Home » Public Forums » GMCnet » won't start
| won't start [message #150220] |
Sun, 20 November 2011 08:27  |
Ross
Messages: 44
Registered: September 2011
Karma: 0
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This morning my 78 royale won't start. I just purchased my 78, had it at the garage to get an Ontario safety certificate to change ownership. The mechanic put in a new starter battery. On my drive home I noticed the volts were at about 11. Called him, and he suggested I do a test at the combiner which showed about 14. Yesterday I was running the gennie and it just stopped. It would turn over but not start. This morning I tried again but the batteries were dead [ 2-6 volt]. I tried starting the coach, it would turn over but not start. The volt meter on the dash doesnt register. Would the dead batteries on the gennie cause the coach not to start? I would appreciate any advise.
Ross
Ross Hallman
78 Royale
Baden, On
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| Re: [GMCnet] won't start [message #150224 is a reply to message #150220] |
Sun, 20 November 2011 09:01  |
john arbuckle
Messages: 122
Registered: March 2010
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Try the fuel thing I traveled from the southwest to the northwest and
found you can't let the gas tanks on these things get to low. If thats
not it then sounds like you might have a short draining your
batteries, if these are your house batteries and you can't find a
short then your converter, is it the old original buzz box that thing
is a paper weight change it out for a newer type. If iy is your engine
battery under the hood then again you have a short draining your new
batteries or your alternator is shot. I have had both of these issues
with my palm beach. Sorry hope you can find the source.
John Arbuckle
1976 Palm beach
On Sun, Nov 20, 2011 at 6:27 AM, Ross Hallman <rhallman@rogers.com> wrote:
>
>
> This morning my 78 royale won't start. I just purchased my 78, had it at the garage to get an Ontario safety certificate to change ownership. The mechanic put in a new starter battery. On my drive home I noticed the volts were at about 11. Called him, and he suggested I do a test at the combiner which showed about 14. Yesterday I was running the gennie and it just stopped. It would turn over but not start. This morning I tried again but the batteries were dead [ 2-6 volt]. I tried starting the coach, it would turn over but not start. The volt meter on the dash doesnt register. Would the dead batteries on the gennie cause the coach not to start? I would appreciate any advise.
> Ross
> --
> Ross Hallman
> 78 Royale
> Baden, On
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| Re: won't start [message #150228 is a reply to message #150220] |
Sun, 20 November 2011 09:22 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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| Ross wrote on Sun, 20 November 2011 08:27 |
This morning my 78 royale won't start. I just purchased my 78, had it at the garage to get an Ontario safety certificate to change ownership. The mechanic put in a new starter battery. On my drive home I noticed the volts were at about 11. Called him, and he suggested I do a test at the combiner which showed about 14. Yesterday I was running the gennie and it just stopped. It would turn over but not start. This morning I tried again but the batteries were dead [ 2-6 volt]. I tried starting the coach, it would turn over but not start. The volt meter on the dash doesnt register. Would the dead batteries on the gennie cause the coach not to start? I would appreciate any advise.
Ross
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The simple answer to you question is NO.....but there is no telling what someone may have changed in the past.
Consider the main engine and it starting battery as a completely separate system from what it takes to run the house system. The 2 6 volts batteries are suppose to be wired to the house system.
There should be a separate engine starting battery. You say you have a voltmeter measuring the battery(s). Do you know which system battery(s) are being measured by the meter?
Also you say that you measured 14 volts at the "combiner" with the engine running but only had 11 volts on the inside voltmeter.
This is a problem but until we know to which system the voltmeter is connected we can not help much. Is this the voltmeter for the house system that also has a water and propane tank gauges? GM did not install voltmeters on the engine 12 volt system.
My first question is: Do you really have a Combiner?
Combiners are very rare in GMCs. All GMCs came with an isolator (or in a few cases nothing). I doubt that 1% of owners have installed combiners. The reason I ask is troubleshooting your charging system will be a little different with a combiner than a coach with an the original isolator.
Second question. Can you throw a set of jumper cables from another vehicle on the coach starting battery and get it to start?
That is enough for now. We will give you some ideas based on the answers to the above questions.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: [GMCnet] won't start [message #150235 is a reply to message #150229] |
Sun, 20 November 2011 10:07 |
Ross
Messages: 44
Registered: September 2011
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I filled up the royale yesterday, it was low. At first I thought that was the reason for the gennie to die. It would turn over yesterday but not start even will full fuel. I just checked the engine battery and is showing 12.4 volts and will turn the engine over.
Ken,my coach has a yandina combiner 100. You may be correct about the dash voltmeter being for the house not the starting battery.
Does the house batteries start the gennie or the starter battery?
I have a 12 volt battery charger, will it charge the 2- 6 volt batteries? thanks Ross
Ross Hallman
78 Royale
Baden, On
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| Re: won't start [message #150247 is a reply to message #150220] |
Sun, 20 November 2011 11:50 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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| Ross wrote on Sun, 20 November 2011 08:27 |
This morning my 78 royale won't start. I just purchased my 78, had it at the garage to get an Ontario safety certificate to change ownership. The mechanic put in a new starter battery. On my drive home I noticed the volts were at about 11. Called him, and he suggested I do a test at the combiner which showed about 14. Yesterday I was running the gennie and it just stopped. It would turn over but not start. This morning I tried again but the batteries were dead [ 2-6 volt]. I tried starting the coach, it would turn over but not start. The volt meter on the dash doesnt register. Would the dead batteries on the gennie cause the coach not to start? I would appreciate any advise.
Ross
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Ok on the combiner. To answer your question on the generator I really need to know how many batteries you have total. Do you have a small battery in the the rear near the generator? If you do, then that it the starting battery for the generator. If not, then the generator starts off of the 2 6volt house batteries.
If I am understanding correctly, both the main engine and the generator will crank but will not start. Is that correct?
Also, If I understand correctly, you have one main engine starting battery up front plus two 6 volt house batteries. Is that correct?
In the morning I am headed to Owen Sound, On. I will pick up some stuff on Tuesday. Then I'll and head back home via Sarnia / Port Huron. If you have not found your problem(s) by Tuesday, I could re-route and stop by your place in the afternoon on Tuesday. I figure it is only about 100 miles from Owen Sound to Baden, ON and not that far out of my way. Correct me if I'm wrong. Are you just west of Kitchner off of Highway 7?
My only problem is I will not have cell phone service in Canada. Also the roads all seem to run at 45 degree angles up there from where I want to go. If you PM or email me your number today, I could call you before I leave Owen Sound on Tuesday and see how you are doing.
I wonder if my AT&T calling card still works and if it works in Canada?
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: won't start [message #150248 is a reply to message #150247] |
Sun, 20 November 2011 11:53 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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| Ken Burton wrote on Sun, 20 November 2011 11:50 |
| Ross wrote on Sun, 20 November 2011 08:27 |
This morning my 78 royale won't start. I just purchased my 78, had it at the garage to get an Ontario safety certificate to change ownership. The mechanic put in a new starter battery. On my drive home I noticed the volts were at about 11. Called him, and he suggested I do a test at the combiner which showed about 14. Yesterday I was running the gennie and it just stopped. It would turn over but not start. This morning I tried again but the batteries were dead [ 2-6 volt]. I tried starting the coach, it would turn over but not start. The volt meter on the dash doesnt register. Would the dead batteries on the gennie cause the coach not to start? I would appreciate any advise.
Ross
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Ok on the combiner. To answer your question on the generator I really need to know how many batteries you have total. Do you have a small battery in the the rear near the generator? If you do, then that it the starting battery for the generator. If not, then the generator starts off of the 2 6volt house batteries.
If I am understanding correctly, both the main engine and the generator will crank but will not start. Is that correct?
Also, If I understand correctly, you have one main engine starting battery up front plus two 6 volt house batteries. Is that correct?
In the morning I am headed to Owen Sound, On. I will pick up some stuff on Tuesday. Then I'll and head back home via Sarnia / Port Huron. If you have not found your problem(s) by Tuesday, I could re-route and stop by your place in the afternoon on Tuesday. I figure it is only about 100 miles from Owen Sound to Baden, ON and not that far out of my way. Correct me if I'm wrong. Are you just west of Kitchner off of Highway 7?
My only problem is I will not have cell phone service in Canada. Also the roads all seem to run at 45 degree angles up there from where I want to go. If you PM or email me your number today, I could call you before I leave Owen Sound on Tuesday and see how you are doing.
I wonder if my AT&T calling card still works and if it works in Canada?
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I see that Bruce just offered to stop by. It looks like you will not need me. Take Bruce up on his offer and let me know what you guys find.
Ken B.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: [GMCnet] won't start [message #150255 is a reply to message #150252] |
Sun, 20 November 2011 12:37 |
Ross
Messages: 44
Registered: September 2011
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Bruce and Ken...Thanks for the offer of assistance. The coach batteries were dead but the engine battery showed over 12 volts which would turn the motor but it would not start. I put the charger on the 2- 6volt batteries and boom the old girl started. With the engine running the gen. will turn over but it still wont start. I will address this issue at another time. I will try to figure out what is causing the coach batteries to drain. They are dated 1/11. To get my motorhome insurance, I need the propane tank and appliances tested. I have an appointment tomorrow. The royale will now run and that is my main concern.
Thank you again for all your help...Ross
Ross Hallman
78 Royale
Baden, On
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| Re: [GMCnet] won't start [message #150270 is a reply to message #150255] |
Sun, 20 November 2011 16:28 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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It sure sounds like you are starting on the house batteries rather than the engine battery. That coach should start with the house batteries (the two 6 volt ones) completely dead. It sounds like someone has some battery cables crossed.
Well, go get it inspected and when you bring it back home disconnect the batteries so they will not drain. You have Bruce right up the road there. Give him a call when you are ready to fix it so it won't discharge.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: [GMCnet] won't start [message #150272 is a reply to message #150252] |
Sun, 20 November 2011 16:44 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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| storm'n wrote on Sun, 20 November 2011 12:05 |
You'll be less than a 100 mi. from Dick Paterson Springfield Ignition in Coldwater.On. Have to be careful, that's in the snowbelt up there.
Norm
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I'll only be up there overnight. I checked the weather because I have not put my A/T tires on yet for the winter. Weather is suppose to be light rain with temps of 41 to 36 F.
I'm use to heavy lake snow. We get it here every winter. I keep inviting Ken H. to visit and go cross country skiing or snowmobiling. For some odd reason he always refuses.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: [GMCnet] won't start [message #150287 is a reply to message #150276] |
Sun, 20 November 2011 18:25 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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I'm coming, I'm coming! Just as soon as Hades & everywhere north and south
of there freeze over!
Ken H.
...
>
I'm use to heavy lake snow. We get it here every winter. I keep inviting
> Ken H. to visit and go cross country skiing or snowmobiling. For some odd
> reason he always refuses.
> --
> Ken Burton - N9KB
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: [GMCnet] won't start [message #150292 is a reply to message #150276] |
Sun, 20 November 2011 19:32 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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I knew my snow comment would bring you out of the shadows. How are you doing down there where it is suppose to be warm?
Ken B.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: [GMCnet] won't start [message #150303 is a reply to message #150292] |
Sun, 20 November 2011 21:02 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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Low 70's today; 79 tomorrow, 80 Tuesday. Hard to beat that with a stick!
When you & Laurie gonna figure out how much nicer it would be down here
with us? No more of that A/T tires foolishness. No snow plow. No
mackinaws & boots No more wondering "what the heck am I doing out in
this?" Seems like most of the Canadians have figured that out -- why can't
you?
Ken H.
On Sun, Nov 20, 2011 at 8:32 PM, Ken Burton wrote:
>
>
> I knew my snow comment would bring you out of the shadows. How are you
> doing down there where it is suppose to be warm?
>
> Ken B.
>
>
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: won't start [message #150329 is a reply to message #150220] |
Mon, 21 November 2011 08:24 |
Luvn737s
Messages: 1106
Registered: June 2007
Karma: 2
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Not cranking? How about a stuck boost solenoid that is draining the good battery?
Not firing? Maybe some crud got pulled into the finger filter at the carb when the fuel got low.
I have only run mine out of gas once near the storage lot when I was practicing what to do if I needed to dead-stick the coach some day. Ironic, ain't it?
Randy
1973 26' Painted Desert
Ahwatukee (Phoenix) AZ
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