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floor lights [message #303206]

Thu, 07 July 2016 08:21

kstockwell

Messages: 367
Registered: May 2016
Location: Putney VT

Karma: 4

Senior Member

So I tried to replace the floor lights to LEDs (put LEDs everywhere else) but I couldn't get them to turn on.

The bayonet fit, but on the floor incandescent there's an indent on the bottom- concave (still one contact). The replacement bulbs all are convex. The electrical connection is a plastic disc with a wire/nub end on it.

Are there other bayonet bulbs? I can't seem to imbed photos no matter the size.

thank you
kelly

1978 Kingsley Putney VT

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Re: [GMCnet] floor lights [message #303210 is a reply to message #303206]

Thu, 07 July 2016 08:50

bdub

Messages: 1578
Registered: February 2004
Location: Central Texas

Karma: 5

Senior Member

Photos must be posted on an outside location, then share a link to it in
your email. This is yet a text only email list.

On Thu, Jul 7, 2016 at 8:21 AM, kelly stockwell wrote:

> So I tried to replace the floor lights to LEDs (put LEDs everywhere else)
> but I couldn't get them to turn on.
>
> The bayonet fit, but on the floor incandescent there's an indent on the
> bottom- concave (still one contact). The replacement bulbs all are convex.
> The electrical connection is a plastic disc with a wire/nub end on it.
>
> Are there other bayonet bulbs? I can't seem to imbed photos no matter the
> size.
>
> thank you
> kelly
> --
> 1978 Kingsley
> Putney VT
>
> _______________________________________________
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> Unsubscribe or Change List Options:
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bdub
'76 Palm Beach/Central Texas
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Re: [GMCnet] floor lights [message #303211 is a reply to message #303210]

Thu, 07 July 2016 09:16

drdonaldg

Messages: 35
Registered: June 2013
Location: San Rafael, CA

Karma: 1

Member

You need to reverse the leads going to the light sockets, LED lights need to have the correct polarity and our GMC's have the positive wire connected to the ground side of the light socket.

1977 Palm Beach TZE167V100274

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Re: floor lights [message #303212 is a reply to message #303206]

Thu, 07 July 2016 09:22

wally

Messages: 643
Registered: August 2004
Location: Omaha Nebraska

Karma: 5

Senior Member

kstockwell wrote on Thu, 07 July 2016 08:21

So I tried to replace the floor lights to LEDs (put LEDs everywhere else) but I couldn't get them to turn on.

The bayonet fit, but on the floor incandescent there's an indent on the bottom- concave (still one contact). The replacement bulbs all are convex. The electrical connection is a plastic disc with a wire/nub end on it.

Are there other bayonet bulbs? I can't seem to imbed photos no matter the size.

thank you
kelly

Some GMC's had floor sockets wired backwards instead of the center being positive. LED's won't work with opposite polarity. It can be tested with a voltmeter. Ours were backwards and after swapping wires LEDs are OK.

Wally Anderson
Omaha NE
75 Glenbrook

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Re: floor lights [message #303218 is a reply to message #303212]

Thu, 07 July 2016 10:30

kstockwell

Messages: 367
Registered: May 2016
Location: Putney VT

Karma: 4

Senior Member

tricky GMCers!
I'll check that out. it really didn't seem like I wasn't getting the right connection despite the concave/convex thing.

thank you, i'll report back
k

wally wrote on Thu, 07 July 2016 10:22

kstockwell wrote on Thu, 07 July 2016 08:21
So I tried to replace the floor lights to LEDs (put LEDs everywhere else) but I couldn't get them to turn on.

The bayonet fit, but on the floor incandescent there's an indent on the bottom- concave (still one contact). The replacement bulbs all are convex. The electrical connection is a plastic disc with a wire/nub end on it.

Are there other bayonet bulbs? I can't seem to imbed photos no matter the size.

thank you
kelly

Some GMC's had floor sockets wired backwards instead of the center being positive. LED's won't work with opposite polarity. It can be tested with a voltmeter. Ours were backwards and after swapping wires LEDs are OK.

1978 Kingsley Putney VT

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Re: floor lights [message #303222 is a reply to message #303206]

Thu, 07 July 2016 11:56

A Hamilto

Messages: 4508
Registered: April 2011

Karma: 39

Senior Member

kstockwell wrote on Thu, 07 July 2016 08:21

...I can't seem to imbed photos no matter the size. ...

The GMCNet servers do not have hard drives sized for any number of photos, so the admin set the size limit to next to nothing. The correct way to imbed pictures in GMCNet is explained here: http://gmc.mybirdfeeder.net/GMCforum/index.php?t=msg&th=31075&start=0&rid=2083

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Re: floor lights [message #303223 is a reply to message #303206]

Thu, 07 July 2016 12:18

Matt Colie

Messages: 8547
Registered: March 2007
Location: S.E. Michigan

Karma: 7

Senior Member

kstockwell wrote on Thu, 07 July 2016 09:21

So I tried to replace the floor lights to LEDs (put LEDs everywhere else) but I couldn't get them to turn on.

The bayonet fit, but on the floor incandescent there's an indent on the bottom- concave (still one contact). The replacement bulbs all are convex. The electrical connection is a plastic disc with a wire/nub end on it.

Are there other bayonet bulbs? I can't seem to imbed photos no matter the size.

thank you
kelly

Kelly,

I had the same problem with the floor and the marker lights. I had so much trouble with the floor lights that I went out and got red trailer clearance lights and put them in. I wanted red there anyway. I wired them in hot so if they did not light, I could reverse the leads.
I did the clearance lights on the roof the same way. They were all backwards too.

Matt

Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit

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Re: floor lights [message #303228 is a reply to message #303223]

Thu, 07 July 2016 14:20

kstockwell

Messages: 367
Registered: May 2016
Location: Putney VT

Karma: 4

Senior Member

polarity reversed

never would have occurred to me!

thank you

kelly

1978 Kingsley Putney VT

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Re: floor lights [message #303240 is a reply to message #303206]

Thu, 07 July 2016 17:27

thainglo

Messages: 132
Registered: March 2015
Location: Iowa

Karma: 2

Senior Member

Kelly - what type of bulb did you buy? I'd like to do the same replacement and managed to get the wrong LED and haven't tried again.

Thanks!
Matt

Matt Sladek 1976 Eleganza II Coralville, IA

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Re: floor lights [message #303249 is a reply to message #303206]

Thu, 07 July 2016 19:52

JohnL455

Messages: 4447
Registered: October 2006
Location: Woodstock, IL

Karma: 12

Senior Member

As far as polarity reveresed, the booster fans on the furnace to the rear vents suffered the same color code issue and many ran backwards creating dismal output.

John Lebetski
Woodstock, IL
77 Eleganza II

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Re: floor lights [message #303258 is a reply to message #303240]

Fri, 08 July 2016 06:37

kstockwell

Messages: 367
Registered: May 2016
Location: Putney VT

Karma: 4

Senior Member

thainglo wrote on Thu, 07 July 2016 18:27

Kelly - what type of bulb did you buy? I'd like to do the same replacement and managed to get the wrong LED and haven't tried again.

Thanks!
Matt

I got two different LED bulbs
this one is really bright and has great color temp (3000K) but pricey
https://www.amazon.com/gp/product/B008XB9BJY/ref=oh_aui_detailpage_o04_s00?ie=UTF8&psc=1

I have one of these over the dinette, kitchen, couch and in 2 spots in the bathroom

and this one is not as bright and higher color temp (greener)
https://www.amazon.com/gp/product/B013S9O316/ref=oh_aui_detailpage_o09_s00?ie=UTF8&psc=1

these are going in the floor lighting, second spot over the dinette, couch, etc. I've been looking at different fixtures- so I might change fixtures and get a PWM dimmer and use two of the fancy ones. I really like the colors better.

I posted a review with photos here
https://www.amazon.com/review/R37NAVDFBJSUMJ?_encoding=UTF8&ASIN=B013S9O316&cdMSG=addedToThread&cdPage=&channel=detail-glance&newC ontentID=Mx1AFXPGH6NZHDV&newContentNum=1&nodeID=3760901&store=hpc#CustomerDiscussionsNRPB

kelly

1978 Kingsley Putney VT

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Re: floor lights [message #303312 is a reply to message #303206]

Fri, 08 July 2016 21:01

lw8000

Messages: 201
Registered: July 2012
Location: S.E. Michigan

Karma: 1

Senior Member

I'll add to the others' feedback, polarity was reversed here as well, but only for the floor fixtures. I removed each fixture, cut the wires and flipped them around (re-soldered them back with the correct polarity) and all LED bulbs work fine now in them. Apparently most LED bulbs want the polarity correct (center is positive), where as incandescent bulbs don't matter. I haven't had any other problem with any other fixtures and we have LED bulbs in all of them.

Chris S. - 77 Kingsley, 3.70 FD, mostly OEM - S.E. Michigan

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Re: [GMCnet] floor lights [message #303315 is a reply to message #303312]

Sat, 09 July 2016 04:25

Mr ERFisher

Messages: 7117
Registered: August 2005

Karma: 2

Senior Member

No need to cut the wires .. It is possible to remove the pins in the cable
connector and swap them 😀

On Friday, July 8, 2016, Chris S. wrote:

> I'll add to the others' feedback, polarity was reversed here as well, but
> only for the floor fixtures.

>
> I removed each fixture, cut the wires and
> flipped them around (re-soldered them back with the correct polarity) and
> all LED bulbs work fine now in them. Apparently most LED bulbs want the
> polarity correct (center is positive), where as incandescent bulbs don't
> matter. I haven't had any other problem with any other fixtures and we have
> LED bulbs in all of them.
> --
> Chris S. -
> 77 Kingsley mostly OEM -
> S.E. Michigan
>
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-------
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Re: [GMCnet] floor lights [message #303318 is a reply to message #303315]

Sat, 09 July 2016 07:39

kstockwell

Messages: 367
Registered: May 2016
Location: Putney VT

Karma: 4

Senior Member

[quote title=Mr ERFisher wrote on Sat, 09 July 2016 05:25]No need to cut the wires .. It is possible to remove the pins in the cable
connector and swap them 😀

I thought the same thing but have been unsuccessful. How do I pull them out?

kelly

1978 Kingsley Putney VT

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Re: [GMCnet] floor lights [message #303319 is a reply to message #303318]

Sat, 09 July 2016 08:05

emerystora

Messages: 4442
Registered: January 2004

Karma: 13

Senior Member

One good thing about replacing the floor lights with led bulbs is the reduction of heat from the bulbs.
It has been reported in years past that throw rugs covering the bulbs have caught on fire. Apparently the rug covered the lights so the owner did not realize they were on.

Emery Stora
77 Kingsley
Frederick, CO

> On Jul 9, 2016, at 6:39 AM, kelly stockwell wrote:
>
> [quote title=Mr ERFisher wrote on Sat, 09 July 2016 05:25]No need to cut the wires .. It is possible to remove the pins in the cable
> connector and swap them 😀
>
>
> I thought the same thing but have been unsuccessful. How do I pull them out?
>
> kelly
> --
> 1978 Kingsley
> Putney VT
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org

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Re: [GMCnet] floor lights [message #303323 is a reply to message #303318]

Sat, 09 July 2016 09:00

Matt Colie

Messages: 8547
Registered: March 2007
Location: S.E. Michigan

Karma: 7

Senior Member

[quote title=kstockwell wrote on Sat, 09 July 2016 08:39]Mr ERFisher wrote on Sat, 09 July 2016 05:25

No need to cut the wires .. It is possible to remove the pins in the cable
connector and swap them 😀

I thought the same thing but have been unsuccessful. How do I pull them out?

kelly

Kelly,

In my '73, the floor lights were just round license plate lights pushed into a hole in the kick board. They just needed to be pried out of the hole. Gently.
There was plenty of wire to get to the connectors, and the light I bought (trailer red clearance lights) already had the bullet connectors. So, all I had to do was plug them in. If they lit, I put it in place and put in the two screws.

Matt

Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit

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Re: [GMCnet] floor lights [message #303329 is a reply to message #303323]

Sat, 09 July 2016 13:16

kstockwell

Messages: 367
Registered: May 2016
Location: Putney VT

Karma: 4

Senior Member

I cut the wires, soldered them, put the connectors back together
we're in business!

thanks all!
kelly

1978 Kingsley Putney VT

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Re: [GMCnet] floor lights [message #303330 is a reply to message #303319]

Sat, 09 July 2016 13:17

kstockwell

Messages: 367
Registered: May 2016
Location: Putney VT

Karma: 4

Senior Member

[quote title=emerystora wrote on Sat, 09 July 2016 09:05]One good thing about replacing the floor lights with led bulbs is the reduction of heat from the bulbs.
It has been reported in years past that throw rugs covering the bulbs have caught on fire. Apparently the rug covered the lights so the owner did not realize they were on.

Emery Stora
77 Kingsley
Frederick, CO

I totally agree! no need for extra heat sources or battery pulls
kelly

1978 Kingsley Putney VT

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Re: floor lights [message #303386 is a reply to message #303206]

Sun, 10 July 2016 15:18

mghamms

Messages: 466
Registered: March 2016
Location: Ware, Massachusetts

Karma: 2

Senior Member

For anyone else that needs to change the polarity there is no need to cut the wires.
!. unplug the light.
2. on the light plug note 2 small notches in the connector opposite the catch
3. push the wire into the connector and hole tight.
4. use a straightened paperclip of small screwdriver and insert it into the notch from the connector end to release
5. pull the wire out
6. put the connectors back in the plug on the opposite side
7. test and reinstall

1977 Kingsley 455 as stock as it gets except lots of Ragusa parts

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Re: floor lights [message #303439 is a reply to message #303206]

Mon, 11 July 2016 22:09

trapper

Messages: 52
Registered: April 2015
Location: Saskatchewan, Canada

Karma: 0

Member

Very good timing on this thread. I gave it a glance when it was posted but didn't think much of it. I got my led lights today but didn't work on the floor. Spidey senses went off and I came back here and sure enough, same problem. Switched the wires and she works great.

With all the lights in the coach on (except the rear reading lights) but including the 6 bathroom lights and overhead stove lights and floor lights I am drawing a mere 2.4 Amps. Love led. For kicks I turned them all off and just but the rear 2 reading lights...2.6 amps themselves lol.

75 Glenbrook

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