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Mullion heater connection for Amana 84" Integrated bottom mount refer model B136CAR3 mfg P1318402W.

I need to hook up the mullion heater that is under the freezer, component P/N 12401301. But I cannot find the mullion heater connection point. According to the specs it's installed in the foam and not wired from the factory and is for service purposes. The reason for this is that the water from the defrost cycle re-freezes and clogs the drain hole. Eventually the ice gets almost an inch thick and it's SOLID. The freezer drawer cannot open, so I have to thaw it all out and pry it open. I've done this dozens of times over the years! The service tech never figured it out. But with help of my boat-refer-expert brother we found the solution at the high level. Devil is in the details. According to the instructions: make a slit and peel back the white vinyl harness sleeve that goes to the water valve, pull out two wires (black and white) that aren't connected to anything (yet). Then "locate the mullion heater leads at the left side of the cabinet and connect to the back and white leads". Then Wrap vinyl sleeve with electrical tape to seal the slit. OOOOOKAY.... I found the unconnected leads in the harness that goes to the ice maker water valve. They have male bullet style plugs and clips (a little corroded) but I cannot find anywhere to connect them... Is left side of the cabinet as viewed from the front or back? The main harness is on the left rear area. And if I make the slit long enough (which is very difficult, then the wires could make it back there. If I only could find where the mullion heater's connectors come out. Of course the wiring diagram only shows the mullion wiring as optional and not connected to anything. I really do not want to lay this 500lb (at least) beast on it's side. It already fell on me and my daughter, but a countertop and pallets save us. This refer has been nothing but a pain to deal with ever since I bought in 2001. I don't want to get rid of it, since it has custom wood panels that go with our kitchen, and I fell on hard times (due to illness) and cannot afford a new one. It fixed many things on it already. Such as the problem where the relays weren't soldered properly onto the main logic board, which fixed the non-defrosting problem and the freezer fan not working. But now the drain hole plugs with ice. So I read that many freezers have a 5W to 20W heater that runs all the time to keep the hole from freezing. Especially if water gets in the insulation under the floor of the freezer. Anyway, can anyone tell me how to find the connections to the mullion heater? Is it in the outside-rear channel up back of the refer? it's pop-riveted on. Thanks! Scott

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

Master_Tech
  • 770 Answers

SOURCE: Ice Maker installation

the im will only fill when the fingers are at the 12 o;clock position TO cycle your IM ...remove the cover and insert a jumper wire in the T and H holes once you hear a faint click or after 15 sec remove the jumper the im will continue to rotate when it hits (the fingers) the 12 o'clock spot the fill valve is energize for 7 sec then the finger come to rest and stop at the 2 o'clcok position..Let me know if you need more info

Posted on Feb 22, 2008

22yooper
  • 828 Answers

SOURCE: I have two whirlpool refrigerators.

Under the cabinet in the back is a drain tube with a loop for air seal. this loop will sometimes become plugged. Clean it and it may resolve your problem. I use a small section of automobile speedometer cable as a mini roto rooter.

Posted on May 03, 2008

  • 154 Answers

SOURCE: WIRING DIAGRAM TO FIT FACTORY ELECTRIC WINDOWS TO AE92 COROLLA

Well black wire should be your earth wire. But are you going from window motor to car or from car to window motor?

Posted on Jul 28, 2008

  • 1462 Answers

SOURCE: Drain hole plugs with ice

this is a perpetual problem due to no drain heater being fitted. what may help is to run some pieces of copper wire from the defrost heater and have them into the drain hole. enough heat may be conducted to cure it

Posted on Sep 18, 2008

docjohn174
  • 943 Answers

SOURCE: Water does not drain from the Freezer during the defrost cycle

hi thanks for the question the drain hose goes to the underneath by the compressor thaw out the freezer and clean the drain hose this will solve the problem thanks the appliance doc

Posted on Sep 27, 2008

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