hambone138

hey guys i asked a similar question before and hope you guys can answer it. my fathers truck wont start i have checked everything and the sympton is no spark. i need to test the icm which i think is the problem but i dont know which pins to check together. i just want to make sure its bad before i try to replace it, hopefully im troubleshooting the right part. its a 93 ford ranger 4 banger. if you guys have any info please let me know.

thanks guys