im new need help with car not starting

[661s13]

i have a s13 coupe and did a auto too manual swap and drop a better running single cam ka in and it wont start theres no power too my computer no power too my enjectors and no power too my starter. i got good grounds and good positive some ine help me out

[japside4life]

i would check all you connections at the battery, if you have a good connection there you should have power to your starter atleast