1129313 Whirlpool Refrigerator Ice Maker Kit Round Plug is anâ OEM round plug-style â˘electrical connector supplied wiht certain Whirlpool ice maker installation kits. It functions as the â¤physicalâ interface between the ice maker assembly and the âŁrefrigerator wiring harness, providing the necessary power and signalâ connections while also offering a moisture-resistant seal at âŁthe connection point.
Inside the appliance the round⣠plug carries the âlow-voltage power and âcontrol signals used by the ice maker module and interfaces indirectly with the water inlet valve,harvest/heater circuits,thermistors or sensors,and the refrigerator âcontrol board. As a connector⢠component it preserves circuit continuity, reduces exposure of contacts to âŁthe freezer surroundingsand helps âŁprevent electrical faults caused by corrosion, loose pinsor moisture ingress.The â¤plug is typically found at the ice maker mounting â˘location inâ the freezer compartment or on the harness⣠routing to that⢠location and is critically important as aâ failed â˘or poorly seated plug willâ interrupt the ice maker’s control and fill/harvest cycles, leading âŁto no ice production or unsafe electrical conditions.
In the⣠following article readers will find a technical description of the plug’s âŁfunction and typical pinâ assignments, guidance onâ model compatibility and how to verify the correct 1129313 part⢠for a given refrigerator, common failure symptoms (open circuits, intermittent connections, corrosionand sealing failures), step-by-step troubleshooting procedures⤠including visual inspection and voltage/continuity checksandâ practical â˘replacement âconsiderations â˘such as required tools, âcorrect termination and sealing practicesand safety precautions (disconnecting power and water before service).The intent is⤠to give â¤technicians, engineers,â and appliance owners the diagnostic and replacement facts needed to ârestore reliable ice maker operation withoutâ speculative claims or marketing language.
table of Contents
- Function and Role⤠of the Ice Maker Round âPlugâ in Whirlpool Refrigerationâ Systems
- How the 1129313 Whirlpool Refrigerator Ice Maker Kit Round Plug Interfaces and Operates âŁWithin the Appliance
- common Failure Modes and Observable Symptoms of the Ice Maker Kit Round Plug Assembly
- Compatibility Matrix andâ Supported Whirlpool Refrigerator Models âŁfor the Ice maker Kit Round Plug
- Replacement Criteria,Required Parts,and Installation Notes for the Ice Maker kit round Plug
- Diagnostic Procedures,Multimeter Tests,and Troubleshooting Flow for the Ice Maker Round Plug
- Q&A
- To Wrap It Up
Function and Role of the Ice maker Round Plug in Whirlpool Refrigeration Systems
The 1129313⣠Whirlpool Refrigerator Ice Maker Kit Round plug functions as the electrical interface between the ice maker assemblyâ and the refrigerator wiring harness. It provides the routed conductors for the â¤ice maker motor, thermostat/thermistor, harvest â˘heaterand water valve control, âŁand⣠is designed to ensure correctâ pin alignment and polarity when mating with⤠the appliance harness. Depending on the refrigerator model, the plug may carry line-level switched power or low-voltage control signals;⢠therefore, confirmâ the appliance⣠wiring diagram before applying power or performing a replacement. In⤠practical service work, theâ round plug’s âmechanical keying and locking feature prevent incorrect insertion and⤠reduceâ the risk of intermittent⢠contact caused â˘by â¤vibration or movement â¤during compressor cycles.
Technicians commonly encounter âproblems caused âŁby â˘contact âcorrosion, âbent pins, âŁor heat damage to the connector housing â¤that manifest as intermittent harvest cycles, no water fillor a non-responsive motor. Diagnostic checks include â˘visualâ inspection for discoloration or meltedâ plastic,continuity and resistance checks across specific terminals,and live-voltage verification â(with the connector mated) âwhile exercising the dispenser/ice⤠cycle. For âreplacement or retrofit,match the⢠plug’s pin count,diameter,and âpin-out toâ the service sheet or OEM⣠harness; mechanical fit and cable strain relief are as important as electrical compatibility to prevent recurring faults in theâ field.
- Key features and swift checks: keyed locking housing, pin count/pin-out verification, visual contact inspection, continuity â˘and applied-voltage tests.
| Item | Description |
|---|---|
| Function | Provides the⤠multi-conductor electrical connection forâ motor, heater, thermostat/sensorand âwater âvalve circuits |
| Typical signals | Switched supply andâ control-level signals; confirm voltage type and values from the model wiring diagram |
| Diagnostic check | Inspect for physical damage, measure continuity on cold â˘connectorand verify expected voltage on live cycle with connector⣠mated |
How the 1129313 Whirlpool Refrigerator Ice⢠Maker Kit Round Plug Interfaces and Operates⣠Within the Appliance
the 1129313â Whirlpool Refrigerator Ice Maker Kit Round Plug⤠serves as the electrical interface between the iceâ maker assembly and the refrigerator’s âwiring harness. âthe round plug houses multiple conductors that carry power, groundand control signals for the ice-maker⢠motor/harvester, the âŁwater fill solenoid, the heater or defrost element (if⣠present in the assembly)and the ice-level or thermostat switch. mechanically the plug is designed to locate and lock into a mating socket in the⣠freezer compartment, provide strain relief for the wires, â¤and maintain pin alignment to ensure correct polarity and signal integrity. OEM â˘fitment minimizes pin misalignment⤠and ensures the harness pinout matches the refrigerator control board âand service schematics âfor compatible Whirlpool models.
During a freeze-thaw cycle theâ refrigerator control board energizes specific pins on âŁthe round plug to sequence the ice-maker: motor drive for the auger/harvester, a⣠timed fill for the valveand a sensing input âfrom⣠the cut-out â˘thermostat or optical/arm sensor.Diagnostic troubleshootingâ typically focuses onâ continuity, voltage⤠presence at the appropriate plug pins during the expected cycleand visual inspection for corrosion or bent pins that cause intermittent operation. common failure modes⢠include broken wire insulation at the plug bend point, oxidized contacts that increase resistance, âand connector⤠locking tabs that no longer retain positive contact. Disconnect power before probing âthe connector. For bench testsâ consult the service⣠manual â˘for exact pin assignments â˘and rated voltages; technicians commonly use a multimeter⤠to verify continuity and energized circuits and âreplace the plug or âharness when contacts â¤fail.
- Typical signals present at â¤the plug:⣠motor drive, fill-valve control, thermostat or sensor returnand ground.
- Visual checks: secure â¤latch, no pin deformation, no moisture or corrosion inside the connector cavity.
- Diagnostic checks: continuity on â˘motor/harvester pins, âvoltage presence during âice-making cycleand insulation integrity.
| Item | Description |
|---|---|
| Motor/Harvester | Drive circuit for ejecting ice; energized by the control board during the â¤harvest phase. |
| fill Valve Control | Switches the water inlet solenoid; timed by theâ control board to refill the tray. |
| Thermostat/Sensor Input | Returns the ice-maker⣠ready/state signal to the control board to stop/start cycles. |
| Ground/Power | Commonâ return and supply paths; âexact voltagesâ and pin locations follow the appliance service documentation. |
Common Failure Modes and Observable Symptoms⢠of the â¤Ice Maker Kit Round Plug Assembly
The 1129313â Whirlpool Refrigerator Ice⢠Maker Kit Round Plug isâ the multi-pin connector that links⣠the ice maker module⤠to âthe refrigerator’s wiring harness, carrying power, common/ground, water-valve â˘command, harvest/heater circuits and sensor lines. Common failure â˘modes for this round plug include pin corrosion from moisture intrusion, mechanical deformation or broken pins from strain during service, insulation chafing that shorts adjacent contactsand localized overheating âwhere high contact resistance raises temperature and melts housing plastic. These failures alter the expected continuity or âvoltage on individual conductors, so the ice maker may receive partial orâ no signals even when the main harness and ice module appear functional.
Observable symptoms â˘that point to the connector rather than the ice maker motor or solenoid include⤠intermittent cycling, complete⣠loss of⤠fill or harvest actions, erratic timing between harvest cycles, visible discoloration or melting at the plugand â˘aâ warm connector under load. A practical diagnostic approach is to visually âinspect the â¤plug for corrosion or bent pins, â¤measureâ continuity and voltageâ at the matingâ contacts with the harness disconnectedand verify resistance of heater and valve circuits against the service manual values.In field repairs technicians âŁcommonly clean and reseat the connector to confirm symptom resolution; â˘however, bent pins, broken âcontacts,⣠or thermally degraded housing typically require âreplacement of the round plug assembly to restore reliable operation.
- No ice production orâ intermittent âice productionâ despite correct supply voltages⤠elsewhere
- Connector discoloration, melted plasticor warm-to-touch plug under normal operation
- Partial trayâ fills, â˘long harvest cyclesor failure of the âheater/release âfunction
| Item | Description |
|---|---|
| Power/Line | Supplies operating voltage⤠to the ice maker control electronics |
| Common/ground | Completesâ circuits for motors, sensors and solenoids |
| Fill valve / Heater control | Command signals for the water inlet solenoid and the tray heater during harvest |
Compatibility Matrix and âSupported Whirlpool Refrigerator Models for the Ice Maker Kit Round Plug
The 1129313 Whirlpool Refrigerator Ice Maker Kit Round Plug is â¤a circular âmultiâcontact connector used to deliver⤠power âŁand control âŁsignals between the ârefrigerator harness and the ice makerâ assembly. In technical terms, the round plug carries âline voltage for the ice maker heater and motor, a thermostat/input for harvest cycle terminationand a commonâ return. The plug is mechanically keyed so orientation is⤠fixed and⢠many designs include âa locking ring or retention clip to prevent disengagement âduring service or vibration. For service technicians, verifying the connector face (shape), âpin count, â˘and wire color/function mapping is the first step to confirming compatibility before swappingâ the ice maker or harness.
Compatibility is steadfast by electrical pinout, physical mating geometryand the control signal set used by the refrigerator’s control system; models that share the same roundâ plug standard will accept the 1129313 kit only if those three criteria match. to practical effect, technicians should compare the â¤existing harness connector to the replacement: measure continuity on each⤠wire to confirm functions (motor, heater, thermostat), inspect âthe retaining mechanismand verify nominal voltage (commonly 110-120 VAC for Northâ american mains⤠models). when in doubt,crossâreference the refrigerator’s parts diagram or service manual to confirm the harness⣠and ice maker part numbers match the replacement kit before installation.
- Check⣠pin count and orientation against⢠the original connector.
- Verify wire â¤color codes and continuity to expected functions (motor, heater, thermostat/signal).
- Confirm physical retention mechanism (clip, ring)⣠toâ ensure a secure mating.
- Compare â¤service â¤manual part numbers â¤or OEM compatibility tables when available.
| Item | Description |
|---|---|
| Connector type | Round, keyed multiâpin plug with retention ring or clip |
| Pin count | Varies⣠by model; verify against harness (2-4 contacts typical) |
| Typical voltage | Nominal 110-120 VAC for North â˘American ârefrigerator ice maker circuits |
Replacement Criteria, Required Parts,⢠and Installation Notes for the Ice Maker⤠Kit âŁRound Plug
The 1129313 Whirlpool Refrigerator Ice Maker Kit Round Plug is a replacement harness/connector assembly used to interface the âice maker moduleâ with the refrigerator’s cabinet âŁwiring. Technically, the âŁround âplug provides âa keyed multi-pin â˘electrical connection that carries control power, harvest heater or motor powerand sensor/thermostat signals; common failure modes that justify replacement include bent or corroded pins, broken housing latches that allow âvibration-induced disconnectionand insulation damage from water or heat. Confirm replacement when continuity checks fail across expected pins, when resistance rises above âmanufacturer tolerancesor when â˘physical inspection reveals melted âplastic âor exposed conductors; verify model⢠compatibility byâ cross-referencing the refrigerator model⢠number and harness orientation before⣠installing â¤the â¤part.
- compatibility: keyed round plug âmating pattern-match pin count and wire color coding to service⣠schematic.
- Failure âsymptoms: intermittent harvestâ cycle,â no â¤motor/valve actuation, visible corrosion or loose pins.
- Tools/consumables frequentlyâ enough required: multimeter, smallâ terminal pick, dielectric grease, heat-shrink or sealed connectors.
Replacement requires basic electrical troubleshooting and standard safety⣠precautions: disconnect power and⣠water supply before removing the ice maker and disconnecting âŁthe harness. During⣠installation seat the round plug fully into the â¤mating connector to engage all retention tabs and check for correct pin âalignment; secure any strain reliefs âŁand âroute the harness away from sharp edges and heatâ sources to prevent premature failure. Afterâ reassembly, verify proper function by measuring expected control voltages at the plug (refer âto â˘the model’sâ service manual-harvest and heater circuits are commonly 120 VAC on many units) and run a diagnosticâ or manual harvest cycle to confirm that the ice maker responds and that there are no intermittent connections or water leaks at theâ connector.
| Item | Description |
|---|---|
| Part number | 1129313 Whirlpool refrigerator Ice Maker Kit Round⤠plug |
| Connector type | Keyed multi-pin round plug, OEM mating pattern |
| Typical voltage | Model dependent; common harvest/heater circuits are 120 VAC-verify with service manual |
| Common failure symptom | Intermittent operation, no actuation, visible corrosion or broken latch |
Diagnostic Procedures,â Multimeter Testsand Troubleshooting Flowâ for the Ice Maker Round Plug
The 1129313 Whirlpool Refrigerator⤠Ice maker Kit âRound Plug is⢠the removable electrical⤠interface thatâ carries⢠power and control signals between the refrigerator harness and the â˘ice âmaker module.The round plug provides keyed contacts for the motor/actuator, harvestâ heater, fill valveand any temperature-sensing element so technicians can â˘quickly disconnect or replace the ice maker assembly. Compatibility can vary by model series and production year, so verify the connector pin assignment and harness compatibility against theâ service diagram before assuming interchangeability; common failure modes observed at the plug include high-resistance â˘contacts, bent pinsand corrosion that produce intermittent harvest cycles, failed⣠fillsor loss âof motor drive.
Troubleshooting follows a logical flow: inspect⤠the plug andâ harness for mechanical damage âand corrosion, then use a multimeter to check continuity, winding/heater resistance, thermistor value versus â¤ambient temperature,⢠andâ applied voltages during the appropriate cycle (harvest or fill). Measure continuity with⤠power removed; measure voltage⢠only with power applied and with the âŁcompressor/controls in the relevant cycle.⤠Practical examples: an open heater winding or infinite resistance at the heater pins indicates heater â¤replacement, while correctâ heater resistance but no applied voltage points to a control or harness âissue. Use the list below for a quick diagnostic sequence and consult the table for typical reference ranges â¤that â˘guide pass/fail decisions for the most commonly tested items.
- Visual inspection: âcheck for corrosion, broken locksor pushed-back contacts on the round plug.
- Continuity testâ (power off): verify pin-to-pin continuity between plug and ice maker â˘PCB; â˘check motor/heater windings âŁfor low-ohm continuity.
- Resistance test (power off): measure thermistor atâ ambient temperature and compare⤠to model reference or expected NTC curve.
- Voltage test (power on, during cycle): confirm the control applies voltage to heater/motor/fill valve only during the expected cycle.
- Isolate fault: if harness shows voltage but the ice maker⤠does not operate, âreplace or clean the round plug; âif no voltage, followâ control module diagnostics.
| Item | Description |
|---|---|
| Motor/Heater Resistance | Typically low resistance âŁ(tens to low hundreds of ohms); open circuit indicates a failed winding or heater. |
| Thermistor | Many models use an⣠NTC deviceâ ~8-12 kΊ at 25°C; verify against the âspecific service sheet for exact values. |
| Appliedâ Voltage | Control-applied âvoltage varies by design: logic/signal voltages â¤are low DC (a few⢠volts to ~12 V), while actuator/heater circuits might potentially be switched line voltage on some models-measure during the proper⢠cycle and consult âthe model schematic. |
Q&A
What refrigerators is the 1129313 Whirlpool Ice maker Kit (round plug) compatible âwith?
1129313 is âŁan⤠OEM Whirlpool-style ice maker used in a range of Whirlpool,Maytag and Kenmore refrigerators that âaccept the round multi-pin â˘plug. Compatibility depends on the refrigerator model and theâ harness/connector⤠style. Always confirm fit by checking your refrigerator model number against the part number in â¤the manufacturer’s parts list or an authorized parts supplier before ordering or â¤installing.
How do I identify the âround plugâ and no if I âhave âthe right connector?
The round plug refers to â¤a circular multi-pinâ connector⣠on the ice maker that mates with the refrigeratorâ wiring harness. Visuallyâ inspect the existing ice maker connector: if it is a circular/cylindrical multi-pin plug (not⢠a flat blade or square plastic connector), it is likely the â¤round-plug style.⤠If uncertain, take a clear photo of the connector or the old ice maker wiring harness and compare âwith the replacement part listing or ask â˘a parts specialist.
Can â¤I install the 1129313 myselfand what⤠are theâ basic installation steps?
Yes, a competent DIYerâ can install it, but always disconnect power and turn off the water supply first. Basic steps: 1) Unplug refrigerator or switch off itsâ breaker andâ shut off âŁwater line. 2) Remove theâ old ice maker (usuallyâ by unscrewing 2-3 mounting screws âand disconnecting the âround plug). 3) Plug the new 1129313 unit into the round harness connector. 4) Mount the new ice maker with the screws âin the same position.5) Turn the water and power back âon, then run a test cycle (see manufacturer test/reset procedure). If the connector does not match,do not force it-stop and verify compatibility or get âa correct harness/adapter.
How do I â˘test the new ice maker after installation to make sure â¤it’s working?
After restoring power and water,use theâ ice maker’s test/reset function (many units have a âsmall test âbutton) or follow the service manual procedure to initiate a⤠harvest/fill cycle. If there is no test âbutton, a common method used by technicians is to shortâ the test and âŁmotor/cycle⣠terminals briefly (refer to the appliance wiring âdiagram for exact terminals). Check that the fill cup receives water and that the motor runs. Also confirm the freezer temperature is at or below about 0°F (-18°C), because ice makers won’t cycle properly at warmer temperatures.
What are common âreasons the ice âmaker won’t fill after replacing it with part 1129313?
common âcauses: water inlet valve failure (no water pressure to ice maker), frozen âor kinked water line, low/freezer temperature too â˘high, clogged water⢠filter, faulty wiring or connectoror the ice maker not being âswitched to ON. If the round plug doesn’t make good contact, the ice maker won’t receive power or signals. Test for 120 VAC at the harness (only if you are⢠cozy and safe doing âlive measurements) or check continuity on motor and thermostats⣠with power â¤off. Troubleshoot the inlet valve and water âsupply before replacing the newâ ice maker.
Is it safe to splice the refrigerator harness to âmake the round plug âfit if âthe connectors don’t match?
Splicing is possible but not recommended as â˘the first option. Best practice is to obtain theâ correct OEM wiring harness or an approved adapter âso connections match factory⣠specifications. If you must splice, turn off power, use⣠proper âŁinsulated connectors, match wire colors and functions, âŁand secure waterproofing where needed. Improper splices can led⣠to poor connections, arcingor failures and may void warranties-prefer an OEM harness whenever possible.
How⢠can I diagnose whether the ice âmaker⣠itself is bad versus the water inlet valve or freezer temperature issues?
Diagnosis steps: 1)⤠Check freezer temperature â should be aroundâ 0°F â(-18°C) for reliable ice â¤production. âŁ2) Manually âinitiate a test cycle; if motor runs andâ water does not fill,suspect the water inlet valve or supply. 3) If motor does not run and there â˘is power to the â¤harness, the ice maker is likelyâ defective. 4) if no power at the âharness, âtrace wiring â˘and door switches. â5) Inspect for ice or⣠debris blocking the ejector or fill tube.Use a multimeter to check â˘continuity on the ice maker motor and thermostat (power off) and toâ check for voltage at the harness (power on, with caution).
Are⣠there any safety or warranty considerations I should know about when replacing the ice maker with part 1129313?
always disconnect electricalâ power and water before working on the refrigerator. Use replacement parts recommended by the manufacturer to avoid compatibility and safety issues. âIf your refrigerator is under warranty, âreplacing parts yourself may void certain portions of the warranty-check warranty terms first. If you are uncomfortable with electrical testing â˘or⢠water connections, hireâ a qualified appliance technician. Keep the old part and packaging until you confirm the ânew ice maker works,in case a return is needed.
To Wrap it Up
The 1129313 Whirlpool âRefrigerator Ice Maker Kit Round Plug serves â˘as a critical component that enables reliable ice production by providing the necessary electrical connection and compatibility between the⤠ice maker assembly andâ the refrigerator’s wiring harness. Properly âŁfunctioning, this kit contributes to consistent ice output, helps maintain appliance efficiencyandâ supports safe operation by ensuring secure, manufacturer-specified connections.
As symptoms such as âŁaâ lack of ice, intermittent operationor electrical faults can stem from a variety of causes, accurate diagnosis is⢠critically important before replacing parts. Confirming â¤that the round plug is the sourceâ of theâ problem-and that anyâ replacement part is â˘compatible with the specific refrigerator model-helps avoid needless⣠expense and prevents repeat failures. when diagnosis indicates the kit is faulty,â timely replacement or service by a qualifiedâ technician⤠restores performance and reduces the risk â˘of further appliance damage.
the 1129313 round âplug ice maker kit plays an â˘essential, if sometimes â¤overlooked, role in the ice-making system. Careful assessment and appropriate replacement, when warranted, help ensure reliable long-term operation and maintain the integrity of the refrigerator’s ice-making function.
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