all relays check ok-2powers-2grounds-backfeeds thru asd relay and trans relay-unplugged all wiring to engine powertrain and still beck feeds-only stops when ecm or main power is disconnected-ecm center plug is only own that shut off backfeed-no wires are pinched or scored- all connectors look good and clean- fuel press 0k- no spark- also throws A/c coil no matter whether the A/c selector is on or off. Computer has been replaced. Does the alternator have to been in line for the vehicle to start. Have not checked the alternator yet. Thanks Jim
Mar 21, 2008 at 3:06 PM
