How to Troubleshoot & Replace Whirlpool AP4009661 / 12002792 Ignition Switch With Shield (Surface Burner), Single

Could not find any video or instructions. Cut power shut off gas. Removed both doors to lighten the weight. Pulled stove out. 2 screws in the front above the door hold the top down. That only allowed you to peek in and could not pull it forward. Removed 2 back panels where I found the tag with the model number (none on the front or the door) hiding, and discovered a gas line connected to the top. Removed gas line, allowing top to slide forward only a couple of inches. Found a wire bundle going to the spark control unit. Labeled all the wires (8) . Pulled the top exposing the burner control valve and ignition switch. Had to remove 2 screws and 2 valves to allow the switch assembly to be removed. Careful, the rubber seals on the gas valves and the screw holding them in. Ordered parts and installed replacement parts and reversed order. It took a lot of time to figure out how to get it apart. about an hour to replace parts and reinstall the top. 

Replaced the ignition switch assembly. It would have been extremely easy, except that the screw heads were stripped on that burner. It took a LOT of effort to remove the screws, so we could lift the stove top. Once accomplished, replacing the assembly was very easy. My S.O. got the screw heads off, so we could lift the top. But the screws were still totally stuck. I would have bought a new orifice with spark assembly, but my father managed to get the screws out (bored a big hole, put in a bolt, and bored a screw-sized hole in the bolt - wow!). 

Had to replace 2 burner holders and a burner top because holding screws had to be drilled out due to rust deterioration. replaced all igniters at same time. 

We've had this range for several years and love the gas cook top with dual electric ovens with convection bake. I've looked and could not get another like it for an affordable price. Some of the burners stopped lighting from the igniter and an oven element was sagging. The diagrams and associated parts list made it easy to locate the correct parts. Delivery was faster thank I expected. I had the repairs done and the range back to 100% before my wife had a chance to roll her eyes. I documented all my notes, parts, model numbers, etc. With confidence that I can manage future repairs, I look forward to keeping this range in service for years to come. 

Unscrew burners from stove top (two had to be drilled out because the screws were rusted beyond saving). Disassemble stove top. Unplug and replace switches. Drill and tap four holes before replacing burners. Finished with all new control knobs. Works great! 

Replaced ignitor control assembly/harness. FYI. The new part is revised. It has no metal parts contacting the gas valves like the old part, which caused the short to ground and the fire. Scary dinner that night. 

Replaced the ignition switch manifold. This repair takes about 45 minutes. 

I replaced it using your awesome part. Just what I needed. Not too taught to replace either. Thanks 

Put in new one. 

Replaced