1989 S13 failed for not having a CEL
 

I've got an '89 S13 KA24E that I have to smog again in CA, but was bought out of state way back when

Never had an issue prior, but this time a particular smog tech failed me for not having a check engine light on my dash. I assured him my car never came with one from the factory, but he refused to take my word for it

Any way I can legitimately prove it to him or just eat the failed smog test and take my business elsewhere?

Uh...maybe show him that OBD1 wasnt introduced till 1991? It's all over the internet

show him the factory user manual...i may have one on my shelves if need be...