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Old 09-06-2021, 01:31 PM   #1
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Norcold 751BB fridge

Need to pull the existing fridge and replace with exact unit. New fridge has not arrived so can’t see back to know how many plugs etc. Looking at manual but that includes ALL instructions that Sportsmobile would have done for the wiring.

QUESTIONS—I want to know how involved swapping the fridge is to know if can handle on my own. Looked with a flashlight and can see blue/red wire and possibly something else but not sure.

Has anyone swapped this fridge with Sportsmobile existing wiring? If so, can you tell me how complicated it is—such as plug and play x number of wires or need to do some wiring tricks.

Have a possible RV mobile guy but he is not sure if available. I need to get back on the road
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Old 09-06-2021, 02:40 PM   #2
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I've swapped out our smaller Norcold. It had two wires - a positive and a ground... bout as easy as it gets. I crimped the van wires to the fridge wires and was good to go. Should be very straight forward.
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Old 09-06-2021, 03:04 PM   #3
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If I'm not mistaken, the front frame of the fridge has 4 screws holing the unit in place, but (so you are aware) it seems several members (myself included) have had additional screws on the outside of the cabinetry that were drilled into the side of the fridge (I have one on each side that goes through the outer cabinet wall into the side of the fridge). Can only assume that was done as additional method to anchor the unit in place for strength. So you may want to check to see if you have these as well in the event it doesn't slide out easily.
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Old 09-06-2021, 04:02 PM   #4
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Many thanks bigriver and twoxentrix that was exactly what I needed to know. Once again this forum has saved me—almost 5 years full time in my SportsMobile and this forum has been my savior more than once
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Old 09-06-2021, 11:24 PM   #5
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Quote:
Originally Posted by bigriver View Post
I've swapped out our smaller Norcold. It had two wires - a positive and a ground... bout as easy as it gets. I crimped the van wires to the fridge wires and was good to go. Should be very straight forward.
Did you have to turn off any power or a do anything with a fuse prior to doing this. I forgot to ask that.

I know itís somehow connected to the battery but Iím not sure if thereís anything I have to turn off before I start taking apart and attaching wires.
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Old 09-07-2021, 04:17 AM   #6
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I didn’t turn anything off - just unplugged the wires in the back, and plugged new ones in.
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Old 09-07-2021, 04:56 AM   #7
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Itís easy. Positive and negative 12vdc wires and a 110vac plug was all mine had behind it. A few screws to remove the trim strips in the front and then it just pulls out.
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Old 09-07-2021, 01:57 PM   #8
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I did just that. I needed to remove a couple of screw-on plastic bars from the bottom of the new unit to fit in. Easy. wiring is easy, as noted here by Brian. The new unit can be mounted more flush to the cabinet by reversing the face trim. Nicer than old protruding one.
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Old 09-09-2021, 08:14 AM   #9
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Got the fridge removed with no problem thanks for the info. Saw the yellow butt connectors and thinking I can keep them in place and just insert the new wires and crimp. In other words no need to replace with new butt connectors. When you did yours did you replace the butt connectors or just use the ones that were already in place.

New fridge arrives tomorrow so I want to make sure I have all the required tools to complete the project :-) luckily have all the tools to crimp given that I had to do a lot of re-wiring on the Espbar heater this last year.
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Old 09-09-2021, 10:28 AM   #10
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Best to cut off the old butt connectors and start fresh. New fridge will be nice.
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