This 2003 Rusty Chevy Silverado has been intermittently refusing to crank the engine. But now it seems COMPLETELY broken...and also the battery is dying overnight!

Place your bets now...corroded ground? Rodent damage? Blown fuse? Could be ANYTHING!

Let's follow the wiring diagram and a logical approach to pinpoint this issue. The root cause was not expected at all...

MAGIC TEST LIGHT:
https://www.amazon.com/dp/B000M5ZWBA?...

THINKTOOL PROS:
https://www.amazon.com/dp/B08XXWHQVJ?...

ASTRO DVOM:
https://www.amazon.com/dp/B07FDBW1PT?...

ASTRO DC AMP CLAMP:
https://www.amazon.com/dp/B08MTCMWLB?...

Enjoy!
Ivan