Batteries not charging-both engine and coach

[Ed Gardels]

--- In WanderlodgeForum@yahoogroups.com, "Chuck Wheeler" wrote:
>Thanks for the response, Chuck. Actully i tried that a couple of weeks ago, but
the chargers didnt keep up. Its the first time that the engine batteries went
down too. I think that a clue to my problem, since it deals with both seperate
banks of batteries. I have also tested the battery isolator. I have exausted my
ideas.
Thanks
Ed Gardels 89SP
Arlington Tx
> Ed,
>
> Some chargers need at least some charge to get started. I have had to put a
> small trickle charger on the boat to get the batteries up enough to turn on
> the main charger. The protection circuits in modern chargers need some
> voltage to insure that they are connected properly.
>
> - Chuck Wheeler-
> 1982 FC 31SB Fort Worth TX
>
>
> _____
>
> From: WanderlodgeForum@yahoogroups.com
> [mailto:WanderlodgeForum@yahoogroups.com] On Behalf Of Ed Gardels
> Sent: Tuesday, May 05, 2009 1:03 AM
> To: WanderlodgeForum@yahoogroups.com
> Subject: [WanderlodgeForum] Batteries not charging-both engine and coach
>
>
>
>
>
> My batteries wont charge after I found them discharged.grand kids knocked
> shorepower plug out. I pluged it back in and a couple of days later they are
> still dead. I have the diagrams for the chargeing circuit. There are four
> bosch relays in the circuit to allow the current to the buss and then to the
> battery bay. One of the wires that goes to the coil of one of the relays
> goes to the front elec panel.What else is neccesary to charge the
> batterys.relay or whatever.I have been working on this for two weeks with no
> results.
> Anyone have ideas or knowledge of this circuit please advise?
> thanks in advance
> Ed Gardels 89SP
> Arlington Tx
>