'87 TBI Silverado help

[GimmieBoost]

My friend's truck is throwing a CEL and I need help figuring out how to read the code. I know I can use a paper clip at the diagnostic port. I just don't know which pins to connect and I can't find a code chart either.

Thanks!

 

[Blkvoodoo]

Google is your friend !!

http://autorepair.about.com/library/ts/obd-i/bl-dtcs-25.htm?once=true&

took all of about 4 minutes to find it, " GM OBD Diagnostic 1987 "

 

[GimmieBoost]

Thanks!