| turn signal flasher [message #170971] |
Sun, 27 May 2012 11:20  |
Ross
Messages: 44
Registered: September 2011
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Would anyone have the part number of a "three terminal" turn signal flasher for my 78 Royale?
I searched an earlier discussion (2010) about two different flashers, one for signal and one for emergency. My 4way flasher(2 prong) works fine but I need the turn flasher (3 prong). I went to the parts store and asked for a tridon EL12 but it turns out to be a two terminal flasher.
Any assistance would be appreciated.
Ross
Ross Hallman
78 Royale
Baden, On
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| Re: turn signal flasher [message #170972 is a reply to message #170971] |
Sun, 27 May 2012 11:39  |
Bob de Kruyff
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
Karma: 1
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| Ross wrote on Sun, 27 May 2012 10:20 |
Would anyone have the part number of a "three terminal" turn signal flasher for my 78 Royale?
I searched an earlier discussion (2010) about two different flashers, one for signal and one for emergency. My 4way flasher(2 prong) works fine but I need the turn flasher (3 prong). I went to the parts store and asked for a tridon EL12 but it turns out to be a two terminal flasher.
Any assistance would be appreciated.
Ross
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You need one that is similar to Autozone EG23. It's a 3 pin.
Early coaches shared the hazard and turn signal flasher but due to federal requirements, later coaches had separate flashers. The hazard is the 2 pin and the turn flasher is 3 pin. Most auto parts stores should be able to look up a 78 Toronado or find any 3 pin flasher in the bin.
Bob de Kruyff
78 Eleganza
Chandler, AZ
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| Re: [GMCnet] turn signal flasher [message #170974 is a reply to message #170971] |
Sun, 27 May 2012 11:40 |
powerjon
Messages: 2446
Registered: January 2004
Karma: 5
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Ross,
The hazard and TS flashers are both supposed to be 2 terminal (Prong)
units and both use the same flasher. I don't see any 3 wire flasher
shown in the wiring diagrams for the 77 or 78 chassis. The EL-12
should be a good number. 76 and earlier coaches used only a single
flasher.
JR Wright
GMC Great Laker MHC
GMC Eastern States
GMCMHI
78 Buskirk 30' Stretch
1975 Avion (Under Reconstruction)
Michigan
On May 27, 2012, at 12:20 PM, Ross Hallman wrote:
>
>
> Would anyone have the part number of a "three terminal" turn signal
> flasher for my 78 Royale?
> I searched an earlier discussion (2010) about two different
> flashers, one for signal and one for emergency. My 4way flasher(2
> prong) works fine but I need the turn flasher (3 prong). I went to
> the parts store and asked for a tridon EL12 but it turns out to be a
> two terminal flasher.
> Any assistance would be appreciated.
> Ross
> --
> Ross Hallman
> 78 Royale
> Baden, On
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
_______________________________________________
GMCnet mailing list
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J.R. Wright
GMC GreatLaker
GMC Eastern States
GMCMI
78 30' Buskirk Stretch
75 Avion Under Reconstruction
Michigan
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| Re: turn signal flasher [message #170975 is a reply to message #170971] |
Sun, 27 May 2012 12:26 |
Ross
Messages: 44
Registered: September 2011
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The turn signal flasher I have is 3 prong, with metal casing, 3/4" diameter by 2" long. I went into auto zone's site but it shows the EG23 being clear plastic and with the pin configuration different than mine. Both the turn signal and 4way flashers are located next to each other under my dash so I assume what I have pulled is a flasher.
Ross
Ross Hallman
78 Royale
Baden, On
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| Re: turn signal flasher [message #170977 is a reply to message #170975] |
Sun, 27 May 2012 12:36 |
Bob de Kruyff
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
Karma: 1
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Senior Member |
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| Ross wrote on Sun, 27 May 2012 11:26 |
The turn signal flasher I have is 3 prong, with metal casing, 3/4" diameter by 2" long. I went into auto zone's site but it shows the EG23 being clear plastic and with the pin configuration different than mine. Both the turn signal and 4way flashers are located next to each other under my dash so I assume what I have pulled is a flasher.
Ross
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Ross--my flasher is also a 3 pin--go for the number I posted earlier.
Bob de Kruyff
78 Eleganza
Chandler, AZ
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| Re: turn signal flasher [message #170981 is a reply to message #170971] |
Sun, 27 May 2012 14:03 |
Ross
Messages: 44
Registered: September 2011
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Emery, there are three wires and three blade receptacles. Were the original signal flashers metal or did mine have a change along the way?
Ross
Ross Hallman
78 Royale
Baden, On
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| Re: [GMCnet] turn signal flasher [message #170987 is a reply to message #170979] |
Sun, 27 May 2012 15:15 |
Bob de Kruyff
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
Karma: 1
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""Sometimes a three terminal flasher can be plugged into a two terminal connector and it will work just fine.
""
Very interesting! That may explain why some show both 2 and 3 terminal flashers for this application.
Bob de Kruyff
78 Eleganza
Chandler, AZ
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| Re: turn signal flasher [message #170989 is a reply to message #170988] |
Sun, 27 May 2012 16:24 |
stick miller
Messages: 1036
Registered: March 2010
Location: Americus, Georgia
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Ross - funny you should mention that. Once on "our" coach I was in Florida. I'm not much of a flasher user, but in this case I was towing and had to park on the side of a street. When I came back, I forgot to turn the flashers off and all the way home I was cussing "our" coach because the directional signals didn't work.
Not sure when I discovered it, but when I cut the flashers off, everything else worked. Not sure if this will help you, but it sure made me feel better.
Also, don't forget that this is a Coachmen coach, so all bets are off.
Stick Miller
'78 Royale - "White Trash" - she left me for another man
'76 Eleganza - "Cousin Eddie" Sold
'84 Bluebird Wanderlodge - "Past Tents"
Americus, GA
[Updated on: Sun, 27 May 2012 16:26] Report message to a moderator |
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| Re: [GMCnet] turn signal flasher [message #171051 is a reply to message #170995] |
Mon, 28 May 2012 07:00 |
Mr ERFisher
Messages: 7117
Registered: August 2005
Karma: 2
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Here are the differences in the 2 and 3 terminal systems
http://www.gmcmhphotos.com/photos/data/6088/TURN_SIGNAL_FLASHER.pdf
or
http://goo.gl/xdT5U
formatted for your smart device ;>)
gene
On Sun, May 27, 2012 at 4:27 PM, gene Fisher <mr.erfisher@gmail.com> wrote:
> yes both 3 and 2 terminal systems exist in the GMC
>
> infact
>
> you can buy a kit here to make a sounder for either system and one for
> leaving the head lights on.
>
>
>
> http://www.gmcidiotsguide.com/joomla/my-shop/category/16-headlight-turn-signal-reminder-alarms
>
> gene
>
>
>
>
>
> On Sun, May 27, 2012 at 10:26 AM, Ross Hallman <rhallman@rogers.com>wrote:
>
>>
>>
>> The turn signal flasher I have is 3 prong, with metal casing, 3/4"
>> diameter by 2" long. I went into auto zone's site but it shows the EG23
>> being clear plastic and with the pin configuration different than mine.
>> Both the turn signal and 4way flashers are located next to each other under
>> my dash so I assume what I have pulled is a flasher.
>> Ross
>> --
>> Ross Hallman
>> 78 Royale
>> Baden, On
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List 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
>
--
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: turn signal flasher [message #171251 is a reply to message #170971] |
Tue, 29 May 2012 13:16 |
Ross
Messages: 44
Registered: September 2011
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Took my flasher over to Napa to try to match up a new one. An old timer at the desk took a look at it and said he never saw a flasher like that. We couldn't match up the prong configuration.
This time I took the cover off below the dash and there was a flasher clipped to the steering column. Rule of thumb, trust old guys. Whatever I had wasn't a flasher, maybe a relay of some type. Picked up the new EL12 and installed it but still no turn signals.
I even took off the EL12 from the 4way flasher and put it on the signal but no luck. I took the old signal flasher and put it on the 4way and it worked fine.
About a week ago I was backing into my driveway the 4ways weren't working but the signals were fine. Last Saturday went to take a drive to the lake, then I started having problems with my signal not working. Thought maybe the signal and 4way flashers were feeding through each other. Guess not.
Now I am stumped.
Ross
Ross Hallman
78 Royale
Baden, On
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| Re: turn signal flasher [message #171255 is a reply to message #171251] |
Tue, 29 May 2012 13:58 |
stick miller
Messages: 1036
Registered: March 2010
Location: Americus, Georgia
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Ross - I know I wrote this before, but if the flasher knob on that particular coach, which we both know and love, is pulled out (engaged) the directional signals will not work. If I recall correctly, the knob on the steering column was very tricky (worn out).
Somehow or another, they are connected. Could be magic.
Stick Miller
'78 Royale - "White Trash" - she left me for another man
'76 Eleganza - "Cousin Eddie" Sold
'84 Bluebird Wanderlodge - "Past Tents"
Americus, GA
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| Re: [GMCnet] turn signal flasher [message #171258 is a reply to message #171255] |
Tue, 29 May 2012 14:16 |
Richard Denney
Messages: 920
Registered: April 2010
Karma: 9
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On Tue, May 29, 2012 at 2:58 PM, Stick Miller <stickmiller@gmail.com> wrote:
>
>
> Ross - I know I wrote this before, but if the flasher knob on that particular coach, which we both know and love, is pulled out (engaged) the directional signals will not work. If I recall correctly, the knob on the steering column was very tricky (worn out).
>
> Somehow or another, they are connected. Could be magic.
Or just needing a new turn-signal switch in the steering column. I
replaced mine a year or so ago with a part that I found on the Help!
rack at (?) an Autozone. (Help! is, of course, what used to be called
Dorman). The emergency flasher switch is part of the same assembly
behind the steering wheel. With a steering wheel puller and spring
compressor, it's not a ard job at all to replace those old plastic
switch components. Don't forget the switch lubricant.
Rick "plastic ages poorly" Denney
--
'73 230 "Jaws"
Northern Virginia
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| Re: [GMCnet] turn signal flasher [message #171310 is a reply to message #171251] |
Tue, 29 May 2012 23:32 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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Ross,
What are the colors of the 3 wires to your not-turn-signal "flasher"?
If Brown, Yellow, and Brown w/Double White Stripe, then you've discovered
the Electrolevel time delay relay. It turns off the "Set Travel Auto"
tell-tale after 30 seconds or so.
Ken H.
On Tue, May 29, 2012 at 2:16 PM, Ross Hallman wrote:
>
>
> Took my flasher over to Napa to try to match up a new one. An old timer
> at the desk took a look at it and said he never saw a flasher like that.
> We couldn't match up the prong configuration.
> This time I took the cover off below the dash and there was a flasher
> clipped to the steering column. Rule of thumb, trust old guys. Whatever I
> had wasn't a flasher, maybe a relay of some type.
...
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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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