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M450 (Unique Issues) If you have a unique issue with your M450 model coach and it can't be answered in one of the other forums here, then this is where you can list it.....list your M450 Parts here too. NO DISCUSSION OF ANY OF THE M450 LAWSUITS ALLOWED HERE.

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  #1  
Old 07-19-2013
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Icefixr66 Icefixr66 is offline
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Default Still having electrical issues! UPDATE 8/29/13

I have charged all the batteries on a separate charger, load tested them all When I start the coach everything is normal , volt meters go to 14.2 and 28 on the dash. Volt meter on the auto gen start goes to 14.2 also, but as soon as I shut the coach off AGS meter goes to 12.6 and within seconds 12.5,12.4 and stops and settles at 12.2. Chargers kick on ,go to bulk stage to about 12.9 and then to float stage! Do I have a short? a bad relay? any and all help appreciated! TIA
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Mike Basista
2005 M450
"Some Enchanted Evening"
Austintown,Ohio

Last edited by Icefixr66; 08-30-2013 at 08:58 AM.
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  #2  
Old 07-20-2013
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Mike
Try cleaning the pick up wires on the shunts located on front wall near battery disconnect switches. They could be slightly corroded giving erroneous voltage readings, just a suggestion.
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Old 07-20-2013
Doubledoc Doubledoc is offline
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I would turn off the two big Vanner inverters after stopping the engine and see if the digital voltage still drops fast. There may be a big load on that you do not know about and it might be on the 110 ac side. How old are the batteries and how clean are the tops of the batteries? When the engine is running and charging the batteries what is the voltage and how many amps are going to the batteries? The dial overhead of driver seat will give you the current.
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  #4  
Old 07-22-2013
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When ever you have an electrical charging problem like that it is best to use a good multimeter and check the voltage after the engine or shore power has been shut off for a while. if it reads 12.2VDC still then your batteries are discharged. checking the voltage at the batteries when the engine is running can only tell you whether the alternator is putting out current and the correct voltage. When troubleshooting the charging circuits even on the older BB I have never found a bad shunt nor wires. Even a good battery system can be quickly ruined by either a bad charger or discharging the battery banks below the 50 per cent level repeatedly. also a poor setup of the charging system parameters could be at fault. that is one of the reasons I like the Xantrex link 1000/2000 system to monitor everything.
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1985 PT40 SOLD
6V92
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  #5  
Old 07-30-2013
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Update: Still having issues,leaving for myrtle beach Sat (8/3) and then on to St. Pete,Fla to meet with Johnney Anderson and get it fixed. Leaving MB fri morning 8/8 and hopefully on my way back to Ohio by Sun. Hope the old girl don't let me down......she hasn't yet!
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2005 M450
"Some Enchanted Evening"
Austintown,Ohio
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  #6  
Old 08-29-2013
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Default Still having electrical issues UPDATE

Made it to Myrtle Beach and then on to Clearwater.Fla. Talking to Johnney Anderson prior to leaving, he was almost certain that my issues were with the Vanner 100amp battery equalizers.Being on such a short time frame I ordered 2 from Parliament Coach that I would pick up when I arrived. I talked to Dan Hartley, gave him the plastic # and he had them in 2 days. Great! So I arrive in clearwater fri night about 9. I stayed at Bob's Mobile Home and RV resort, $30 a night, 50 amp, water and sewer. Grass site with a 10 x 15 concrete pad where your awnings are. Lots of trees and shade. Nice place. So next morning Johnney calls me at 7:30, says I'll be there at 8. Perfect. He arrives with my parts in hand, gets right to it , gets his meter out,starts checking and about 20 minutes in finds the problem! (Ed Wimberley, You were in the right spot in your previous suggestion but I never would have found it) One of the 24 volt cables on the buss bar was never seated to the base of the stud! The nut was tight, the factory kryptal paint was unbroken but the cable was loose on the stud. It arced and welded itself to the stud creating an unprotected hot spot and over time burned back the casing about 3". Someone was watching over me and the PO in not starting a fire. Cut it back ,Put a new lug on it, good as new. In the process though i fried another voltage regulator (Continued in next post)
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2005 M450
"Some Enchanted Evening"
Austintown,Ohio
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  #7  
Old 10-16-2013
Freedom One Freedom One is offline
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Trying to get electrical power to/on the bird and Ive tried using the 50amp and 30amp power cords at the house but they keep tripping the outlet plugs. What am I doing wrong?
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1982 & FC35

Last edited by iamflagman; 10-16-2013 at 08:21 PM.
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Old 10-16-2013
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Quote:
Originally Posted by Freedom One View Post
Trying to get electrical power to/on the bird and Ive tried using the 50amp and 30amp power cords at the house but they keep tripping the outlet plugs. What am I doing wrong?
I think we might need a little more info. Are you plugging into an RV outlet at home? You can't use a regular 50 or 30 amp outlet that most typical homes have. What year and model of coach do you have? Are you tripping the breakers in the house, or the coach.
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Bluebird of Happiness
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  #9  
Old 10-16-2013
Freedom One Freedom One is offline
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Tripping the GFI. Plugging into house outlet. We have just purchased a 1982 FC35 Wanderlodge

Thanks for the help Jim

Bob & Kelly Gubanich
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1982 & FC35

Last edited by iamflagman; 10-16-2013 at 08:23 PM.
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  #10  
Old 10-16-2013
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Bluebirds and GCFIs won't live together. Shared neutral. Remove GCFI's. That oughta fix it
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