Quote:
Originally Posted by MBellRacing
Ah, makes more sense. That would be surprising, right? Maybe I'm misunderstanding. It can fire up and crank off its own power but can't diagnose whether or not the DME is there unless plugged in?
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I've had issues with diagnostics at lower power. So, it's a cheap and easy check to see if voltage drop is causing your DME not to post.
I wouldn't put high odds on this, but it's worth checking.