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RV Custom Products Battery Control Center BCC
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- čas přidán 14. 10. 2018
- After having problems with dash fans stopping when hitting bumps on the road or the powered mirrors not always working, I decided to troubleshoot the problem, starting with the RV Custom Products FW221 Battery Control Center (BCC).
Evidently, in July of 2013, Thor Motor Coach issued a recall based on the BCC potentially dropping out the chassis battery, resulting in loss of power to the ignition system, lighting and other devices, while the vehicle was in motion. Here is a link to the recall and the controversial solution: www.irv2.com/forums/attachment...
FW221 Rev B Battery Control Center theory of operation and functional diagram: www.irv2.com/forums/attachment...
Thanks so much for this video. Just today I learned my emergency start switch wasn't working and the Thor documentation wasn't helpful and in fact seemed downright wrong. Through some wire chasing I located this box and then did a search to find more about it and then there's your video showing almost everything I'd need to know. Was able to find the troubleshooting guide so now I'll have exact steps to nail down the problem. Absolutely fantastic video, thanks so much. Your message at the end is a great reminder as well
Wow, Mike, my head is swelling. Thanks for taking the time to leave such a kind comment. I’m glad my video was able to help you. Thank you!
Wayne, I know it’s been 3 years since you up loaded this video, but it helped me tremendously. Was stuck at a campground cause the chassis disconnect switch would energize the solenoid. Had no power to start the motorhome. Found some other info on the internet that told me to connect the chassis power wire with the chassis switch wire. Didn’t realize I connected the chassis switch to the chassis power so I lost power to the steps. Had to pull the pin on the steps and start them up to get home. Then I found your video and recall notice that told me to connect the chassis power to the chassis switched. That should get my power back to the steps and other things. Thanks again for this upload. Saved me a trip and a ton of money at a repair center.
Great video, I have a battery discharge issue possibly a solenoid, now I can check it after watching your video, thank you.
Good luck with the troubleshooting, Jim. Thanks for the feedback!
Thank you!! Changed batts, no DC Coach, till you mentioned the reset. Almost ordered parts, you saved me big money mistake.
Dan Brewer Thanks for the feedback, Dan! You never know when something is worth posting until you hear from someone like you! Thanks so much for subscribing!
@@WaynePolcin Your welcome, and thanks for the personal insights...made me take a moment to take inventory of my inner social behavior of late. I think I can do better!!!
Dan Brewer need more I have old 2003 excursion that my batteries on the coach not being charged I don’t have that bypass on I may unit I don’t know if I should get operate .i have a f73-1040 I see there a f73-1044 on there website
Hi Dan - I apologize for not commenting sooner. I didn't see your comment until today. If you're still having the same problem, please let me know. Give me as much info as you can and I will do my best to help you out. Stay strong, safe and kind, my friend!
I'm working on a short on a 2008 Hurricane right now. Thor sent me the wire diagram which was helpful, but this video was a great resource. Thanks for taking the time to make it. Farley's RV repair Bradenton Florida.
Kirk Farley I’m happy to hear that. Thanks for the feedback! Stay safe, strong and kind!
Thank you for the vid clip on BCC, extremely helpful!!!!!!!!!!!!!!!!!!!!!!!!!!!!! the kind words of wisdom and kindness to others is the best part best thing I have heard in a long long time our Nation needs more like this Thank you ,God Bless
I appreciate your comment, MadMan! I'm happy that this video meant something to you. I know that info on the BCC is hard to come by, so I thought it would be helpful to others to document it in a CZcams video. Stay strong, stay safe and stay kind, my friend!
@@WaynePolcin Very helpful, properly described and spoke five stars on your post , Dig the Jeep , Chev truck ,Fire pit and Cabin..... True America sir God Bless
@@MIKEBROWN-gl5jt Thank you, sir! I greatly appreciate your kind reply to this post. You never know when somethings we do can help another until you lay it on the line and post it. Stay strong, stay safe, be kind, my friend!
Loved everything about this video. Thank You. Thank you Thank You.....I Subscribed to see more or your vids and kindness, I needed the info, as I'm troubleshoot a motorhome with similar electrical issues.
Thanks for the feedback on this video, Mark! Not all my videos are like this one. I am a troubleshooter and problem solver. So I will post more like this as the need arises. Thank you for subscribing! I hope you can enjoy my other video content as well. Please stay in touch in the comments. Stay kind my friend.
Excellent video. I knew nothing of this panel before this video. Trying to help an online rver and now I can help with confidence.
Myron Truex So happy you were able to find it useful. Thanks so much for the feedback!
You're a good man, Wayne. You and Suzie-Q are good for each other. I love it. The explanation of that control center was awesome. I may never need the info, but I might one day :) You would think the coach manufacturer would add an access panel for that unit, considering how important it is.
I have found that motor coach manufacturers, mainly the lower quality, high volume ones, don't seem to be concerned with what happens after you drive the vehicle off the lot. Sad but true, especially when people pay so much money and depend so much on the RV to be safe and dependable. If you're not a tech savvy RV owner, you can easily get raked over the coals. But we are making the best of our investment.
I hope your doing well Angie. It's people like you that keep me motivated. Thanks for your kind words!
I'm doing well, Wayne. And you, Buckin', Snowman, and the rest keep me motivated. What I have seen of you and Suzie interacting tells me that you're meant to help hold each other up. Cute couple, that's for sure. I wish you both all the happiness you can hold :)
Thank you so much your video was so helpful I myself am having pretty much the same problem I have just started trying to troubleshoot mine I was very suspicious that it was The chassis battery disconnect Thanks to your troubleshooting I have a way to start checking mine thanks again.
That’s great. I’m glad this video gave you the confidence to dig deeper into your issue. If you run into questions, please reach out to me and I will try to help further.
Great video. Saved me alot of time.
Like Dan, below, I changed my batteries and had no battery power to the coach. I scratched my head and Could Not figure it out! I was reasonably convinced that one of the relays was bad until I watched your video and learned about the reset in the BCC. Voila! Problem solved! Everything works great and the wife thinks I'm an electrical genius. Thank you so much for your very informative video. Your description of the various components was so helpful I am saving it for future reference.
Thanks for great feedback. I had no idea this would be helpful to anyone. I just did for myself and had fun doing it! Again, many thanks for your comment!
@@WaynePolcin Thank you so much for this video. Same Thing! I changed the house batteries and have been putting up with this for a while, just knowing I was about to have to replace some expen$ive parts. As soon as you showed the little breaker and the reset button, I paused the video, left work and raced home to see if that fixed it. It did.
Your video just saved our trip!
@@gregw7222 At times you wonder why you do the things you do. Then you get feedback from people like Greg W and suddenly you understand exactly why you do the things you do. Thanks so much for your kind words!
Thanks, it was so helpful.
Thank you, Daniel. I'm so glad it was helpful!
Great video. I have a f73-1040 in my diesel pusher that i'm trying to figure out. Installed new batts and a victron inverter. Is it possible to delete this box with, say, a fuse block or something? Banging my head against a wall trying to figure this crap out.
Hey, just wanted to say although I originally watched your video for information purposes only... it’s good to be reminded that when dealing w loved ones, it’s always better to kind than it is to be right. If we both only understood this 25 years ago.
@Citizen Watchdog Thanks so much for your comments, my friend! Stay safe, strong and kind!
Thanks for the video very educational I learned a lot thank you my friend
Just found your very informative video and I have a situation to describe:
My coach is a 2005 Fleetwood Southwind 32V on the F53 Ford chassis with Ford V10.
I'm boon docking in the middle of nowhere and when the OAT drops below about 50 degrees F at night the house loses all 12V power.
This has gone on for a while to allow me some troubleshooting and what I do is: Turn on a heat lamp aimed at the BCC under the hood and after about 8-12 minutes 12V power is restored. Now if it's still below 50F outside and I turn the heat lamp off then in about an hour once again no 12V power to the house. Repeat the heat lamp trick and it works.
So I'm guessing that the Coach Battery disconnect solenoid is relaxing in the "cold" conditions and when I heat it up (maybe to 80F or so) it reconnects.
So should I replace the Coach Battery disconnect solenoid? I have one ordered from REV parts ($282) and it should be here in a few days.
And as a very temporary solution can I place a short jumper wire (say 10ga.) between the two bolts on the circuit board ( labeled "CoachB" and "Coach BD" that connect the Coach Battery disconnect solenoid together. The one's you remove as part of your circuit board removal in the video?
Thank You !!!
Thank you for your thoughts. on this situation.
My guess is that you have a fractured solder connection somewhere on the circuit board. This would explain the sensitivity to temperature changes. I'll study the schematics to see if I can narrow it down further for you. I don't think replacing the disconnect will help, but if you have already bought it, it's worth trying. While you have the BCC out, I would take the time to look for fractured solder joints and loose connections.
@@WaynePolcinThanks for your reply Wayne . This morning when it happened I removed the front cover off the BCC and with a voltmeter checked around and as expected I found coach batt voltage (13.2V) on one side of the coach bd and nothing on the other. I looked around and carefully moved and checked other wires to no avail. Then I turned the heat lamp (125W) on , aimed at the BCC and sure enough in about 5 minutes 12V power was restored and of course verified by 13.2V on the other side of the Coach bd which is labeled "generator" post, the one below the coach batt. post on the outside of the bcc. Now it's afternoon and as usual it's worked fine with daytime temps in the high 80's. I'm in southern Idaho. I REALLY appreciate your in depth video on your BCC even though mine is a little different....the circuit board mostly. I did try calling RV custom products in California but all I got was an answering machine, left a message but haven't heard back. They may not have any info as it's probably an RV manufacturer spec but thought I would ask 'em.
Neat video Wayne. I always curious just how serviceable modern RVs are. Looks like with a bit of research and ambitious backyard mechanic take care of quite a few things on RVs.✌
Research is key. I have a background in research and development in the defense industry. I also designed electronic circuits and produced printed circuit boards for a laser printer company. So all that background helps to plow through the cesspool of misinformation we find so widespread on the internet, including the CZcams channels.
In order to be a home away from home, RVs contain many interesting technologies to make that possible, unfortunately, some manufacturers produce them in such high volumes that quality control really takes a hit. If you buy used RV on the low end, like I did, then having an understanding of the technology means you can work through most of the technical minutia without having to depend on a dealership. However, when it comes to the Ford Triton V10 and the drive train, I'm at the mercy of experienced engine mechanics for maintenance beyond the typical oil changes and fluid level checks.
So when it comes to electrical and electro-mechanical, I feel right at home.
Thanks for your feedback, bobe8888. Did you make it to Paul Bunyan this year, or was it Bones who was going to the festival?
I fireguard you had a background in electronics after watching this video. I'm more mechanical minded, but I did work for an electrical engineer about twenty years ago, so I do get the jargon pretty well, and I always find electronics interesting.
No I didn't make it to the Paul Bunyan show, I went to a race saw competition in Tennessee that weekend. A friend of mine hosted the event, it's always a really good time. One of these years I'll make it to the show, it's only a couple hours away too.
Wayne, your awesome video on the BCC triggered a resolution to my problem. I'm saving the link for future reference. Thanks so much !!!
And your comment just made my day! I'm a new RV owner, so I'm learning that there's a big void of information out there when it comes to RV electrical systems. I'm glad this video helped you. I'll be doing more troubleshooting on the electrical systems an posting videos as time permits. Stay strong, stay safe and be kind, my friend!
@@WaynePolcin I've included a link to your video on Thor RV forums. A senior member there said to me that it's the best video on the subject that he's seen. Do you have any advice on routine usage of the battery disconnect switches? Some people say to just leave them on all the time (to extend the life of the magnetic latching relays in the BCC), and others say to disconnect regularly to keep batteries from slowly draining down due to small loads. When the RV is on shore power does it even matter? Sure would be good to see a good simple logic matrix on this subject. - Thanks!
@@WaynePolcin I've also found these which I think will be helpful:
www.rvtravel.com/rv-battery-disconnect-switches-how-when-and-why/
www.everything-about-rving.com/should-i-leave-my-rvs-battery-disconnect-switch-on-when-going-down-the-road-in-my-rv.html
Michael - Thanks again for your input. I never thought of posting this video on the RV forums. I appreciate you putting it out there, because it's good to know when you're helping someone out. As to your question about the disconnect switches, I leave them on all the time during the season of frequent travel. If the RV is parked for an indefinite period of time, I will flip the switches to disconnect the batteries. I would worry at all about the magnetic relays, since current only flows through them momentarily. On the contrary, I would rather exercise the mechanical action of the relays just to keep the contacts from oxidizing and fusing together. I have source replacement latching relays, so if they ever do go bad, I can replace them - that should never happen over the life of the RV. I'm getting long winded so I'll stop here. There will be more content related the BCC as soon as I get a good weekend to work on my RV - no garage, no heat and little time! Thanks for checking in, my friend. Stay strong, safe and kind!
@@WaynePolcin Great info & thanks again. I'm getting similar input from various web sites etc., so it seems best to just let the batteries normally be connected (just as in a car), but use the switches only to DISconnect them when the coach is going to be parked for a week or more. I suppose if no shore power has been connected for an extended period, it would be good to plug-in the RV and connect the batteries so that the converter can top the batteries up? Why, I wonder, does the Thor owner's manual give little or no detail on any of this?
A great video, the only one I have found on the BCC.
Thanks @hotelboz! I have a sequel. It's goes into troubleshooting and disassembly of the BCC. Check it out too. Beware, it's an hour long, but if you want in depth info, it's a good one to wathch. czcams.com/video/jzyH0cQTXeI/video.html
Hi Wayne.....I have the same BCC...I would like to upgrade my Batteries to Lithium. How would I connect the Lith BIM to the BCC? Thank you very much for the video.
To be honest, I have never connected Li batteries in the coach. But from what I have read, you will not get the full potential of Li batteries unless you install a Li charging system in your RV. Sealed lead acid chargers will only charge Li batteries to about 70% of the rated capacity. Converting to lithium would be a great upgrade, but it comes at a cost. Please do the research. Thanks for watching the video!
Great video Wayne. Thanks. Quick question. On the cover, it says "Disconnect Cables At Batteries Before Removing Cover"... all I want to do is to see if any of the fuses are bad and replace if needed... do I still need to disconnect cables at batteries before removing the cover?
If you don't remove the cables, you have to be very careful to NOT let the cover make contact with battery connection on the left side of the BCC. I would disconnect the wires at both batteries, remove the cover, then reconnect the batteries if you need to troubleshoot. It only takes a couple minutes and prevents the possibility of shorting 12 volts to ground at the BCC. Stay safe my friend!
Question: Is the accessory relay replaceable or sobered on? I have this board in mine and i have an issue where when the ignition is on the accessories sometimes come on and sometimes they don’t. I think that relay needs to be replaced.
The accessory relay is soldered in. I had a problem similar to that but only the side mirrors would not function 100 percent of the time. I found it to be the fuse terminals were loose. I crimped them tighter together, replaced the fuse and that took care of the problem. I think I demonstrated that in the video.
Is the control box have anything to do with the slide out.
Only that the 12 volts for the slide out motors is routed through the box. So if the slides are the only 12 volt devices not working then your problem is not the BCC. But if you are not getting 12 VDC to anything in the coach then the BCC could be where the problem lies. In that case, I would check the 50 amp resettable breaker on the BCC first.
Awesome explanation!
Thank you for the positive feedback my friend!
SPIDER! Yikes!!! Great job! Smash-it!
Yeah, Andrea, I HATE SPIDERS!
Wayne, I need some help. I have a Thor 2014 Windsport 27k and it has a TH 1020 box. I have never come across latches like these. When you flip up the latch, do you just pull it straight out? If so, I just wasn't pulling hard enough. I think my Emergency start solenoid is not working and need to check it.
Respectfully, Kevin
The latches can be hard to pull out because they’re a cylinder of rubber with a bolt through the center and when the latches are locked the rubber is compressed, making it swell and tighten against the hole. When you open the latch, the rubber can still be swollen enough to make it hard to remove the cover. Just gently pull up on the cover near the latches and it should eventually pop out. You can pry with a screw driver to help it along.
If you haven’t already watched it, please check out this video RV Custom Products Battery Control Center (BCC) - Troubleshooting and Repair czcams.com/video/jzyH0cQTXeI/video.html
Wayne Polcin I watched that video first and made a comment on it. Thank you for these two videos! I'm an Electrical Design engineer but almost completely 120 volts up to 24000 volts. Automotive and RV wiring and controls are not the same. Your video makes it easier to understand.