soundstream15 Posted October 3, 2015 Report Share Posted October 3, 2015 Would it be ok to ground in the tire well? I'm using a nut and bolt. It's on a 08 grand prix Link to comment Share on other sites More sharing options...
everybodyknowme Posted October 3, 2015 Report Share Posted October 3, 2015 The vm-1 is a pretty accurate tool so I would stick with those numbers. Even if you wired it directly to the amp you might see the 14v that the dmm reads which only gains a couple tenths of 1v. Long story short, you are still going to need a bigger alt ASAP to hold voltage to at least the pcm specs. Link to comment Share on other sites More sharing options...
Clownrock95 Posted October 3, 2015 Report Share Posted October 3, 2015 Pictures and\or more information would be helpful but from what I'm understanding (and what i understand to be a good ground) I would say no Link to comment Share on other sites More sharing options...
rockFord_Expedition Posted October 3, 2015 Report Share Posted October 3, 2015 I wouldn't. Old School/New School RF Build March 2015 SOTM Winner How to crimp large wire Link to comment Share on other sites More sharing options...
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