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Interior Pics [message #67381]

Mon, 14 December 2009 04:05

Donovan-formerly Jase386

Messages: 139
Registered: January 2009
Location: Greenville SC

Karma: 0

Senior Member

I have searched the picture site without any luck. The pics im looking for may be there im just not finding them.

What im looking for are pictures of the interior of the bedroom, specifically the back wall, with all of the interior trim removed.

I want to see where all of the supports run. And if anyone has pictures showing where theyve had water running that would be GREAT.. I have water coming in somewhere around the back window, it runs from where the headliner meets the bottom plastic about 3/4 of the way down the window.

i have put in new clearance lights and gaskets which slowed the flood ALOT but this last little trickle is driving me crazy

Donovan, Greenville SC 1975 Eleganza II 81,500 miles

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Re: [GMCnet] Interior Pics [message #67382 is a reply to message #67381]

Mon, 14 December 2009 04:39

peter bailey

Messages: 367
Registered: March 2009
Location: Gawler, South Australia

Karma: 0

Senior Member

Hi,
I had water leaking where the fibreglass rear clip meets the aluminium main
frame across the top.
The rain had been leaking between these sections that the fixings holding
the clip to the frame had rusted out. new bolts along with sealer in the
joint fixed the problem. I put the sealer in the joint first and then
tensioned all the bolts holding the clip on across the roof (inside so panel
has to be removed) and sealer bulged out so I knew it was sealed.
My memory there is no frame work rear of the clip where it joins the main
frame.
The only other place it could leak is around the very back section where you
can see the domed fixings that hold that panel that has the window in it.
You have fixed the other problem area being the clearance lights.
From what you have described it is not leaking in the window rubber itself?
Hope that helps.
Peter Bailey
from Ozy (Aussie)

----- Original Message -----
From: "jase386" <jase386@aol.com>
To: <gmclist@temp.gmcnet.org>
Sent: Monday, December 14, 2009 8:35 PM
Subject: [GMCnet] Interior Pics

>
>
> I have searched the picture site without any luck. The pics im looking
> for may be there im just not finding them.
>
> What im looking for are pictures of the interior of the bedroom,
> specifically the back wall, with all of the interior trim removed.
>
> I want to see where all of the supports run. And if anyone has pictures
> showing where theyve had water running that would be GREAT.. I have water
> coming in somewhere around the back window, it runs from where the
> headliner meets the bottom plastic about 3/4 of the way down the window.
>
> i have put in new clearance lights and gaskets which slowed the flood ALOT
> but this last little trickle is driving me crazy
> --
> Donovan
> 1975 Eleganza II (Ellie)
> 72,500 miles
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>

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Re: [GMCnet] Interior Pics [message #67383 is a reply to message #67381]

Mon, 14 December 2009 05:06

Mr ERFisher

Messages: 7117
Registered: August 2005

Karma: 2

Senior Member

did you look here under "leak management"? also look at the other links here
for head liner replacement

http://gmcmotorhome.info/living.html#head

also this link shows a lot of the area under the clearance lights -- sound
like you might not have been under here yet ?

http://www.gmcmhphotos.com/photos/showphoto.php?photo=7221&ppuser=229

gene

On Mon, Dec 14, 2009 at 2:05 AM, jase386 <jase386@aol.com> wrote:

>
>
> I have searched the picture site without any luck. The pics im looking for
> may be there im just not finding them.
>
> What im looking for are pictures of the interior of the bedroom,
> specifically the back wall, with all of the interior trim removed.
>
> I want to see where all of the supports run. And if anyone has pictures
> showing where theyve had water running that would be GREAT.. I have water
> coming in somewhere around the back window, it runs from where the headliner
> meets the bottom plastic about 3/4 of the way down the window.
>
> i have put in new clearance lights and gaskets which slowed the flood ALOT
> but this last little trickle is driving me crazy
> --
> Donovan
> 1975 Eleganza II (Ellie)
> 72,500 miles
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>

--
Gene Fisher -- 74-23,77PB/ore/ca
�Give a man a fish; you have fed him for today --- give him a URL and
-------
http://gmcmotorhome.info/
Alternator Protection Cable
http://gmcmotorhome.info/APC.html
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Re: Interior Pics [message #67395 is a reply to message #67381]

Mon, 14 December 2009 10:14

idrob

Messages: 645
Registered: January 2005
Location: Central Idaho

Karma: 0

Senior Member

jase386 wrote on Mon, 14 December 2009 02:05

I have searched the picture site without any luck. The pics im looking for may be there im just not finding them.

What im looking for are pictures of the interior of the bedroom, specifically the back wall, with all of the interior trim removed.

I want to see where all of the supports run. And if anyone has pictures showing where theyve had water running that would be GREAT.. I have water coming in somewhere around the back window, it runs from where the headliner meets the bottom plastic about 3/4 of the way down the window.

i have put in new clearance lights and gaskets which slowed the flood ALOT but this last little trickle is driving me crazy

This photo shoot tells you some of what you might want to know. You may see some of the interior rear shots that show the inside without the trim. At the end of the set, there are some photos that show how I put 1/4" vacuum hose in the crack outside, between the main body and the rear window section to stop the leaks I had found prior to the headliner job. I think there is a very good probability that your leaks are from that exact same area, and will be solved by the same technique.

I hope this helps some.

http://www.gmcmhphotos.com/photos/showgallery.php?cat=4491

Rob Allen
former owner of '76 x-PB

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Re: [GMCnet] Interior Pics [message #67408 is a reply to message #67381]

Mon, 14 December 2009 12:02

Rick Denney

Messages: 430
Registered: January 2004

Karma: 0

Senior Member

jase386 writes...

> I have searched the picture site without any luck. The pics im
> looking for may be there im just not finding them.

These pictures may help. The rear section pictures are towards the end
of the album, but they are all about leaks.

http://www.gmcmhphotos.com/photos/showgallery.php?cat=4432

Rick "who still has a leak in the rear of the coach" Denney

'73 230 Ex-Glacier "Jaws"
Northern Virginia

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'73 Glacier 230 "Jaws"

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Re: Interior Pics [message #67481 is a reply to message #67381]

Tue, 15 December 2009 01:05

Donovan-formerly Jase386

Messages: 139
Registered: January 2009
Location: Greenville SC

Karma: 0

Senior Member

ok, Great information from you guys, and FAST as usual.

Now if any of you would come to Greenville and go to work for me for a week or two, i can devote some time to projects. that would be great.

It looks like ill try the Vaccum tube as a sealer first to see if that helps. By looking at the pictures its a huge possibility that is where my trickle is coming from.

Donovan, Greenville SC 1975 Eleganza II 81,500 miles

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[GMCnet] Alternator wiring [message #74441 is a reply to message #67408]

Sat, 20 February 2010 07:38

Gary Casey

Messages: 448
Registered: September 2009

Karma: 0

Senior Member

I have a suspicion that I'm not as good as I should be at searching (well, it's more than a suspicion :-), but I can't find a description of the alternator wiring. From memory of the distant past, I think The alternator (the standard humungus Delco with internal regulator) has a wire coming out that is connected directly to the voltage regulator supply. This wire goes to the warning light, which is switched ignition power. The current through the light is expected to provide enough field current to wake up the alternator. The regulator supply is also connected to the stator windings through three diodes (the "diode trio") and this powers the regulator after the alternator comes on line, shutting off the light (both sides are "high"). Do I have it right? Then what does the high-impedance wire do and where is it connected?

My light stays on even though the alternator is producing the correct voltage - brighter when charging a lot, but always on at least dimly. Could this be partly caused by the voltage drop of the isolator?

Unrelated question - is the "boost" solenoid a continous-duty device that would allow it to function as a manual "combiner"? Standard aircraft "master" contactors are configured in such a way - they are rated at high enough currents to run the starter, but are still continuous duty. They just can't be expected to switch starter loads.

Thanks,
Gary Casey
'73 23'

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Re: [GMCnet] Alternator wiring [message #74443 is a reply to message #74441]

Sat, 20 February 2010 08:02

RF_Burns

Messages: 2277
Registered: June 2008
Location: S. Ontario, Canada

Karma: 3

Senior Member

Gary,
I think this is what you are looking for.. your profile says you have a '73 and this says 76/77, but I think its near the same.

http://www.gmcmhphotos.com/photos/showgallery.php?cat=3254

The 10 ohm wire actually supplies the field current to get the alternator started.

BTW, your post on the forum is buried at the end of an old thread called "Interior Pics"

Bruce Hislop
ON Canada
77PB, 455 Dick P. rebuilt, DynamicEFI EBL EFI & ESC.
1 ton front end
http://www.gmcmhphotos.com/photos/showphoto.php?photo=29001
My Staff says I never listen to them, or something like that

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Re: [GMCnet] Alternator wiring [message #74458 is a reply to message #74441]

Sat, 20 February 2010 11:25

hasbeen

Messages: 66
Registered: August 2005
Location: Cave Creek, AZ

Karma: 0

Member

Gary, look at this also. May be helpful. Jim
http://gmcmotorhome.info/APC.html

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Re: [GMCnet] Alternator wiring [message #74528 is a reply to message #74441]

Sun, 21 February 2010 09:35

Mr ERFisher

Messages: 7117
Registered: August 2005

Karma: 2

Senior Member

lets give this a shot, you can look at this diagram

http://www.gmcmhphotos.com/photos/showphoto.php?photo=3731&cat=3254

the big red wire is the output of the alternator and goes to the center
terminal of the diode isolator.

the small black wire comes out of the little plastic connector and goes to a
10 ohm, more than 40 watt resistor, which is connected to the ACC portion of
the Ignition switch. (Do not use a 100 ohm resistor here because this will
not supply the 2 amps, and your alternator may not start up for 3 to 10
minutes every time ;>)

This wire supply's 2 amps to the alternator to get it running and should
contain a diode (the APC cable will do this ,shown in green) . The diode
here keeps the alternator (when it goes bad) from feeding 100 volts back to
the nichrome resistor which will melt the other wires in the harness. This
diode also stops your alternator light from glowing dim from other false
indications. The 77/78 diode was put in by GMC to stop these false
indications, but was in the wrong place to protect from an alternator
failure.

The last wire goes to the battery to give the alternator a reference voltage
to eliminate any voltage drop due to the isolator diodes.

A very good design by GMC that works well and causes no problems unless
there is a catastrophic alternator failure, and then the APC protects the
wiring from this failure.

finally

your alternator light should not glow dim (with the APC)...... something
wrong there.

I think The alternator (the standard humungus Delco with internal
regulator) has a wire coming out that is connected directly to the voltage
regulator supply. This wire goes to the warning light, which is switched
ignition power.

nope, the 10 resistor does this

The current through the light is expected to provide enough field current
to wake up the alternator.

>
> My light stays on even though the alternator is producing the correct
> voltage - brighter when charging a lot, but always on at least dimly. Could
> this be partly caused by the voltage drop of the isolator?
>

something is wrong, read here
http://www.gmcmotorhome.info/engine.html#alternator

>
> Unrelated question - is the "boost" solenoid a continous-duty device that
> would allow it to function as a manual "combiner"?
>

not really, many have failed in this use, better to use a combiner, it has
many other useful features and only takes 10 min to install

http://www.gmcmhphotos.com/photos/showphoto.php?photo=26973&title=10-minute-combiner-install&cat=4944

this is easy-- good luck
gene

>
> Thanks,
> Gary Casey
> '73 23'
>
>
>
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>

--
Gene Fisher -- 74-23,77PB/ore/ca
�Give a man a fish; you have fed him for today --- give him a URL and
-------
http://gmcmotorhome.info/
Alternator Protection Cable
http://gmcmotorhome.info/APC.html
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Re: [GMCnet] alternator wiring [message #331694 is a reply to message #74441]

Thu, 03 May 2018 19:44

Ek_Lektro

Messages: 167
Registered: March 2011

Karma: 2

Senior Member

Thanks for the suggestions everybody,
and here’s a bit more clarification:

> If someone has replaced the connector at the end of the alt wire it is
> quite possible the wire spades got switched when inserted into the new
> connector body.

yes, apparently the previous owner had an issue this connector,
because i only have 2 individual spade connectors… which are easy to accidentally reverse!

> Those connections are not weather tight and subject to oxidation

yes! especially without the connector casing...

> If your voltage sense wire has a loose connection
> It could be read as low voltage and cause the voltage regulator to step up the charge voltage. This could happen whether you have an APC or not.

OK, so i will definitely clean up or all-out replace the spade connectors.

So... the step by step directions i got last time (if i recall correctly?) involved checking voltage and alternator light status during pre-ignition and ignition, to make sure that the 2 individual spades are hooked up to the correct alternator terminal. Anybody know the procedure?

And this time i will take care to label these spades so this never happens again!

thanks much! cheers,
Greg
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Re: [GMCnet] alternator wiring [message #331696 is a reply to message #331694]

Thu, 03 May 2018 20:44

sgltrac

Messages: 2797
Registered: April 2011

Karma: 1

Senior Member

Or you could go to the "help" rack at your local auto parts store and buy
the correct pigtail with a captive prong (to keep the plug from falling
out) which you can then either splice in or remove the wire tails and put
your female spade connectors into. More sanitary.

Sully
77 eleganza 2
Bellevue

On Thu, May 3, 2018 at 5:44 PM, Ek_Lektro wrote:

> Thanks for the suggestions everybody,
> and here’s a bit more clarification:
>
>> If someone has replaced the connector at the end of the alt wire it is
>> quite possible the wire spades got switched when inserted into the new
>> connector body.
>
> yes, apparently the previous owner had an issue this connector,
> because i only have 2 individual spade connectors… which are easy to
> accidentally reverse!
>
>> Those connections are not weather tight and subject to oxidation
>
> yes! especially without the connector casing...
>
>> If your voltage sense wire has a loose connection
>> It could be read as low voltage and cause the voltage regulator to step
> up the charge voltage. This could happen whether you have an APC or not.
>
>
> OK, so i will definitely clean up or all-out replace the spade connectors.
>
> So... the step by step directions i got last time (if i recall correctly?)
> involved checking voltage and alternator light status during pre-ignition
> and ignition, to make sure that the 2 individual spades are hooked up to
> the correct alternator terminal. Anybody know the procedure?
>
> And this time i will take care to label these spades so this never happens
> again!
>
> thanks much! cheers,
> Greg
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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Sully 77 Royale basket case. Future motorhome land speed record holder(bucket list) Seattle, Wa.

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Re: [GMCnet] alternator wiring [message #331709 is a reply to message #331696]

Fri, 04 May 2018 05:50

Bruce Hart

Messages: 1500
Registered: October 2011
Location: La Grange, Wyoming

Karma: 5

Senior Member

Posted from Emory's alternator issue.

I also had a 6 month old NAPA alternator that was putting out 18 volts.
Had it tested at NAPA and it tripped out the test equipment twice.
Got a new alternator on warranty.

My plug from the APC would could go on either way. I replaced with new
connector cover so it fits only in the correct position.

https://www.napaonline.com/en/p/ECHVRC148

On Thu, May 3, 2018 at 7:44 PM, Todd Sullivan wrote:

> Or you could go to the "help" rack at your local auto parts store and buy
> the correct pigtail with a captive prong (to keep the plug from falling
> out) which you can then either splice in or remove the wire tails and put
> your female spade connectors into. More sanitary.
>
> Sully
> 77 eleganza 2
> Bellevue
>
> On Thu, May 3, 2018 at 5:44 PM, Ek_Lektro wrote:
>
>> Thanks for the suggestions everybody,
>> and here’s a bit more clarification:
>>
>>> If someone has replaced the connector at the end of the alt wire it is
>>> quite possible the wire spades got switched when inserted into the new
>>> connector body.
>>
>> yes, apparently the previous owner had an issue this connector,
>> because i only have 2 individual spade connectors… which are easy to
>> accidentally reverse!
>>
>>> Those connections are not weather tight and subject to oxidation
>>
>> yes! especially without the connector casing...
>>
>>> If your voltage sense wire has a loose connection
>>> It could be read as low voltage and cause the voltage regulator to step
>> up the charge voltage. This could happen whether you have an APC or not.
>>
>>
>> OK, so i will definitely clean up or all-out replace the spade
> connectors.
>>
>> So... the step by step directions i got last time (if i recall
> correctly?)
>> involved checking voltage and alternator light status during pre-ignition
>> and ignition, to make sure that the 2 individual spades are hooked up to
>> the correct alternator terminal. Anybody know the procedure?
>>
>> And this time i will take care to label these spades so this never
> happens
>> again!
>>
>> thanks much! cheers,
>> Greg
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
> _______________________________________________
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>

--
Bruce Hart
1976 Palm Beach
Milliken, Co
GMC=Got More Class
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Bruce Hart 1976 Palm Beach 1977 28' Kingsley La Grange, Wyoming

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Re: [GMCnet] alternator wiring [message #331714 is a reply to message #74441]

Fri, 04 May 2018 10:08

Ek_Lektro

Messages: 167
Registered: March 2011

Karma: 2

Senior Member

thanks for the link Bruce
>
> https://www.napaonline.com/en/p/ECHVRC148
I greatly appreciate all the tips on the integrity of the connections, and replacing the missing connector,
and i’ll make that part of my fix!
But first i do need to confirm 100% that the 2 wires are going to the 2
proper terminals. i’m fairly sure that this time they’re connected correctly,
and that the 16.5v might be due to a borderline poor connection
(but after a quick clean-up i’m still seeing 16.5)...
So… I could really use the info on that testing “procedure”, if anyone recalls how to do it.
(Maybe it was a Jim Bounds testing trick, dictated over the phone (?)
but i figured i’d try here before i bothered Jim, again!
thanks everybody,
Greg
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Re: [GMCnet] alternator wiring [message #331732 is a reply to message #331714]

Fri, 04 May 2018 18:02

Mr ERFisher

Messages: 7117
Registered: August 2005

Karma: 2

Senior Member

Was this it?
Read here
http://www.gmcmhphotos.com/photos/data/15/GMC_charging_system_checkout.pdf

On Fri, May 4, 2018 at 8:08 AM Ek_Lektro wrote:

> thanks for the link Bruce
>>
>> https://www.napaonline.com/en/p/ECHVRC148 https://www.napaonline.com/en/p/ECHVRC148>
> I greatly appreciate all the tips on the integrity of the connections, and
> replacing the missing connector,
> and i’ll make that part of my fix!
> But first i do need to confirm 100% that the 2 wires are going to the 2
> proper terminals. i’m fairly sure that this time they’re connected
> correctly,
> and that the 16.5v might be due to a borderline poor connection
> (but after a quick clean-up i’m still seeing 16.5)...
> So… I could really use the info on that testing “procedure”, if anyone
> recalls how to do it.
> (Maybe it was a Jim Bounds testing trick, dictated over the phone (?)
> but i figured i’d try here before i bothered Jim, again!
> thanks everybody,
> Greg
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Gene Fisher -- 74-23,77PB/ore/ca
“Give a man a fish; you have fed him for today --- give him a URL and
-------
http://gmcmotorhome.info/
Alternator Protection Cable
http://gmcmotorhome.info/APC.html
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Re: [GMCnet] alternator wiring [message #331793 is a reply to message #74441]

Mon, 07 May 2018 12:19

Ek_Lektro

Messages: 167
Registered: March 2011

Karma: 2

Senior Member

>> need to confirm 100% that the 2 wires are going to the 2
>> proper terminals.

>> .So I could really use the info on that testing procedure, if anyone
>> recalls how to do it.

> Was this it?
> http://www.gmcmhphotos.com/photos/data/15/GMC_charging_system_checkout.pdf

Hey Gene, thanks for that link. That’s not the exact test,
but at this point maybe i can work with it :)

thanks!
Greg
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