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11-05-2016, 05:51 PM
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#1
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Junior Member
Join Date: Oct 2016
Posts: 9
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Does anyone know what this is?
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11-05-2016, 05:55 PM
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#2
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 30,982
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Looks like a start capacitor to me. You should have 2 on each unit, a start cap and a run cap. But then, I've been wrong before.
__________________
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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11-05-2016, 07:07 PM
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#3
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Senior Member
Tiffin Owners Club Freightliner Owners Club
Join Date: Apr 2012
Location: Southern NM
Posts: 3,386
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OK! I gotta ask, .  .....how long has the unit not worked or did you just buy the MH...
If the start capacitor is missing , there should be a couple of loose wires kicking around in that unit...
__________________
2018 Allegro Bus 37AP
2014 Phaeton 40 QBH (sold)
2022 Jeep JLURD
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11-05-2016, 07:20 PM
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#4
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Community Administrator
Tiffin Owners Club
Join Date: Sep 2013
Location: DFW, Texas
Posts: 21,570
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That looks like what is called a Hard Start Kit, which is an extra boost capacitor hooked parallel to the start capacitor to give an extra kick to the compressor when starting. Chances are the one AC that has one had a start problem at one time and this was added. It's probably time to add one to the other unit.
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 2017 Phaeton 40IH XSH Maroon Coral - Power Glide Chassis with IFS
Previous '15 Tiffin Allegro RED 38QRA and '06 Itasca Sunrise 35A
'16 Jeep JKU Wrangler Sahara or '08 Honda Goldwing
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11-05-2016, 08:41 PM
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#5
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Junior Member
Join Date: Oct 2016
Posts: 9
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garykk, I just traded for this motorhome last month. I am going through the electrical systems now figuring out what works and what doesn't...and to further solidify the lucidity of your post....YES!!! there were lots of loose wires up there...luckily I didn't do any damage to the control boards.(whew!!) 
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11-05-2016, 09:32 PM
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#6
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Junior Member
Join Date: Jun 2015
Posts: 3
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Does anyone know what this is?
By the pictures you had on your post it is a capacitor. Your a/c would normally have one or two of them. Since your picture shows only two terminals it would be either a start or a run capacitor as I could not make out the mfd ratings to determine which one it is. Some capacitors have three terminals which would be a start/run combination unit.
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11-05-2016, 09:58 PM
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#7
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Member
Tiffin Owners Club
Join Date: Jun 2013
Posts: 83
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It's a capacitor for when your A/C starts that helps correct the line power factor when your compressor kicks in and starts running. You can get a new one from your A/C manufacturer or any good sized camper store that sells parts.
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Scott & Dianne
2012 Tiffin Breeze 28BR
2012 Honda CRV
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11-05-2016, 10:03 PM
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#8
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Senior Member
Join Date: Feb 2013
Posts: 944
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Quote:
Originally Posted by Lt Dan
That looks like what is called a Hard Start Kit, which is an extra boost capacitor hooked parallel to the start capacitor to give an extra kick to the compressor when starting. Chances are the one AC that has one had a start problem at one time and this was added. It's probably time to add one to the other unit.
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2x.
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11-05-2016, 11:53 PM
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#9
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Junior Member
Join Date: Oct 2016
Posts: 9
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ok I got it guys...found the replacement parts online....should be up and running in no time...or when it's time to NOT use ac and use heat instead....lol
My mind is funny like that...I usually concentrate on fixing things that don't need fixing, only so I can neglect the things that truly need attention! 
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11-07-2016, 06:37 PM
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#10
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Member
Tiffin Owners Club
Join Date: Jan 2012
Location: Pearl Mississippi
Posts: 90
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I think it is a Hard Start Capacitor.
__________________
Jerry & Anna
Retired Navy - 55 yrs Aircraft Mechanic/Pilot
2007 40 Ft Tiffin Phaeton, 2016 Ford Explorer
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11-07-2016, 07:30 PM
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#11
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Registered User
Freightliner Owners Club American Coach Owners Club
Join Date: Sep 2015
Location: Dallas, Ga.
Posts: 618
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It's a doohickey. Or maybe a thingamabob.
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11-07-2016, 07:52 PM
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#12
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Senior Member
Join Date: Oct 2014
Location: Port Orchard, WA
Posts: 4,217
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Quote:
Originally Posted by Cranemec
It's a doohickey. Or maybe a thingamabob.
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Cranemec, who the heck taught YOU anything? You don't know what you are talking about, it's obviously a "Whatchamacallit!" I just replaced one on my heat pump last month. 
Sheese, some people don't know ANYTHING! 
__________________
Scot & Laura Kellersberger, U.S. Army (ret)
Newmar 4 wheel drive Dutch Star 3891, SOLD
Now RV'ing on the water in a Trawler!
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11-08-2016, 01:02 AM
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#13
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Senior Member
Join Date: Nov 2014
Location: TEJAS
Posts: 814
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Plastic capacitors with an air vent are designed for intermittent use = start capacitor.
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11-10-2016, 03:05 PM
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#14
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Senior Member
Join Date: Nov 2016
Location: Desert Hot Springs Ca.
Posts: 947
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Here is were I got the ones I installed on my a/c units.
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
__________________
Mike & Trish Romans 10:9
2011 Mobile Suites 36RSSB3
2014 F-350 6.7L CC DRW
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