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Old 09-19-2009, 10:20 PM   #15
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Location: Mesa, AZ USA
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Originally Posted by georgetown350 View Post
Usually while driving the engine batteries get charged first then the house batteries but when plugged into shore power the house batteries get charged first.

That's not usual for my '02 Itasca and AFAIK, most Winnebago gas chassis RVs. In these, when the ignition is turned on, the engine battery activates an isolator solenoid which puts the engine and house batteries in parallel. This charges them simultaneously. Some RVs have a diode isolator.

When operating from shore power, the converter charges the house batteries only. Many people now install a small 'trickle charger' to keep the engine battery pumped.

Wretched excess is just barely enough.

2002 Itasca Suncruiser - WH Chassis - 35U - 2006 Jeep Liberty
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Old 09-20-2009, 10:56 PM   #16
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Definitely check the relay. I've had 2 fail in the last 5 years.

Norm & Janet

FMCA; WIT; FCOA; Good Sam; Passport
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Old 09-21-2009, 05:56 PM   #17
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Wiring Diagram Resource?

I have an old 87' Fleetwood southwind! Does anyone have a resource to help me find all the fuse locations particularly the relay fuse?


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