6T9CHEV

anybody have some insite on a no start issue with a 2007 Tahoe, 5.3, 4wd, LTZ. turn key on everything powers up but no crank or start... cleaned every gnd we can find, changed BCM, PCM, ing sw, pos bat cable. starter confirmed good by old school jump. even with old school jump no eng start. introduced raw fuel into TB and still no start so no fuel or ignition during key turn to start pos...

the_merv

iTrader: (88)

I hope you checked Fuses and Relays before all that..