Welding DISASTER... (Bonus Part 4 - NO CRANK AFTER REPAIRS??)

Customer is on his way to pick up his restored 2010 Chevy Cobalt beater.... but now it REFUSES TO CRANK!!! WHAT? I thought I was done with this car! Let s see what the issue is now, and if it s related to any of the previous repairs. This car is driving me NUTS!! MAGIC TEST LIGHT: https://www.amazon.com/dp/B000M5ZWBA?linkCode=ssc&tag=onamzpineholl-20&creativeASIN=B000M5ZWBA&asc_item-id=amzn1.ideas.UKPVIGM4POWZ&ref_=aip_sf_list_spv_ofs_mixed_d_qv_asin TS 100 SOLDERING IRON: https://www.amazon.com/dp/B07SQDZ9SV?linkCode=ssc&tag=onamzpineholl-20&creativeASIN=B07SQDZ9SV&asc_item-id=amzn1.ideas.H4433MU1BH5V&ref_=aip_sf_list_spv_ofs_mixed_d_qv_asin MEGA DEAL... THINKTOOL PROS: ******TOTAL $270 OFF!!**** USE CODE: BIGGA4NX https://www.amazon.com/dp/B08SWH2KP4?linkCode=ssc&tag=onamzpineholl-20&creativeASIN=B08SWH2KP4&asc_item-id=amzn1.ideas.NHZL00NIDEPF&ref_=aip_sf_list_spv_ons_mixed_d_asin Enjoy! Ivan