GE Monogram Gas Cooktop – Igniters not working after water spill

GE Monogram Gas Cooktop (ZGU385NSM2SS).... We spilled water on the knob area and shorted out the wire under one of the knobs.  Not knowing what it was, I initially replaced the igniter and transformer.  I got some initial spark, but then saw smoke coming up from the wire under the control knob and everything stopped working again.  I have now replaced the wiring harness and still aren't getting a spark.  Is there a way to know if it is the spark igniter or the transformer which is the likely problem?  I can replace both again but would prefer obviously to replace just the part most likely to have been affected by the short.