2000 s10 security light always on no start

[Chevyowner1234]

I recently got a 2000 chevy s10 LS 4.3 v6 4wd that wont start it cranks no problem everything else works but the security light is always on it never flashes its solid i have tried the relearn procedure 10 times nothing i have scanned it for codes got none i have tried putting a ziptie tip in the passlock plug in and nothing i have found a forum that is having the same issue but they did the resistor and it didnt work for them i dont know what to do to fix it and get it to run i dont have the money and dont want to take it to the dealer so dont suggest that if you know how to fix it please let me know thank you.