How to Troubleshoot & Replace Whirlpool AP6011524 / WP7739P122-60 Knob, Fan Switch (Blk

The instructions on the new switch did a pretty good job of accounting for differences. However, there's one thing in the instructions that threw me off, and by the sounds of it others here too: the piggyback connection to L2. The instructions say those red wires need to be separated. In the case of my cooktop, it was a piggyback connection but a different setup: it was just power in, sharing to the right rear burner switch. So that stays as it is on L2, and the other single red wire that goes to the element limiter goes to 2. The other thing that wasn't clear to me was whether to use a jumper (provided), since my old switch didn't have it. Looking at the diagram, I put it on since all that jumper does is give power to the switch's "on" light. Everything works great. I took extra care to note the wire colors and pole labels before pulling out the old switch, and I'd suggest you do the same. 

Replaced 

Searched parts diagram found that the grill was no longer available. I then crosschecked parts list of other brands. Found that the Maytag company sold the same unit and they had the part under their brand. The color of the grill was different than the one Jenn-Air cooktop sold with the unit when it was new. But I feel it looks better and the fit was identical. 

I took a pair of pliers and pulled the old switch off and popped on the new one. Couldn't be easier. Exact replacement parts for both items. 

Be careful not to tighten or twist the small hex nut in the knob cylinder/housing with force. there is a very small plastic set tab that can be broken off easily. how do I know? The orientation of the switch "box" is horizontal instead of vertical. otherwise, this replacement part # works as expected. I couldn't get the switch to attach plate removed, and the switch removed, without removing the entire cooktop and removing the top glass burner cover. Not difficult, but time-consuming. 

DIY 

Removed the old knob and replaced with the new one. The old one was getting stuck and we could use the fan. It was great to use the website for AppliancePartsPros. Quickly I found the part. Thanks!! 

Took out stove top, took off glass top, replaced switch. Easy job 

Ordered the parts, received them in 2 days, installed them in 2 minutes, and all is fine. Could not have been a better experience. 

Replaced old, damaged and/or dirty parts.