roc585 Posted November 6, 2016 Report Share Posted November 6, 2016 (edited) im new to this forum and im looking for some help for my install has anyone ever installed a mechman alt on a 2015 or newer yukon denali? i put 1 in already and it went bad(loud humming noise) in about a week. so i sent it out and mechman fixed it but the rep said i had it grounded wrong? he said you ground the newer style trucks different??? right now i have 1 yellow top optima battery up front luckily there was a empty spot for it and i still have the factory battery i ran 0 gauge from the positive on the factory battery to the yellow top then i grounded the optima battery to the frame then i ran 0 gauge from the alt positive to factory battery and grounded the alt to the factory battery with 0 gauge also what am i doing wrong ??? i couldnt understand what the rep was saying about the grounding issue! sorry if so confusing i tryd to explain it the best i can.... also would like to know how many batterys would someone run for my system? looking to use xs batterys in the back .should i take out the factory batterys and yellow top optima? if you think i should add somthing or somthing is wrong with my set up im all ears!! pics coming soon! i have..... 4 1000/1 slash v2 jl audio amps 2 600/6 jl audio amps 4 13.5 w7 jl audios 6 6*9 jl audios 4 6.5 jl audios 1 audio control LCQ-1 sound processor factory head unit Edited November 6, 2016 by roc585 Quote Link to comment Share on other sites More sharing options...
Nathan DM Posted November 8, 2016 Report Share Posted November 8, 2016 I would probably suggest calling Mechman back and asking them. I am sure they went over how to ground it and didn't just leave it at " you ground them different". Quote Link to comment Share on other sites More sharing options...
hayabusaboi06 Posted January 30, 2017 Report Share Posted January 30, 2017 I have a 2010 Tahoe with a 270 mechman. I spoke with someone from mechman and he told me not to ground to the frame. he said run my 0gauge ground from the alt ground stud through that sensor ring to my battery negative post and when I install my second xs d3400 on the driver side to run positive to positive and negative battery to negative battery so the pcm sees the current draw. he also stated to run my amp grounds directly to my battery also not to the frame so the amps current draw is also read by the pcm. Quote Link to comment Share on other sites More sharing options...
reedal Posted January 30, 2017 Report Share Posted January 30, 2017 33 minutes ago, hayabusaboi06 said: I have a 2010 Tahoe with a 270 mechman. I spoke with someone from mechman and he told me not to ground to the frame. he said run my 0gauge ground from the alt ground stud through that sensor ring to my battery negative post and when I install my second xs d3400 on the driver side to run positive to positive and negative battery to negative battery so the pcm sees the current draw. he also stated to run my amp grounds directly to my battery also not to the frame so the amps current draw is also read by the pcm. Correct Quote SMD Tool Map https://www.stevemeadedesigns.com/board/topic/193176-smd-tool-map-new-november-2014/ Build log https://www.stevemeadedesigns.com/board/topic/197217-reeds-03-tahoe-hat-sqaq-singer-xs-shca-cockbox-80prs/?page=32 Link to comment Share on other sites More sharing options...
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