Home » Public Forums » GMCnet » Re: [GMCnet] 'brake' light on dash. what does it mean?
| Re: [GMCnet] 'brake' light on dash. what does it mean? [message #357916] |
Fri, 21 August 2020 18:44  |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Senior Member |
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There is no warning light that tells the driver that the e-brake is still
on, that the factory installed. There should be, that is for certain. If
you really want to glaze your rear drums, just drive a few miles with the
e-brake on. If you are rebuilding your brakes, always deglaze your drums.
Jim Hupy
Salem ,Oregon
On Fri, Aug 21, 2020, 4:33 PM Emery Stora via Gmclist <
gmclist@list.gmcnet.org> wrote:
> There are actually two brake lights on the dash. One in the speedometer
> cluster is actuated by the switch on the side of the parking bracket by the
> floor. The other is in the warning light cluster. This is actuated by the
> Brake combination Switch which is located in the brake lines on the frame
> inside the driver’s side front wheel. There is a wire on the top that comes
> on if the spindle inside the switch moves either forward or back indicating
> a failure or low fluid either in the front or rear brakes.
>
> Emery Stora
> 77 Kingsley
> Frederick CO
>
>> On Aug 21, 2020, at 5:21 PM, Greg Crawford via Gmclist gmclist@list.gmcnet.org> wrote:
>>
>> Well, I know when I accidentally left my parking brake on while driving
> the coach from Texas, no lights lit. It was only after the brakes got hot
> and
>> I glided through a red light with NO brakes that the
>>
>> "Brake" light came on.
>>
>> So, on mine at least, I think there is a different (currently
> non-working) light to indicate stupidity, er, I mean leaving the parking
> brake on.
>>
>>
>> Coach is currently in my driveway on blocks undergoing brake renewal.
>> --
>> Greg Crawford
>> Knoxville, TN
>>
>> 1977 Royale
>> 403
>> Rear Bath
>> American Eagle Wheels
>> Alex Sirum Quad bags
>>
>> _______________________________________________
>> GMCnet mailing list
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>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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| Re: [GMCnet] 'brake' light on dash. what does it mean? [message #357919 is a reply to message #357916] |
Fri, 21 August 2020 20:10  |
stu@97381.com, Emery
Messages: 232
Registered: June 2020
Karma: 2
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Senior Member |
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Jim — you are wrong on this one. I seldom have found you in error but you are this time.
I have a 1977 Kingsley. In the Owner’s Operating Manual for 1977 on page 24 t says:
To help remind you, the “Park Brake” light is designed to come on if the parking brake control is not fully released and the ignition key is on.
I believe you have a 1978 Royale. On page 18 of the 1978 Transmode manual it says:
To help remind you, the “Park Brake” light is designed to come on if the parking brake control is not fully released and the ignition key is on.
I even checked the 1973 Owner’s Operating Manual and it also says:
To help remind you, the “Park Brake” light is designed to come on if the parking brake control is not fully released and the ignition key is on.
So it appears that GMC installed this on all models.
Emery Stora
77 Kingsley
Frederick, CO
> On Aug 21, 2020, at 5:44 PM, James Hupy via Gmclist wrote:
>
> There is no warning light that tells the driver that the e-brake is still
> on, that the factory installed. There should be, that is for certain. If
> you really want to glaze your rear drums, just drive a few miles with the
> e-brake on. If you are rebuilding your brakes, always deglaze your drums.
> Jim Hupy
> Salem ,Oregon
>
> On Fri, Aug 21, 2020, 4:33 PM Emery Stora via Gmclist gmclist@list.gmcnet.org> wrote:
>
>> There are actually two brake lights on the dash. One in the speedometer
>> cluster is actuated by the switch on the side of the parking bracket by the
>> floor. The other is in the warning light cluster. This is actuated by the
>> Brake combination Switch which is located in the brake lines on the frame
>> inside the driver’s side front wheel. There is a wire on the top that comes
>> on if the spindle inside the switch moves either forward or back indicating
>> a failure or low fluid either in the front or rear brakes.
>>
>> Emery Stora
>> 77 Kingsley
>> Frederick CO
>>
>>> On Aug 21, 2020, at 5:21 PM, Greg Crawford via Gmclist > gmclist@list.gmcnet.org> wrote:
>>>
>>> Well, I know when I accidentally left my parking brake on while driving
>> the coach from Texas, no lights lit. It was only after the brakes got hot
>> and
>>> I glided through a red light with NO brakes that the
>>>
>>> "Brake" light came on.
>>>
>>> So, on mine at least, I think there is a different (currently
>> non-working) light to indicate stupidity, er, I mean leaving the parking
>> brake on.
>>>
>>>
>>> Coach is currently in my driveway on blocks undergoing brake renewal.
>>> --
>>> Greg Crawford
>>> Knoxville, TN
>>>
>>> 1977 Royale
>>> 403
>>> Rear Bath
>>> American Eagle Wheels
>>> Alex Sirum Quad bags
>>>
>>> _______________________________________________
>>> GMCnet mailing list
>>> Unsubscribe or Change List Options:
>>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
> _______________________________________________
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| Re: [GMCnet] 'brake' light on dash. what does it mean? [message #357920 is a reply to message #357916] |
Fri, 21 August 2020 20:12 |
stu@97381.com, Emery
Messages: 232
Registered: June 2020
Karma: 2
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Senior Member |
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James - it just occurred to me that perhaps your dash bulb is burned out for the parking brake warning light.
Emery Stora
> On Aug 21, 2020, at 5:44 PM, James Hupy via Gmclist wrote:
>
> There is no warning light that tells the driver that the e-brake is still
> on, that the factory installed. There should be, that is for certain. If
> you really want to glaze your rear drums, just drive a few miles with the
> e-brake on. If you are rebuilding your brakes, always deglaze your drums.
> Jim Hupy
> Salem ,Oregon
>
> On Fri, Aug 21, 2020, 4:33 PM Emery Stora via Gmclist gmclist@list.gmcnet.org> wrote:
>
>> There are actually two brake lights on the dash. One in the speedometer
>> cluster is actuated by the switch on the side of the parking bracket by the
>> floor. The other is in the warning light cluster. This is actuated by the
>> Brake combination Switch which is located in the brake lines on the frame
>> inside the driver’s side front wheel. There is a wire on the top that comes
>> on if the spindle inside the switch moves either forward or back indicating
>> a failure or low fluid either in the front or rear brakes.
>>
>> Emery Stora
>> 77 Kingsley
>> Frederick CO
>>
>>> On Aug 21, 2020, at 5:21 PM, Greg Crawford via Gmclist > gmclist@list.gmcnet.org> wrote:
>>>
>>> Well, I know when I accidentally left my parking brake on while driving
>> the coach from Texas, no lights lit. It was only after the brakes got hot
>> and
>>> I glided through a red light with NO brakes that the
>>>
>>> "Brake" light came on.
>>>
>>> So, on mine at least, I think there is a different (currently
>> non-working) light to indicate stupidity, er, I mean leaving the parking
>> brake on.
>>>
>>>
>>> Coach is currently in my driveway on blocks undergoing brake renewal.
>>> --
>>> Greg Crawford
>>> Knoxville, TN
>>>
>>> 1977 Royale
>>> 403
>>> Rear Bath
>>> American Eagle Wheels
>>> Alex Sirum Quad bags
>>>
>>> _______________________________________________
>>> GMCnet mailing list
>>> Unsubscribe or Change List Options:
>>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
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| Re: [GMCnet] 'brake' light on dash. what does it mean? [message #357921 is a reply to message #357916] |
Fri, 21 August 2020 20:36 |
Rick Staples
Messages: 126
Registered: May 2014
Location: Johnstown, Colorado, USA
Karma: -1
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Senior Member |
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Emery's right on this one. I know because I broke my switch while removing and reinstalling the side panel next to the driver's seat. Hope I can find a replacement or fab a substitute.
Rick Staples
Rick Staples, '75 Eleganza, Johnstown, CO
"Advice is a dangerous gift, even from the Wise to the Wise, and all paths may run ill." -Tolkien
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| Re: [GMCnet] 'brake' light on dash. what does it mean? [message #357922 is a reply to message #357921] |
Fri, 21 August 2020 20:44 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
|
Senior Member |
|
|
Well son of a gun. I stand corrected. I provided information that misled
people out there, I am truly sorry. I have never seen a functioning warning
light for leaving the parking brake applied, so I just ASS U MED that there
wasn't one. I was wrong.
Jim Hupy
Salem, Oregon
On Fri, Aug 21, 2020, 6:37 PM Richard H Staples via Gmclist <
gmclist@list.gmcnet.org> wrote:
> Emery's right on this one. I know because I broke my switch while
> removing and reinstalling the side panel next to the driver's seat. Hope I
> can
> find a replacement or fab a substitute.
>
> Rick Staples
>
>
> --
> Rick Staples, '75 Eleganza, Johnstown, CO
>
> "Advice is a dangerous gift, even from the Wise to the Wise, and all paths
> may run ill." -Tolkien
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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| Re: [GMCnet] 'brake' light on dash. what does it mean? [message #357925 is a reply to message #357922] |
Fri, 21 August 2020 21:55 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
|
Senior Member |
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Darn you guys and your nit-picking!!! You should know I'd have to look at
the wiring diagram!
Emery, I hate to tell you this, but you got it bass ackards, at least on
the '75-'76 diagram: The lamp in the speedometer's connected to the
combination valve's differential pressure switch. The lamp in the
tell-tale cluster connects to the parking brake handle switch. I know,
that's bass ackards to how it OUGHT to be -- but it's the way it is.
Maybe some other years are different, but it's too late for me to go
checking tonight. :-)
Ken "Busy Body" H.
On Fri, Aug 21, 2020 at 9:45 PM James Hupy via Gmclist <
gmclist@list.gmcnet.org> wrote:
> Well son of a gun. I stand corrected. I provided information that misled
> people out there, I am truly sorry. I have never seen a functioning warning
> light for leaving the parking brake applied, so I just ASS U MED that there
> wasn't one. I was wrong.
> Jim Hupy
> Salem, Oregon
>
> On Fri, Aug 21, 2020, 6:37 PM Richard H Staples via Gmclist gmclist@list.gmcnet.org> wrote:
>
>> Emery's right on this one. I know because I broke my switch while
>> removing and reinstalling the side panel next to the driver's seat.
> Hope I
>> can
>> find a replacement or fab a substitute.
>>
>> Rick Staples
>>
>>
>> --
>> Rick Staples, '75 Eleganza, Johnstown, CO
>>
>> "Advice is a dangerous gift, even from the Wise to the Wise, and all
> paths
>> may run ill." -Tolkien
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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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] 'brake' light on dash. what does it mean? [message #357942 is a reply to message #357925] |
Sat, 22 August 2020 11:25 |
stu@97381.com, Emery
Messages: 232
Registered: June 2020
Karma: 2
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Senior Member |
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Ken
Don’t be so dammed right all the time. Every time you post about 50 people grab their books to see if you are correct!
Emery Stora
> On Aug 21, 2020, at 8:56 PM, Ken Henderson via Gmclist wrote:
>
> Darn you guys and your nit-picking!!! You should know I'd have to look at
> the wiring diagram!
>
> Emery, I hate to tell you this, but you got it bass ackards, at least on
> the '75-'76 diagram: The lamp in the speedometer's connected to the
> combination valve's differential pressure switch. The lamp in the
> tell-tale cluster connects to the parking brake handle switch. I know,
> that's bass ackards to how it OUGHT to be -- but it's the way it is.
>
> Maybe some other years are different, but it's too late for me to go
> checking tonight. :-)
>
> Ken "Busy Body" H.
>
>
>> On Fri, Aug 21, 2020 at 9:45 PM James Hupy via Gmclist > gmclist@list.gmcnet.org> wrote:
>>
>> Well son of a gun. I stand corrected. I provided information that misled
>> people out there, I am truly sorry. I have never seen a functioning warning
>> light for leaving the parking brake applied, so I just ASS U MED that there
>> wasn't one. I was wrong.
>> Jim Hupy
>> Salem, Oregon
>>
>> On Fri, Aug 21, 2020, 6:37 PM Richard H Staples via Gmclist > gmclist@list.gmcnet.org> wrote:
>>
>>> Emery's right on this one. I know because I broke my switch while
>>> removing and reinstalling the side panel next to the driver's seat.
>> Hope I
>>> can
>>> find a replacement or fab a substitute.
>>>
>>> Rick Staples
>>>
>>>
>>> --
>>> Rick Staples, '75 Eleganza, Johnstown, CO
>>>
>>> "Advice is a dangerous gift, even from the Wise to the Wise, and all
>> paths
>>> may run ill." -Tolkien
>>>
>>> _______________________________________________
>>> GMCnet mailing list
>>> Unsubscribe or Change List Options:
>>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
> _______________________________________________
> GMCnet mailing list
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| Re: [GMCnet] 'brake' light on dash. what does it mean? [message #357946 is a reply to message #357942] |
Sat, 22 August 2020 11:59 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
|
Senior Member |
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Touche' :-)
Ken H.
On Sat, Aug 22, 2020 at 12:26 PM Emery Stora via Gmclist <
gmclist@list.gmcnet.org> wrote:
> Ken
> Don’t be so dammed right all the time. Every time you post about 50 people
> grab their books to see if you are correct!
>
> Emery Stora
>
>> On Aug 21, 2020, at 8:56 PM, Ken Henderson via Gmclist gmclist@list.gmcnet.org> wrote:
>>
>> Darn you guys and your nit-picking!!! You should know I'd have to look
> at
>> the wiring diagram!
>>
>> Emery, I hate to tell you this, but you got it bass ackards, at least on
>> the '75-'76 diagram: The lamp in the speedometer's connected to the
>> combination valve's differential pressure switch. The lamp in the
>> tell-tale cluster connects to the parking brake handle switch. I know,
>> that's bass ackards to how it OUGHT to be -- but it's the way it is.
>>
>> Maybe some other years are different, but it's too late for me to go
>> checking tonight. :-)
>>
>> Ken "Busy Body" H.
>>
>>
>>> On Fri, Aug 21, 2020 at 9:45 PM James Hupy via Gmclist >> gmclist@list.gmcnet.org> wrote:
>>>
>>> Well son of a gun. I stand corrected. I provided information that
> misled
>>> people out there, I am truly sorry. I have never seen a functioning
> warning
>>> light for leaving the parking brake applied, so I just ASS U MED that
> there
>>> wasn't one. I was wrong.
>>> Jim Hupy
>>> Salem, Oregon
>>>
>>> On Fri, Aug 21, 2020, 6:37 PM Richard H Staples via Gmclist >> gmclist@list.gmcnet.org> wrote:
>>>
>>>> Emery's right on this one. I know because I broke my switch while
>>>> removing and reinstalling the side panel next to the driver's seat.
>>> Hope I
>>>> can
>>>> find a replacement or fab a substitute.
>>>>
>>>> Rick Staples
>>>>
>>>>
>>>> --
>>>> Rick Staples, '75 Eleganza, Johnstown, CO
>>>>
>>>> "Advice is a dangerous gift, even from the Wise to the Wise, and all
>>> paths
>>>> may run ill." -Tolkien
>>>>
>>>> _______________________________________________
>>>> GMCnet mailing list
>>>> Unsubscribe or Change List Options:
>>>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>>>
>>> _______________________________________________
>>> GMCnet mailing list
>>> Unsubscribe or Change List Options:
>>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
_______________________________________________
GMCnet mailing list
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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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