| Starter battery question [message #222055] |
Wed, 11 September 2013 14:31  |
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Bob M
Messages: 100
Registered: August 2005
Location: Carlisle, PA
Karma: 0
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My '77 Eleganza II has one starter battery in the front and one house bettery in the rear by the generator. After after being sored for several months, the starter battery seems to have no power. I use the "battery Boost" switch and the coach turns over and starts immediately. I have 15-20 amps going into the coach whenever it is parked for any time. Is the starter battery being turned off, ie disconnected after a period of time? With only a short run of 30 minutes, I no longer need the 'battery boost".
Bob Moss
'77 Eleganza II
Bob Moss
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| Re: Starter battery question [message #222056 is a reply to message #222055] |
Wed, 11 September 2013 14:41  |
captjack
Messages: 271
Registered: February 2010
Location: Sebastopol, California
Karma: 1
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Hi Bob,
My guess would be that you have something slowly discharging the starting battery. 30 minutes of driving could easily give you enough juice to start depending on how flat the starting battery is. If you don't have installed some sort of combiner like the Yandina, plugging in, which is what I assume your 15+ amps referred to, doesn't charge the starting battery.
Jack Christensen - K6ROW,
'76 Glenbrook/Clasco - "The Silver Bullet",
Sebastopol, CA
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| Re: Starter battery question [message #222058 is a reply to message #222055] |
Wed, 11 September 2013 14:46 |
C Boyd
Messages: 2629
Registered: April 2006
Karma: 18
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Sir: the plug up charger only charges the house battery, not the coach battery. This is why some have used combiners to charge both. This can mask a problem sometimes. Your problem is the coach battery going down in a couple of months. Mine don`t, using a 1100 cca truck battery. You should check if a light, radio, or something is on. Check if there is a spark disconnecting and touching the coach battery ground cable back to battery. If you have a drain unplug 1 fuse at a time in the glove box till the spark goes away. Check that circuit. Some make a 30 amp jumper with alligator clips to jump across the boost solenoid. This will tie the two batteries together while plugged in, charging both.
| Bob M wrote on Wed, 11 September 2013 15:31 |
My '77 Eleganza II has one starter battery in the front and one house bettery in the rear by the generator. After after being sored for several months, the starter battery seems to have no power. I use the "battery Boost" switch and the coach turns over and starts immediately. I have 15-20 amps going into the coach whenever it is parked for any time. Is the starter battery being turned off, ie disconnected after a period of time? With only a short run of 30 minutes, I no longer need the 'battery boost".
Bob Moss
'77 Eleganza II
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C. Boyd
76 Crestmont
East Tennessee
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| Re: Starter battery question [message #222061 is a reply to message #222055] |
Wed, 11 September 2013 15:03 |
JohnL455
Messages: 4447
Registered: October 2006
Location: Woodstock, IL
Karma: 12
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You don't say if you have a new charge converter or the original buzz box in the closet. If you have the original, leaving it plugged in all the time will ruin the house battery and if jumpered, the chassis battery as well.
John Lebetski
Woodstock, IL
77 Eleganza II
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| Re: [GMCnet] Starter battery question [message #222072 is a reply to message #222071] |
Wed, 11 September 2013 19:44 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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There is a lot of differences between the old buzz box and a modern one including about 25 pounds. The easiest thing for you to do is tell us what brand and model you have.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: [GMCnet] Starter battery question [message #222145 is a reply to message #222143] |
Thu, 12 September 2013 15:58 |
tphipps
Messages: 3005
Registered: August 2004
Location: Spanish Fort, AL
Karma: 9
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Buzz box runs from shore power. Purpose is to charge battery and provide 12v when plugged it. They hum or buzz due to loose plates in the transformer. Basic advice get rid of it, and get a modern three stage battery charger. Saves wear and tear on your 12 v batteries.
Keep it as it is a good source of 12 v on a work bench.
Tom, MS II
2012 Phoenix Cruiser model 2552
KA4CSG
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| Re: [GMCnet] Starter battery question [message #222351 is a reply to message #222349] |
Fri, 13 September 2013 21:07 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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I almost did not make that posting. Now I'm happy I did. It helped someone else with the same problem.
Ken B.
| dwayne jacobson[1 |
wrote on Fri, 13 September 2013 20:58]HI Bob
I have had trouble starting my coach without using the boost switch. I ran
new cables (except the one to the rear Aux Battery.)
from the starter battery - Power direct to the starter and another from the
positve to the left connection on the Boost Switch.
The negative cable direct to the Motor and another smaller wire to the
alum. I still had problems starting with the starter battery.
Today I read Ken's article on Cleaning the Connections - like really
cleaning them. So today I took the drumel out and Really Cleaned the
connections. Then try once again to start without booster- SUCCESS!!!!
Dwayne Jacobson
White Rock
77 Kingsley
On Wed, Sep 11, 2013 at 12:31 PM, Bob Moss <fums6@aol.com> wrote:
>
>
> My '77 Eleganza II has one starter battery in the front and one house
> bettery in the rear by the generator. After after being sored for several
> months, the starter battery seems to have no power. I use the "battery
> Boost" switch and the coach turns over and starts immediately. I have 15-20
> amps going into the coach whenever it is parked for any time. Is the
> starter battery being turned off, ie disconnected after a period of time?
> With only a short run of 30 minutes, I no longer need the 'battery boost".
> Bob Moss
> '77 Eleganza II
> --
> Bob Moss
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
--
Dwayne Jacobson
White Rock BC
Cell: 604-644-8090
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Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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