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Old 07-21-2011, 08:52 AM   #1
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Join Date: Jul 2011
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'93 Holiday Rambler Vacationer Newbee

I just inherited a 1993 Holiday Rambler Vacationer. I have never owned an RV before and there was no owner's manual that came with this RV. I know that there is a lot of work to do on it but where to start?? I know that the coach batteries are not holding a charge but I have not clue as to what to replace them with. I bought a new engine battery and within a day it was dead, I had to get a jump for it to start again. I kinda feel at a loss so any information and help you all can give would be WONDERFUL!!

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Old 07-21-2011, 10:28 AM   #2
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Join Date: Feb 2011
Location: Snowbird - Waterford Mi and Citrus Springs Fl.
Posts: 3,609
Sounds like you've already seen there's a ton to learn/absorb to use the coach effeciently. I would encourage you to take it one piece at a time - do not try to absorb it all at once. It'll leave you befuddled quickly.

As a suggestion, start with the chassis battery problem you mention. Figure that out, then move on to the coach batteries and figure out what you need to know there. Continue on through the rest of the coach until you're comfortable camping in your driveway. Then try a local campground. From there you're on your way...

Ask questions, lots of them, but try to keep them as specific as you can.

Welcome, and Best of luck!

1997 37' HR Endeavor, 275hp Cat, Freightliner
03 CR-V Blue Ox, Ready Brake
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Old 07-21-2011, 11:01 AM   #3
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Workhorse Chassis Owner
Join Date: Jun 2003
Location: Palisade CO
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If you go HERE you can download manuals for many of the items in your coach like the water heater, furnace, etc.

I don't know about 93 model years but in later years - like after 1994 - or maybe earlier - it is common for parasitic loads to discharge the engine battery in as little as two weeks or so. This is due to keep alive currents required by engine computers, radios, step lights and so forth.

When connected to shore power the house batteries are charged by a converter that puts out 13.5 volts dc.
That output also supplies everything in the coach that requires dc voltage. Examples are the control boards in the refrigerator, furnace, water heater,and air conditioner.
The house batteries are also charged by the alternator when the engine is running.

In some motor homes the engine battery is also charged by a B.I.R.D. system when you are connected to shore power but I think most are not.

The house batteries should be deep cycle types.
Popular brands are Trojan, and Interstate.

Sometimes they are two 6 volt units wired to series to give 12 volts. Often golf cart batteries are used in that case. Many people get them from Cosco or Sam's Club.

They may also be two 12 volt batteries wired in parallel or just one 12 volt battery.

There is often a Disconnect Switch often located on a wall close to the steps that disconnects the house batteries when it is stored. I haven't seen one but there are also disconnect switches for engine batteries . I believe they usually on the dash.

There is usually a momentary AUX Switch on the dash that temporarily connects the engine battery to the house batteries for emergency starting.
Clay WA5NMR - Ex Snowbird - 1 year, Ex Full timer for 11 years - 2004 Winnebago Sightseer 35N Workhorse chassis. Honda Accord toad.
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