AMI CUSTOMS Posted April 5, 2011 Report Share Posted April 5, 2011 The voltage drop across a diode is .7 volts so I could see why you are seeing an increase you are feeding a lower voltage to the sense input of the regulator basically tricking the regulator to charge at a higher set point voltage. Same thing the vcm does just not with diodes I believe they use a micro controller. TEAM SOUNDQUBED -- TEAM SOUTH TEAM S.O.B. - Founder & Captain 3x Streetbeat World Record Holder 2017 MWSPL 1st place Mayhem & 4th Xtreme 4 2016 MWSPL 1st place Mayhem/2nd Adv 4/2nd Xtreme 4 2015 MWSPL 2nd place Mayhem & 4th Xtreme 4 2014 USACI 2nd place Streetbeat 5 - 162.6 db 2014 MWSPL 2nd place Xtreme 4 - 144.9 db 2013 USACI 1st place Streetbeat 4 - 161.9 db 2013 USACI 1st place Street Q+ - 162.8 db 2013 MWSPL 3rd Kaos2 & 4th Xtreme 4 2011 USACI 2nd place MOD 1001-2k - 160.0 db 2011 MWSPL 4th place: Adv3 - 157.8 db, Kaos2 - 150s db, Xtreme4 - 140s db 2010 ARSPL 1st place 501-750 - 160.3 db Arkansas loudest Best score to date 164.4 db - Termlab Outlaw Streetbeat 4 - 161.9 db Streetbeat 5 - 162.6 db MWSPL on Dash Legal door open (Music) - 162.5 db Sealed on dash Legal (Music) - 161.1 db - Termlab THE BLACK NASTY CURRENT BUILD & FAB The Black Nasty (6) 15 Rebuild Log 2012 (4) 15 Walled Sierra Build Log Evo X build log Facebook page The Black Nasty Link to comment Share on other sites More sharing options...
97SSBlazer Posted April 5, 2011 Author Report Share Posted April 5, 2011 The voltage drop across a diode is .7 volts so I could see why you are seeing an increase you are feeding a lower voltage to the sense input of the regulator basically tricking the regulator to charge at a higher set point voltage. Same thing the vcm does just not with diodes I believe they use a micro controller. exactly. I was gaining .5-.6 lol. lower tuning is just hard. I was surprised how loud 145 sounds at 35hz, and how quiet 145 sounds at 50hz. -= 2005 Tahoe LT =-Head unit: Pioneer AVH-X5500BHSSource: iPad Mini in dash Subs: 2 T1 12's Sub Amp: T1500-1bdCPWire: Rockford Fosgate 1/0 awgSignal Cable: MonsterFronts:Stock Bose for now:)Rears: Stock Bose for now:)MIds/High amp: Stock Bose for now:) 2005 Tahoe Build Log: http://www.stevemeadedesigns.com/board/topic/172529-2005-tahoe-my-17th-vehicle/ 2001 Monte Build Log: http://www.stevemeadedesigns.com/board/topic/160030-2001-monte-carlo-my-16th-car-lol/page-2#entry25309381997 Tahoe Build Log: http://www.stevemead...oe-6-15-rf-15s/2001 Impala Build Log: http://www.stevemead...katzkin-inside/ Link to comment Share on other sites More sharing options...
Katt Posted April 5, 2011 Report Share Posted April 5, 2011 You may also want to recommend people not to connect the battery until you check the alt charging voltage. People may not want to risk their 12v battery getting like 17volts. I know you said what resistors and alt you have, but the resistors may have different results on different alts. They also might try different size resistors. DIODES! DO NOT use resistors! If you disconnect your battery how can you start your car to see voltage? I WOULD START SMALL with the diodes. I began with this setup. Just be careful, I can't stress that enough. Unhook your alt, and start your car. Leaving you able to test your alt without ruining your 12v system. How the hell can you test an alt with out it spinning at ~700 RPM's? I meant your Alt wire that goes to your battery. And yeah. lol. I didn't mean the belt. In most cars if the output wires are un hooked most if not all of the vehicle is disabled... Not a bad idea if it actually worked though. Didn't know that. But worth a try. But what if you had a secondary battery laying around, ground it to the car, and alt to the positive, and try it out. that way it still charges, and you don't destory anything in the process, That would work wouldn't it? *06 330i - Sundern x12 - saz-3500* *91 Foxbody V1 S-Trim Notch* Link to comment Share on other sites More sharing options...
97SSBlazer Posted April 5, 2011 Author Report Share Posted April 5, 2011 I just went and checked. im at 15.7 cold and 15.2 - 15.3 Warm. i was hoping to gain another .5 warm but looks like I wont be able to unless I use a switch or a relay to add or subtract the extra Diode needed... lower tuning is just hard. I was surprised how loud 145 sounds at 35hz, and how quiet 145 sounds at 50hz. -= 2005 Tahoe LT =-Head unit: Pioneer AVH-X5500BHSSource: iPad Mini in dash Subs: 2 T1 12's Sub Amp: T1500-1bdCPWire: Rockford Fosgate 1/0 awgSignal Cable: MonsterFronts:Stock Bose for now:)Rears: Stock Bose for now:)MIds/High amp: Stock Bose for now:) 2005 Tahoe Build Log: http://www.stevemeadedesigns.com/board/topic/172529-2005-tahoe-my-17th-vehicle/ 2001 Monte Build Log: http://www.stevemeadedesigns.com/board/topic/160030-2001-monte-carlo-my-16th-car-lol/page-2#entry25309381997 Tahoe Build Log: http://www.stevemead...oe-6-15-rf-15s/2001 Impala Build Log: http://www.stevemead...katzkin-inside/ Link to comment Share on other sites More sharing options...
Katt Posted April 5, 2011 Report Share Posted April 5, 2011 Would 1N914 Type Diodes work? I got 50 of them, Not saying i should use them all, but if i screw one up, i can use another. I will have to find a way on how this work's with a 1995 Plymouth Voyager. *06 330i - Sundern x12 - saz-3500* *91 Foxbody V1 S-Trim Notch* Link to comment Share on other sites More sharing options...
97SSBlazer Posted April 6, 2011 Author Report Share Posted April 6, 2011 Would 1N914 Type Diodes work? I got 50 of them, Not saying i should use them all, but if i screw one up, i can use another. I will have to find a way on how this work's with a 1995 Plymouth Voyager. Whats the amp rating of that diode? I went with 6 amp diodes. lower tuning is just hard. I was surprised how loud 145 sounds at 35hz, and how quiet 145 sounds at 50hz. -= 2005 Tahoe LT =-Head unit: Pioneer AVH-X5500BHSSource: iPad Mini in dash Subs: 2 T1 12's Sub Amp: T1500-1bdCPWire: Rockford Fosgate 1/0 awgSignal Cable: MonsterFronts:Stock Bose for now:)Rears: Stock Bose for now:)MIds/High amp: Stock Bose for now:) 2005 Tahoe Build Log: http://www.stevemeadedesigns.com/board/topic/172529-2005-tahoe-my-17th-vehicle/ 2001 Monte Build Log: http://www.stevemeadedesigns.com/board/topic/160030-2001-monte-carlo-my-16th-car-lol/page-2#entry25309381997 Tahoe Build Log: http://www.stevemead...oe-6-15-rf-15s/2001 Impala Build Log: http://www.stevemead...katzkin-inside/ Link to comment Share on other sites More sharing options...
Katt Posted April 6, 2011 Report Share Posted April 6, 2011 Would 1N914 Type Diodes work? I got 50 of them, Not saying i should use them all, but if i screw one up, i can use another. I will have to find a way on how this work's with a 1995 Plymouth Voyager. Whats the amp rating of that diode? I went with 6 amp diodes. Not sure, But this is what i got. http://www.radioshack.com/product/index.jsp?productId=2062587 *06 330i - Sundern x12 - saz-3500* *91 Foxbody V1 S-Trim Notch* Link to comment Share on other sites More sharing options...
97SSBlazer Posted April 6, 2011 Author Report Share Posted April 6, 2011 Those look really small. The ones I used were pretty large. lower tuning is just hard. I was surprised how loud 145 sounds at 35hz, and how quiet 145 sounds at 50hz. -= 2005 Tahoe LT =-Head unit: Pioneer AVH-X5500BHSSource: iPad Mini in dash Subs: 2 T1 12's Sub Amp: T1500-1bdCPWire: Rockford Fosgate 1/0 awgSignal Cable: MonsterFronts:Stock Bose for now:)Rears: Stock Bose for now:)MIds/High amp: Stock Bose for now:) 2005 Tahoe Build Log: http://www.stevemeadedesigns.com/board/topic/172529-2005-tahoe-my-17th-vehicle/ 2001 Monte Build Log: http://www.stevemeadedesigns.com/board/topic/160030-2001-monte-carlo-my-16th-car-lol/page-2#entry25309381997 Tahoe Build Log: http://www.stevemead...oe-6-15-rf-15s/2001 Impala Build Log: http://www.stevemead...katzkin-inside/ Link to comment Share on other sites More sharing options...
Katt Posted April 6, 2011 Report Share Posted April 6, 2011 Those look really small. The ones I used were pretty large. Oh well, i would think for them to work, maybe double up. But eh, not too woried about it, but would be nice to figure out. *06 330i - Sundern x12 - saz-3500* *91 Foxbody V1 S-Trim Notch* Link to comment Share on other sites More sharing options...
97SSBlazer Posted April 6, 2011 Author Report Share Posted April 6, 2011 Try it. I'll try to post a pic of what I used. lower tuning is just hard. I was surprised how loud 145 sounds at 35hz, and how quiet 145 sounds at 50hz. -= 2005 Tahoe LT =-Head unit: Pioneer AVH-X5500BHSSource: iPad Mini in dash Subs: 2 T1 12's Sub Amp: T1500-1bdCPWire: Rockford Fosgate 1/0 awgSignal Cable: MonsterFronts:Stock Bose for now:)Rears: Stock Bose for now:)MIds/High amp: Stock Bose for now:) 2005 Tahoe Build Log: http://www.stevemeadedesigns.com/board/topic/172529-2005-tahoe-my-17th-vehicle/ 2001 Monte Build Log: http://www.stevemeadedesigns.com/board/topic/160030-2001-monte-carlo-my-16th-car-lol/page-2#entry25309381997 Tahoe Build Log: http://www.stevemead...oe-6-15-rf-15s/2001 Impala Build Log: http://www.stevemead...katzkin-inside/ Link to comment Share on other sites More sharing options...
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