In medium saucepan, heat sugar, salt celery seed, mustard seed, vinegar and red pepper to boiling; boil 2 mins.
Remove from heat; stir in corn (with liquid) and remaining ingredients.
Pack relish in hot, sterile jars, leaving 1/2 inch headroom. Wipe down jar rims; and seal lids.
Cool and refrigerate several days to blend favors.