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Big Three Upgrade

  #1  
Old 08-10-2011, 11:37 PM
Thread Starter
Join Date: Jun 2010
Location: Des Moines, Iowa
Posts: 392
Default Big Three Upgrade

So I finally decided to do the big three upgrade. My buddy at work told me to keep my 8 gauge wiring on my M500 and to buy some 4 gauge wire and do the big three to start with instead - for those who remember I WAS having a lot of dimming. So today after work I started and replaced the battery to chassis and battery to alternator. I even replaced the little 8 gauge wire to the auxillary box from the battery with 4 gauge. HOWEVER - I feel really stupid asking this but I don't see the battery to block ground? Is it up front or what? I am having no flickering or flashing anymore even with me having the dome on, fogs on and windows going up and down while my system is cranked. I just need to do one more ground and need to find out where she is please!
 
  #2  
Old 08-12-2011, 11:18 AM
Thread Starter
Join Date: Jun 2010
Location: Des Moines, Iowa
Posts: 392
Default

I found the ground to the block, What if I was to replace the cable from the starter to the positive terminal on the battery while I was at it? Would there be any positives/negatives?
 
  #3  
Old 08-13-2011, 12:37 PM
Join Date: Apr 2009
Posts: 164
Default

I did the big 3 a while back using 1/0. The battery to block ground is a pain to get to so I just left it alone and added another battery to block ground. I grounded it to the right side of the engine near the air box. Here's a pic of where it's grounded:
 
  #4  
Old 08-13-2011, 12:44 PM
Join Date: Apr 2009
Posts: 164
Default

This thread might be useful to you

https://montecarloforum.com/forum/in...q-monte-15654/
 
  #5  
Old 08-13-2011, 06:33 PM
Join Date: Dec 2010
Posts: 697
Default

Originally Posted by M.C.BOB View Post
how is that thread still around? it got bumped off the list months ago.

my build log is also a great guide for allot to, i cataloged allot of what i've done.

https://montecarloforum.com/forum/in...q-build-25554/

their is no battery to block ground, the grounding of the alt to the engine and the brackets from the engine to the chasie are what grounds the car naturaly, it's enough for the car but for car audio it's quite helpfull to use a direct ground. much like it appears you did in your picture.
 

Last edited by walkingonabullet; 08-13-2011 at 06:39 PM.
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