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N641 Norcold fridge, anyone have that model in their RV?

2shus
Explorer
Explorer
Me and a buddy are working on an RV doing some remodeling etc and we need some help wiring up a norcold fridge model N641. First let me say we have the fridge out of RV currently and the circuit board was gone from the fridge when we got RV and all the wires are just hanging loose. We ordered a new circuit board. (Norcold 628661 Refrigerator Relighter Circuit Control Module Board) The board has several electrical hookups and we are not sure which wires plug in where. We did figure out which wires go to the heating element for the fridge and we wired it up direct to 120 volt and it cools very well. There are 2 black wires coming from the heating element and those are the 2 that we hooked up to 120 volt. There is also a red wire coming from that area. There are 2 white wires coming from what looks like a possible thermostat or some sort of cut on and off device. Then there is a plug for the 120 volt electrical. Then a plug with several wires that is very obvious where it plugs in due to the shape of plug. I have pics of the wires and back of fridge and pics of the circuit board. There is a schematics on back of fridge that does not make any sense to us. Can anyone please help us out by drawing a diagram and maybe even sending some pics. Thanks.
98 Ford Club Wagon E-350 1 ton Passenger van, Powerstroke Diesel, Evolution programmer, 5 " exhaust, Factory tow package, . 2000 Keystone Springdale 30' T.T. Super Slide, Honda EU 2000
2 REPLIES 2

2shus
Explorer
Explorer
Thank you so much for the help.
98 Ford Club Wagon E-350 1 ton Passenger van, Powerstroke Diesel, Evolution programmer, 5 " exhaust, Factory tow package, . 2000 Keystone Springdale 30' T.T. Super Slide, Honda EU 2000

Old-Biscuit
Explorer III
Explorer III
On the board with cover off

2 black leads from AC Heater
1 lead to AC HT LO
1 Lead to AC HT HI

Burner stack temp switch
1 lead to Limit IN
1 lead to Limit OUT

Wiring harness P1

Wiring harness P2
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On the board with cover installed

120V AC Power Cord connector snaps onto L1 & L2

12V DC Leads Grd (white) Pos (red)

Spark Ignitor High Voltage wire,,,,spade connection to transformer terminal






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Addition wiring for a 12V control box and another hi-hi stack temp sensor IF this N641 was part of RECALL

N841, N821, N641, N621 and 1082 gas/electric 2 door refrigerators, having cooling units with serial numbers from 1038000 to 1099000.

These refrigerators were mostly installed in, but limited to vehicle models 1999 to 2000.
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