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11-22-2010, 14:18

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That is correct on the solenoid if it is located high center on the curb side fire wall above the fused 4\0 cables. That solenoid is picked by the selector switch on the dash aux batt on the lower right side of the dash. Is your switch momentary press to the right with center charge and if the switch is pressed to the full left the chassis batts and house batts both charge?

Now then with that said I think you have a two fold problem. I agree the solenoid needs to be checked and perhaps replaced, it does get hot to the touch and that is normal for that one. But since the shore power and gen set gives you a charge that leaves that solenoid as being good to my mind.

Real problem seems to be that HUGE oil bath Alt and regulator. Ok the regulator is new but that does not make it good and if the Alt is an internal run away, that alone can make toast out of the regulator since it can not handle the amperage load placed on it. Have you had the Alt bench tested? Sure seems like it is a run away. The voltage should be 14.1 to shy of 15 at the out put going to the regulator which regulates to 14.1 steady no matter the rotational speed of the Alt. Just some thoughts

Safe travels, Ralph Charolette Fullenwider
'84 FC35 "Ruff Diamond"
Duncan, Oklahoma
Sent via BlackBerry by AT&T

From: "Fred Hulse"

Sender: WanderlodgeForum@yahoogroups.com

Date: Mon, 22 Nov 2010 18:58:01 -0700

To:

ReplyTo: WanderlodgeForum@yahoogroups.com

Subject: Re: [WanderlodgeForum] Re: Coach Batts overcharging

Hi there Ralph,

The coach is fine at all times with shore or gen power.

Now when I start the motor the coach voltmeter in the dash nearly pegs to maximum = 20v or so

at the same time the coach ammeter nearly pegs to maximum= 300 amps or so.

both chassis amp and chassis voltmeter are still, no movement if very little.

Haven't regarded the inverters at all.

I have a new Delco voltage regulator and installed it with no results (same conditions).

The solenoid I am focusing on is at the right rear firewall in the engine compartment next to the big round battery selector dial type switch. I think the wiring diagram is referring to this solenoid as auxillary charge solenoid.

I can not find an isolator.

Thanks for your questions.

Fred & Jeanne Hulse
Morristown,Arizona
97 WLWB41