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Chevrolet Cab 11 Instrument Lights
The Cab 11 Chevrolet has two instrument lamps built into the instrument cluster, along with a third 'hooded' lamp in the centre of the dash panel (just below the windscreen). From the parts manual and August 1940 instruction book, these lights operate through a 3 way ON-OFF-ON switch (part no, 5801115).
What does the switch name plate look like for this 3 way switch? I'm guessing that to align with the other panel switches (i.e. down is off) then the 'lug' in the plate should be at the top, not the bottom? Does anyone have a photo of the correct name plate for the 3-way instrument lamp switch? P.S. I believe the 3-way switch for the instrument lights (along with the third instrument lamp) was deleted on the Cab 12 Chevs. Thanks, Owen.
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1940 11 Cab C15 1939 DKW KS200 1951 Willys M38 1936 Opel Olympia MVPA # 39159 MVT # 19406 |
#2
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Dash markings
http://www.mapleleafup.net/forums/at...4&d=1173658854
This dash picture is from an old thread on this forum. It is a very early C8 11 cab that was in Coe Hill rusting away. You can still read the painted lettering saying “ panel” above the switch and also “on/off”. Hope this helps. The thread that this picture comes from is “ cab 12 dash layout” from 10/03/07. Last edited by Paul Singleton; 19-09-18 at 18:55. |
#3
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That's my pictures taken Oct 2005....
It was the earliest C8 cab 11 I have encountered. Totally rusted out BUT the interior silk screen labelling of the switches was still readable.
The first one is labelled "HEATER" followed by "PLATE" ad to the far right "PANEL"....... only the PANEL light is a on off on switch ........ there are NO additional instrument lights that I could see..... now the cowl section above the switches and custer contains the same arrangment as my cab 11 C15a....remember the initial GM production of cab 11 was started with 2 wheel drive C8 only.....so my cab 11 4x4 was produced later in the Summer of 1940. My switches tags were different and identical to the switch tags shown by Owen..... and this is how I wired my cab 11...... the instrument switch turns on two instrument lights andthe hi-beam big stump switch on the cowl turns on a little red light. I cannot say categorically that what I had and is now restored is accurate. One word of caution..... during my rewiring using a hand made loom from Phil Waterman and he used all the correct gauge and color pattern as per the shop manual I ran into technical difficulties. The NOS switches I had purchased with original waxed wrapping were all heavily oxidized with a white powder an the contacts were sometimes working sometimes not. I kept them for posterity and replaced all 3 switches with "made in China" ....$2.99) Princess Auto switches which came with a little ball ends on the switches. To this date they are still working fine. I did have to do some dentistry since orientation of the on / off was reversed but was an easy fix.....and matched the wiring diagram that I was following in the manual. Will dig up a close up of my restored dash...... all was converted to 12 v. by the way....... all instruments work with voltage reducers. Good luck Owen.
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Bob Carriere....B.T.B C15a Cab 11 Hammond, Ontario Canada |
#4
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Pictures do not lie......
Neither do I .... I just forget....
For the record here is a blow up of my instrument switches.... I did have a 3 way switch for the instruments...... I did use the original tags with the Chinese repro but can't find a recent photo of my restored dash. Disregard the other switches added by PO...... hard to read but......STOP TAIL INST So basically I can control whether my STOP light will light up......... TAIL being my marker lights or parking lights......NOTE.... my cab 11 did not come with rubber front fender marker lights but depended on the second light bulb inside the headlights.....since I converted to sealed beams I retro fitted modern yellow bumper mounted markerlights......would love to revert to inside the HD if I can re silver the reflectors.....but would still keep 12v bulbs.....Mac's sells halogen rero fit 12v. bulbs.
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Bob Carriere....B.T.B C15a Cab 11 Hammond, Ontario Canada Last edited by Bob Carriere; 20-09-18 at 05:40. |
#5
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Paul/Bob, thanks for your responses.
Quote:
I picked up a handful of these switches as modern replacements for the tail and stop switches: https://www.leviton.com/en/products/735 They are clocked the same way to match the notch in the tail and stop switch name plates, but I suspect that these are also of finest Chinese manufacture. Based on Bob's second post (#4 above), I believe the original instrument name plate for the 3-way switch should look like the attached. As you can see, I don't make a living out of photo editing.. I may just use one of the modern replacement 2-way switches, and have it operate all three instrument lights (I don't really need the blackout function); that way, I can use my existing switch name plate. Unless I can get one of my 3-way switches working....and find the correct switch name plate..... Quote:
Now, I just need to figure how I'm going to do the rear lights (in the UK, I will need tail, brake and turn signal on each side). Owen. Edit: on closer inspection of Bob's photo, the 3-way switch name plate looks like it has 'OFF' written at the bottom; photo now edited. Excuse my myopia....
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1940 11 Cab C15 1939 DKW KS200 1951 Willys M38 1936 Opel Olympia MVPA # 39159 MVT # 19406 Last edited by Owen Evans; 20-09-18 at 08:34. Reason: Blindness! |
#6
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3 way witch
You are correct Owens what we call a 3 way switch maybe wrong and is actually a left and right position the middle (off) is slightly lower position. Still can't figure out why they had a split as the instrument panels I have examined ( I have Chevs and old GMC) only have two little lights........ i.e. I am using a NOS GMC cluster because that is what I have and have seen enough mix match on early cab..even early cab 13 to say it is acceptable.
Cheers
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Bob Carriere....B.T.B C15a Cab 11 Hammond, Ontario Canada |
#7
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Blackout?
Quote:
Given that by July 1941 (or possibly earlier) the third instrument light had been deleted, I guess it wasn't all that successful. Owen.
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1940 11 Cab C15 1939 DKW KS200 1951 Willys M38 1936 Opel Olympia MVPA # 39159 MVT # 19406 |
#8
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Same book....
Mine is built for the Department of National Defence
Canada date July 1940 Out of curiousity.... when you check the diagram the said swithc toggles between off and one light or off and two lights....????/ ....also noticed there are no provision for a rear axle convoy light !!!!!!!! My truck never left Canada so never had a need for total black out system. will need to look up the wiring diagram I used from the MB C1 manual. Cheers
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Bob Carriere....B.T.B C15a Cab 11 Hammond, Ontario Canada |
#9
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Quote:
But my chassis does have the remains of a 'Butlers' axle light and what may once have been a bakelite switch on the rear crossmember; I suspect a later addition. Similar to the attached photo, but the remains of the switch is on the actual crossmember. Owen.
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1940 11 Cab C15 1939 DKW KS200 1951 Willys M38 1936 Opel Olympia MVPA # 39159 MVT # 19406 |
#10
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Did some thing similar....
My cab 11 frame did have the holes punched out for installing the big HI beam switch so I did and found a NOS rear axle light which I retro fitted.....and painted the rear axle cover flat white. 30 years from now someone will try to figure this one out!!!!!
Bob C
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Bob Carriere....B.T.B C15a Cab 11 Hammond, Ontario Canada |
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