There are a few things that can be wrong bad battery connection will allow low amp power but fail under a large load like starting. disconnected or frayed starter wire bad starter bad starter relay bad starter solenoid bad ignition switch
Ashort in the wiring/ brain could be fried
Does it turn over? Does it turn over?
no power to the other componets it is connected to... ex.) a.c. wont work... and car wont start either probabley
How do you know that it is your car?
It wont start
Connect the power and unlock the shut drivers door with your key.
Your car wont start. lol
use jumpers
What have you welded ?
how does it stall if it wont start?
if the car does a click like it is going to turn OS but wont then yes it is the starter
The ECM will not power the PGM-FI main relay (Fuel pump relay) after it detects an accident.