DOOR" light on dash panel

scott nutter1

New member
Jan 5, 2015
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My door light on the dash telltale panel has finally decided to work.
The problem is that it is on ALL the time when the key is on. And it's red!! That's not good in my profession....
Before I stroke out, how the heck can I silence the light?? I have tried pushing in on the door microswitch, it won't even flicker.
Any ideas? I assume that the door microswitch must be bad? Or a inline grounding fault? Basically, I have no idea..
Thanks, Scott
--
Scott Nutter
1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final drive, Quad bags, tankless water heater.
Houston, Texas
 
Scott,

Take the bulb out, Mate!

Bloody pilots! ;-)

Regards,
Rob M.
The Pedantic Mechanic
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
USA '77 Kingsley - TZE 267V100808

-----Original Message-----
From: Gmclist [mailto:gmclist-bounces] On Behalf Of Scott Nutter
Sent: Saturday, August 19, 2017 9:48 AM
To: gmclist
Subject: [GMCnet] "DOOR" light on dash panel

My door light on the dash telltale panel has finally decided to work.
The problem is that it is on ALL the time when the key is on. And it's red!! That's not good in my profession....
Before I stroke out, how the heck can I silence the light?? I have tried pushing in on the door microswitch, it won't even
flicker.
Any ideas? I assume that the door microswitch must be bad? Or a inline grounding fault? Basically, I have no idea..
Thanks, Scott
 
Thanks Rob.
The last time I swapped out bulbs, it cost us a 6 hour delay...how the heck was I suppose to know the bulbs in the eng bleed valve switch were part of
the switch. It just crumbled!! Just glad there were no witnesses........jammed it back into the overhead panel, called maintenance, and blamed it on
the previous crew!!
Damn engineers........!!
--
Scott Nutter
1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final drive, Quad bags, tankless water heater, everything Lenzi.
Houston, Texas
 
You're welcome!

I was an aircraft technician not an engineer so I'm innocent!

Plus I reckon the door light isn't a safety of flight item as long as you make sure the door is closed.

Since the light hasn't worked for a while and you haven't reported anyone falling out of your GMC I reckon you're good to go with
the bulb removed!

Regards,
Rob M.
The Pedantic Mechanic
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
USA '77 Kingsley - TZE 267V100808


-----Original Message-----
From: Gmclist [mailto:gmclist-bounces] On Behalf Of Scott Nutter
Sent: Saturday, August 19, 2017 10:44 AM
To: gmclist
Subject: Re: [GMCnet] "DOOR" light on dash panel

Thanks Rob.
The last time I swapped out bulbs, it cost us a 6 hour delay...how the heck was I suppose to know the bulbs in the eng bleed valve
switch were part of the switch. It just crumbled!! Just glad there were no witnesses ........ jammed it back into the overhead
panel, called maintenance, and blamed it on the previous crew!!
Damn engineers........!!
--
Scott Nutter
1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final drive, Quad bags, tankless water heater, everything
Lenzi.
Houston, Texas
 
According to thwiring diagram The door switch provides the ground to turn on the "door" light when the door is open and provides the current path for
the courtesy light. Does the courtesy light also stay on or just the door light?
--
JD Lisenby- USAF Ret
1978 Royale-455
Electromotive Tec2 FI & ignition

Navarre, FL
 
JD,
I disconnected my courtesy light circuit(in the overhead) a few weeks back when I replaced my speakers and new side lights. No door light when I did
the upgrade. But I'll double check.
Rob,
Is that bulb a standard pull/twist off/out bulb? No light in that panel has worked till today......maybe just knocking off some corrosion with use..

Thanks, Scott
--
Scott Nutter
1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final drive, Quad bags, tankless water heater, everything Lenzi.
Houston, Texas
 
The bulb should be a "pull out" bulb from the telltale panel. I agree, it is probably a short in the wire going to the door switch, and it is not a
safety of flight issue for the captain.
--
John Shutzbaugh, Vacaville, CA, ncserv;
77 Eleganza, bought it new, can't blame PO, and
78 Buskirk stretch, "What were we thinking?"
 
Scott,

Dunno / can't remember - The Blue Streak doesn't have the OEM instrument panel.

Regards,
Rob M.
The Pedantic Mechanic
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
USA '77 Kingsley - TZE 267V100808


-----Original Message-----
From: Gmclist [mailto:gmclist-bounces] On Behalf Of Scott Nutter
Sent: Saturday, August 19, 2017 11:35 AM
To: gmclist
Subject: Re: [GMCnet] "DOOR" light on dash panel

JD,
I disconnected my courtesy light circuit(in the overhead) a few weeks back when I replaced my speakers and new side lights. No door
light when I did
the upgrade. But I'll double check.
Rob,
Is that bulb a standard pull/twist off/out bulb? No light in that panel has worked till today......maybe just knocking off some
corrosion with use..

Thanks, Scott
--
Scott Nutter
1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final drive, Quad bags, tankless water heater, everything
Lenzi.
Houston, Texas

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Scott. Mine has been on since I built our latest 78 Royale. There's no switch. And the end of the wire is covered. The repair I choose was extremely simple. And took no time. I ignore it. DONE. (GRIN) Bob Dunahugh
 
> JD,
> I disconnected my courtesy light circuit(in the overhead) a few weeks back when I replaced my speakers and new side lights. No door light when I
> did the upgrade. But I'll double check.
> Rob,
> Is that bulb a standard pull/twist off/out bulb? No light in that panel has worked till today......maybe just knocking off some corrosion with
> use..
>
> Thanks, Scott

Scott,

I may have figured out the real cause of your problem. When I took out those panels with lights, switches and sort of speakers, I realized that the
lights in there were typical courtesy lights and worked on a ground that could also be provided by the switch, so I taped off all the now loose wires.
I haven't had a problem.

Matt - Back from the post eclipic wine tasting. (Rallies can be a lot of fun.)

--
Matt & Mary Colie - '73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan
OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Twixt A2 and Detroit
 
Yep. Last thing you "fixed". The factory overheads have or had 3 position switches
--
John Lebetski
Woodstock, IL
77 Eleganza II