Locations of Gas Oven Ignitor
 

I picked up Part no. 12400035 ignitor. I do not know where to find the part in the oven to remove and replace with this part no. I read about the GE was located under the oven bottom panel. Is this the same location to replace the part for the Tappan, I purchased this stove 11/3/1989. Pleas Help. Thank you.