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Old 12-22-2008, 05:24 AM   #21
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Join Date: Jun 2003
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by Tom N:
From what I read on these forums Winnebago started to install a Trik-L-Charge on all class A's starting with the 2006 model run. With the Trik-L-Start all batteries are charged when connected to shore power or the generator is running. If this is incorrect someone please correct me.

-Tom </div></BLOCKQUOTE>

I think you are correct in that at least some models have the TrickleStart so I will have to correct my statement above.

I was under the impression that the TrickleStart was only a maintainer rather than a charger but the specs say it can divert as much as 5 amps form the house batteries so I would think it could be considered a charger.
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Old 12-22-2008, 05:36 AM   #22
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by Displaced Connecticut Yankee:
Mine is a Class C, and I don't know how the Class A's are wired.

My wiring diagrams indicate that the converter charging output goes through my 12v Battery Disconnect relay (cuts house batteries on/off from the rv circuits) to the house batteries. If the engine is also running, the Battery Mode Solenoid (connects the house batteries in parallel with the vehicle battery when energized) closes, so the converter would be in parallel with the engine's alternator. If the engine is not running, holding the Momemtary switch would parallel the batteries, so the converter could (if electrically capable) charge all batteries at once.

This means that, if there is AC input (generator or shore power), the house batteries are charged. If, in addition, the engine is running, or the MOM switch is held down, all batteries are charged by the converter AND the alternator. I'm not sure that I like two simultaneous charging sources. </div></BLOCKQUOTE>

That's the way the Class As are wired also. (except as Tom said some later models have a TrickleStart charger/maintainer installed by Winnebago - the 2004 Sightseer's did not have this item though.)
However if the engine is running and shore power is connected, the alternator voltage (14 .4 volts) in my rig is higher than the converter voltage (13.6 volts) so the converter would not supply any current to the engine battery.

If I understand Terry (Pace89) correctly his engine was not running, he was connected to shore power and the generator was running but the shore power cord was not plugged into the generator. Since he does not have a transfer relay and has to unplug his shore power cord and plug it into the generator then the generator should not be charging anything.
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Old 12-22-2008, 05:54 AM   #23
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Any voltage reading over 12.7-12.8 indicates a charging situation. Standing battery voltage is 12.8 Max as read on a VOM.
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