im pretty sure like 90% of the s10 frames from first gen to 2nd gen are the same (2wd) ..... i have one sitting here is you need one .... not sure about a code though? Im sure someone with more knowledge about this situation will respond ..... but im almost positive it has one, ill ask a friend of mine who has an 89 rolling chasis and ask him to look ...... my email is
minitruckin330@aol.com.... email me and i can get back to you if someone else doesnt