Whirlpool Range Bottom Element not Heating

I have an oven with a lower element that does not heat up at all. The top/broiler element does function just fine.

I replaced the bottom element hoping it would be that simple of a fix, but still no luck. I just pulled the range out & took off the back panel covers and all the wiring appear excellent - no melting, broken insulation, etc.

What else would it be?