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03-19-2023, 07:16 PM
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#1
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Member
Join Date: Jul 2014
Location: Rogers,MN
Posts: 44
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HWH control box location
Anybody know where the HWH control box is located in a 2018 Newmar Essex?
Thanks
Randy
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03-20-2023, 05:15 AM
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#2
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Senior Member
Newmar Owners Club Spartan Chassis
Join Date: Sep 2012
Posts: 205
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Not sure which control box you are looking for, if it's for the steps the box is in the first PS bay (the first after the main door) behind the Dometic cool box.
__________________
Roger & Judith
2023 Newmar Essex 4595, Spartan K3 chassis
2019 GMC Yukon Denali, Blue Ox, Air Force One
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03-20-2023, 07:13 AM
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#3
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Member
Join Date: Jul 2014
Location: Rogers,MN
Posts: 44
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The control box Is for the jacks. I’ve been told it’s about 6x6x8”
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03-20-2023, 07:23 AM
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#4
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Registered User
Join Date: Feb 2021
Posts: 1,337
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It’s on top of the manifold. All of the wiring is connected to it. Manifold is behind passenger side head light when you extend the generator access. What’s the issue with the jacks or the system.
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03-20-2023, 05:41 PM
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#5
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Member
Join Date: Jul 2014
Location: Rogers,MN
Posts: 44
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I looked at that many times thinking that’s not what I’m looking for.It’s a potted controller with some red led’s and wire harnesses plugging into it.I was told it was a box about 8” long and not weatherproof so it had to be inside.My RR touch pad warning red led is not coming on when jack is down.Using the HWH Troubleshooting manual its saying they have Two wire magnetic switches that are switching the ground.I unplugged the switch wires and hooked together and even jumped to ground no change.HWH Now Says to go to control box.I can’t find it.It maybe was staring me in the face all along.Now need to figure out which is the gray 12 pin harness. They are all sprayed with some coating.
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03-20-2023, 06:32 PM
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#6
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Senior Member
Join Date: Jan 2021
Posts: 305
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HWH website has wiring diagrams that show the wire numbers in all the plugs. It also defines which plug is which.
__________________
2004 Winnebago Adventurer - W22
2013 Hyundai Elantra coupe - toad
2010 Ford Ranger - toad
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03-20-2023, 07:51 PM
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#7
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Senior Member
Newmar Owners Club Freightliner Owners Club
Join Date: Jun 2011
Location: Texas
Posts: 6,426
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Door side bay in front of the traditional pegboard bay. It is towards the wall where tanks are, on the ceiling between the frame rails.
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2022 London Aire 4551 * 2022 GD Imagine 2800BH * 2021 RAM 3500 DRW * 2020 Wrangler
NHSO (Newmar Hoot, Sevierville Original)
Kindness Matters
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03-20-2023, 08:13 PM
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#8
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 30,897
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Quote:
Originally Posted by Mans Racing
I looked at that many times thinking that’s not what I’m looking for.It’s a potted controller with some red led’s and wire harnesses plugging into it.I was told it was a box about 8” long and not weatherproof so it had to be inside.My RR touch pad warning red led is not coming on when jack is down.Using the HWH Troubleshooting manual its saying they have Two wire magnetic switches that are switching the ground.I unplugged the switch wires and hooked together and even jumped to ground no change.HWH Now Says to go to control box.I can’t find it.It maybe was staring me in the face all along.Now need to figure out which is the gray 12 pin harness. They are all sprayed with some coating.
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This pdf by HWH shows you how to identify your model leveling system and what the control box looks like for each model. BTW, the control box will have from 5-9 fuses on it. The touch pad is directly connected to the control box by a wiring harness. To see what that wring harness look like remove the screws holding the touch pad on. lift the pad to see the harness and plug onto the pad.
My HWH control box simply lays on the floor below the dash.
__________________
2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA. " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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03-20-2023, 08:56 PM
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#9
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Member
Join Date: Jul 2014
Location: Rogers,MN
Posts: 44
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Thanks Ray,
Looking at the HWH diagrams that potted control box on top of the pump is not the control box I’m looking for.The search continues.Next I will pull out the touch pad.
Thanks for all the info everyone
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03-21-2023, 01:03 PM
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#10
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Member
Join Date: Jul 2014
Location: Rogers,MN
Posts: 44
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Bobby you are correct.It is on top of the manifold/pump assembly.After I figured out mine is a 725 series system.I was looking for the wrong style box.
Thanks everyone for the help.
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03-23-2023, 08:52 AM
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#11
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Senior Member
Commercial Member
Join Date: Jun 2005
Location: behind the steering wheel
Posts: 2,569
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bobby is right. the jack circuit board is waterproof, and is located on top of the pump.
the wires are stamped about every 10 inches on the side of each wire for the entire length.
the jack down sensor is located on top of each jack. it has one black, and either one or two white wires out of the top. both white wires are for grounding.
this sensor generates a ground signal thru the black wire to the control box when closed.
. with the jack extended, disconnect the connector to the sensor and test the sensor wires with an ohm meter, it should show an open reading..
the sensor is normally closed. a magnet in the top of the jack shaft opens the sensor and disconnects the ground signal.
easily replaced.
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