Part Location Diagram of WB18X23942 GE Spark Ignition Switch and Harness
See part 323 in the diagram
( Grid squares measure 1x1 inch )
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Spark Ignition Switch and Harness WB18X23942

Rated by 1 customer 

Easy 

30 - 60 mins 

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$ 56.02
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PartSelect Number PS11762396
Manufacturer Part Number WB18X23942
Manufactured by GE for General Electric
Troubleshooting
This part works with the following products:
Cooktop, Range.
Part# WB18X23942 replaces these:
WB18T10381, WB18T10410
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Customer Repair Stories
 Average Repair Rating: 3.3 / 5.0, 1 reviews. What's this?
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Sorry, we couldn't find any existing installation instruction that matched.
Replace GE Cooktop spark ignition switch and harness.
Unplugged electrical power to the cooktop unit.

Removed grills, removed burners (removed screws and electrical connectors to sparkers), removed knobs from gas burner controls, removed spill plate, removed insulation layer to expose/access existing wiring harness, transformer, and sparker control. Disconnected wiring harness from other connectors, grounding nuts, and sparker control box; removed light bar near five gas valves.

Snapped the five “valve positioners” off the valves individually in sequence using my hands and then started to snap on the new “valve positioners” in the same sequence as the ones that were removed. Note that the new “valve positioners” were black and the original ones were white. The bodies were at a slightly different angle but the guides to snap the new ones on worked well. Reconnected the new wiring harness connectors, grounding nuts, wires, etc.

Replaced the parts in reverse order to access the unit. Made sure surfaces, burners, and parts were cleaned and wiped down before putting it back together. Plugged the unit into power and it worked.

I determined what caused the wiring harness to originally fail was juices from food spilled on the area around the gas control knobs and ran down inside and got into the valve positioners that were on the gas control knobs. This lead to continually sparking.

Total time took around an hour but I had to do it twice because I needed to determine the model number of the cooktop to order the correct parts (manufacturer paperwork was folded up in the cooktop under the spill plate) and several weeks after getting the part, I had to access the unit to replace the part. My wife is happy.
  • Steve from KATY, TX
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Nutdriver, Pliers, Screw drivers
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Rand
May 22, 2023
Burner keeps sparking after the burner lights. Have cleaned all the build up around the electrode and contact spots. None of the other burners have this problem. Is the ignition switch the issue? The entire harness has to be replaced, not just the switch?
For model number ZGU385NSM
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Hello Rand, thank you for the great question. We have concluded that the issue is with the spark module. It controls the spark for lighting the cooktop surface burners. We recommend you replace the spark module, part number PS1480954, to fix the issue. We hope this solves your problem!

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Model Cross Reference
This part works with the following models:
PartSelect Number: PS11762396
Manufacturer Part Number: WB18X23942
Brand
Model Number
Description
General Electric
ZGU385LSM1SS
Cooktop - Gas
General Electric
ZGU385LSM2SS
Cooktop - Gas
General Electric
ZGU385NSM1SS
Cooktop - Gas
General Electric
ZGU385NSM2SS
Cooktop - Gas
General Electric
ZGU385NSM3SS
Range
General Electric
ZGU385NSM4SS
Range
General Electric
ZGU385NSM5SS
Range
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