Dan2427 Posted March 1, 2011 Report Share Posted March 1, 2011 First off, my electrical consists of 2 runs of Knu 1/0 about 120ish feet, big 3 also in Knu 1/0, stock 136 amp alt, and 2 Stinger SP1500 batteries. When I first got this all done in October, my voltage cold was around 14.9-15.0 and drop to 14.6-14.7 warm. Now cold start is 14.3 and drops to 13.9ish it used to drop that low on full tilt like 13.7 (at 2200rpm) would be the lowest now the other day I seen 12.5, how bad is that?. I've read somewhere I should charge the batteries themselves, is this true? Do I need to unhook them and pull them out to charge? I dont have an AGM charger so will my regular charger on 2 amp work for a couple hours? With all three batteries on wired together they still rest between 12.8 or 12.9 on a multimeter. I hope too have an alt soon, but its on hold til I figure out my payments on my new truck. By the way my alternator squeals with no stereo on, on start up for about 5 seconds could that be the cause of low voltage? I've had alts go bad but it pretty much went on the spot not gradually got worse. Thanks 2003 GMC Yukon Denali Alpine CDA 117 Redoing Mids/Highs 4 Runs of 1/0 Knukonceptz 2+, 2- 4 Deka 9A31's in back (Stock underhood) 250 amp Alt. AQ20K 2 18" Crossfire XS V.2's 12 cubes 33hz 149sq inches of port! Link to comment Share on other sites More sharing options...
Rebel4055 Posted March 1, 2011 Report Share Posted March 1, 2011 It's not the alt squealing its the belt. Belt could be loose. Rest In Peace mother. January 22, 1955 - February 14, 2013 http://www.stevemeadedesigns.com/board/user/35351-megrch/ Link to comment Share on other sites More sharing options...
Dan2427 Posted March 1, 2011 Author Report Share Posted March 1, 2011 Thats what I thought but its still tight and the belt is only 2 3 months old. 2003 GMC Yukon Denali Alpine CDA 117 Redoing Mids/Highs 4 Runs of 1/0 Knukonceptz 2+, 2- 4 Deka 9A31's in back (Stock underhood) 250 amp Alt. AQ20K 2 18" Crossfire XS V.2's 12 cubes 33hz 149sq inches of port! Link to comment Share on other sites More sharing options...
Rebel4055 Posted March 1, 2011 Report Share Posted March 1, 2011 Thats what I thought but its still tight and the belt is only 2 3 months old. I don't know if this actually happens but the alt could be seizing if your certain your tension-er pulley and belt is fine. Rest In Peace mother. January 22, 1955 - February 14, 2013 http://www.stevemeadedesigns.com/board/user/35351-megrch/ Link to comment Share on other sites More sharing options...
Dan2427 Posted March 1, 2011 Author Report Share Posted March 1, 2011 Damn I was hoping I could get away with charging the batteries lol. Should I charge my batteries individually or can I leave them connected or should the alt be suffecient enough? 2003 GMC Yukon Denali Alpine CDA 117 Redoing Mids/Highs 4 Runs of 1/0 Knukonceptz 2+, 2- 4 Deka 9A31's in back (Stock underhood) 250 amp Alt. AQ20K 2 18" Crossfire XS V.2's 12 cubes 33hz 149sq inches of port! Link to comment Share on other sites More sharing options...
Rebel4055 Posted March 1, 2011 Report Share Posted March 1, 2011 Charge the front one and the back will follow. Rest In Peace mother. January 22, 1955 - February 14, 2013 http://www.stevemeadedesigns.com/board/user/35351-megrch/ Link to comment Share on other sites More sharing options...
C-Fizzy Posted March 1, 2011 Report Share Posted March 1, 2011 Wait, you have two runs of 120 feet? Do you drive a space shuttle? under construction I hate People with crappy primered cars rolling on hubcaps that are louder then me. u hate c-fizzy? Link to comment Share on other sites More sharing options...
Dan2427 Posted March 2, 2011 Author Report Share Posted March 2, 2011 haha no I probably could of saved some but its basically ran in a BIG S shape but I wanted it to stay as far away from the exhaust as possible (ran underneath truck). I bought 170' from Knu awhile back and just installed it, so I'm gonna guess 120ish I got 30+ ft still left so unless I got shorted. But thanks for the help rebel. I noticed my truck start hard today it was 5*, maybe my stingers are failing, I hope to upgrade to 5 xs 3100s this next winter and my DC Power alt. sooner than later 2003 GMC Yukon Denali Alpine CDA 117 Redoing Mids/Highs 4 Runs of 1/0 Knukonceptz 2+, 2- 4 Deka 9A31's in back (Stock underhood) 250 amp Alt. AQ20K 2 18" Crossfire XS V.2's 12 cubes 33hz 149sq inches of port! Link to comment Share on other sites More sharing options...
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