the only things u should be concerened about is ur alt to battery, battery to ground, battery to amps, and amps back to battery weather u use the chassis as a common ground or go all out and do a dedicated ground return to the battery..and ur good to go 250 amp mechman alt Sundown 100.4D Sundown 1500v2 now goin to the cruze Sundown ZV3 12d2 Sundown sa6.5cs X2 Kenwood X597 Trying something new 2011 Chevy Cruze X8 1500v2 Link to comment Share on other sites More sharing options...
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