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#1 |
Senior Member
![]() Join Date: Oct 2009
Location: Godley, TX
Posts: 17,963
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Tandem Lock indicator no more - now it's a Parking Brake light
Good afternoon gents - just a quick update on the "dash project"...
In the link below, I mentioned I was gonna rig up something for the parking brake. http://67-72chevytrucks.com/vboard/s...d.php?t=418702 Well, here it is. Used the "tandem lock" indicator location in the dash and fab'ed up (ok, don't laugh at my welding prowess on the bracket) a little bracket to mount an additional brake light switch - except lined up with the parking brake. Anyway, here's the final product. Have it adjusted so that if parking brake is on at all, with the key on, I get the "Park Brake" light. Seems to have worked out ok. Measurements of the bracket: 1.5" on center for the 3 holes. The bracket is welded then the vertical portion (where the switch mounts) is bent back about 5 degrees to line up with the parking brake mechanism. If I were to do it over - I'd move the vertical part of the bracket a little closer to the parking brake mechanism for some more fine tuning ability (you'll note I have no nut on the other side of the switch, just a ground down thin washer - almost ran out of adjustability - but, hey, it worked). Most important measurement is the vertical center of the rotated part of the bracket being lined up with the center of the flat part of the bracket itself. The metal is 1/8" thick by 1" wide steel stock. - Happy Labor Day, Jocko Last edited by jocko; 09-05-2010 at 12:52 PM. |
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#2 |
Registered User
Join Date: Sep 2008
Location: Vancouver Washington
Posts: 726
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Re: Tandem Lock indicator no more - now it's a Parking Brake light
That looks good. Nice work.
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![]() 1960 GMC short fleet, full frame build... http://67-72chevytrucks.com/vboard/s...d.php?t=329718 |
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#3 |
Senior Enthusiast
Join Date: Feb 2007
Location: Spokane Valley, WA
Posts: 8,356
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Re: Tandem Lock indicator no more - now it's a Parking Brake light
That is very cool. Thanks for sharing the photos as well as the dimensions. I'm always in need of another indicator light, and may do the same install on mine. The indicator lens wouldn't work on mine because I have a completely different panel, but I'm curious what you used for the "park light" lens.
Last edited by markeb01; 09-05-2010 at 01:31 PM. |
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#4 |
Senior Member
![]() Join Date: Oct 2009
Location: Godley, TX
Posts: 17,963
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Re: Tandem Lock indicator no more - now it's a Parking Brake light
markeb01, i used the existing Tandem Lock red lens, rubbed off the Tandem Lock letters, then printed PARK BRAKE in Calibri 10 font onto a clear mailing label that I got from Staples. Had to experiment with the font and the placement to get it centered. The font matched the original letters on the tandem lock indicator. So, when done, I just placed the Park Brake clear label over the red lens that used to say Tandem Lock. No heat issues as the bulb is at the opposite end of the cardboard light tube, about 3 inches away. Works just like a turn signal lens except the red lens is part of the instrument cluster like the original rather than a green cap for a turn signal.
Last edited by jocko; 09-05-2010 at 01:46 PM. |
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#5 |
Registered User
Join Date: Aug 2005
Location: Clovis, Ca
Posts: 128
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Re: Tandem Lock indicator no more - now it's a Parking Brake light
Wow!! Very nice work.
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#6 |
Senior Member
![]() Join Date: Nov 2007
Location: Greenville, SC
Posts: 873
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Re: Tandem Lock indicator no more - now it's a Parking Brake light
Jocko,
Thanks for sharing that. I need to do the same thing. Left the parking brake on last week, dang it. TR
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1965 C10 SWB Fleet Two owner LS2 Swap Thread http://67-72chevytrucks.com/vboard/s...d.php?t=413880 |
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#7 |
Account Suspended
Join Date: Jul 2007
Location: Plumas Lake, Ca.
Posts: 1,009
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Re: Tandem Lock indicator no more - now it's a Parking Brake light
You could sell this fabbed piece with the switch, some simple instructions and the mailing label and I would buy one!
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#8 | |
Senior Enthusiast
Join Date: Feb 2007
Location: Spokane Valley, WA
Posts: 8,356
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Re: Tandem Lock indicator no more - now it's a Parking Brake light
Quote:
Last edited by markeb01; 09-06-2010 at 02:06 AM. |
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#9 |
Senior Member
![]() Join Date: Oct 2009
Location: Godley, TX
Posts: 17,963
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Re: Tandem Lock indicator no more - now it's a Parking Brake light
Thanks all, it was a rewarding (and cheap) project - and one of necessity since I had driven with the parking brake on a few times too. Every time I get in and start up now, reminds me I actually fixed something on this old truck.
Blackedoutharley - you might be onto something there.... If I charged 5$/hour of my labor, each kit would only cost... oh, about $500. JUST kidding, the first one is the hardest - just "little" bit of experimentation involved, if I had some automated way of building it in my 'rented' garage, I'd go for it! This would be a perfect item for someone with a water-jet or laser cutter! Another thing I thought of (after the fact) would be to just weld a 1/2" inside diameter fender washer to the end of the rectangular part - but there wouldn't be much area for the weld, so not sure if it would be very strong. Could put a simple gusset on it. The vertical part on this one had an extended tab so I could weld about a 1" bead - and it seems to be very strong - was able to put it in a vice and bend it without any problems. One note - after I got started on this - THEN I found some of the generic micro-switches that have adjustable lever arms on them (doh) - that might be an even easier way to go. I still like this approach since it is a $5 replaceable brake light switch if it ever wears out. Thanks again guys, appreciate all the comments. jocko Last edited by jocko; 09-06-2010 at 08:53 AM. |
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#10 |
Account Suspended
Join Date: Sep 2009
Location: High Plains of Colorado
Posts: 2,485
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Re: Tandem Lock indicator no more - now it's a Parking Brake light
Nice job Jocko.
![]() That simple little idiot light may very well save you the cost of replacing a set of burned up brakes! Thanks for sharing. Last edited by lakeroadster; 09-06-2010 at 09:19 AM. |
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#11 |
UCA63
Join Date: Aug 2005
Location: Lloydminster AB Can.
Posts: 1,637
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Re: Tandem Lock indicator no more - now it's a Parking Brake light
Very cool Jocko
Just another reason that this is the best forum on the 'net Thanks for sharing T
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member#7816 "63 sb ss bbw 350\350 12 bolt rear Pwr Fr Disc PS tilt '61 GMC in progress '63 GMC to use for parts '90 Chevy Ext cab sbfs 5.7l (current d d) |
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#12 |
Account Suspended
Join Date: Jul 2007
Location: Plumas Lake, Ca.
Posts: 1,009
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Re: Tandem Lock indicator no more - now it's a Parking Brake light
Good thing you took one for the team on the first one so that all future versions don't have the R&D cost plugged in.
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#13 |
Just here to tinker
![]() Join Date: Jun 2008
Location: Holland, MI
Posts: 3,692
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Re: Tandem Lock indicator no more - now it's a Parking Brake light
That is great! I appreciate your attention to details! You've got my imagination going on what indicator lights I can install....
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#14 |
Senior Member
![]() Join Date: Oct 2009
Location: Godley, TX
Posts: 17,963
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Re: Tandem Lock indicator no more - now it's a Parking Brake light
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#15 | |
Registered User
Join Date: Aug 2006
Location: Athens, Georgia
Posts: 1,456
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Re: Tandem Lock indicator no more - now it's a Parking Brake light
Quote:
Not really for a specific purpose, but it'd be kinda cool. -Brad
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#16 |
Registered User
![]() Join Date: Jun 2011
Location: Phoenix,AZ
Posts: 946
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Re: Tandem Lock indicator no more - now it's a Parking Brake light
this is a great idea. i would not mind doing this to mine. thanks for showing us how.
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#17 |
But Found Her 25yrs Later!
![]() Join Date: Oct 2010
Location: Oregon City, Oregon
Posts: 10,525
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Re: Tandem Lock indicator no more - now it's a Parking Brake light
Thanks for the tip.
Looks great.
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#18 |
1 thing at a time is progress.
Join Date: Jun 2007
Location: Ball Ground GA
Posts: 5,511
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Re: Tandem Lock indicator no more - now it's a Parking Brake light
Nice job!!
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Alan
Philippians 2:14-16 |
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#19 |
Registered User
Join Date: May 2009
Location: Monroe, LA
Posts: 2,104
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Re: Tandem Lock indicator no more - now it's a Parking Brake light
Very cool! I love the added functionality.
Posted via Mobile Device
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#20 |
Registered User
Join Date: Aug 2011
Location: Montrose, CO
Posts: 972
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Re: Tandem Lock indicator no more - now it's a Parking Brake light
I have my gauge cluster apart right now. So glad I stumbled upon this thread. I think I will change my Tand'm Lock to a Park Brake while I am at it.
Any idea what the Over Speed light is for? Is it just used on bigger trucks? Maybe that could be used for something else as well, any ideas anyone? |
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#21 |
Registered User
Join Date: Oct 2012
Location: cortland, oh
Posts: 792
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Re: Tandem Lock indicator no more - now it's a Parking Brake light
It was used for bigger trucks with an RPM limit that it came on i believe, there are details around the board also.
I can only imagine the possibilities with the guys running airbags....air pressure gauge, parking brake indicator, convert overspeed to low air pressure indicator... I guess you could find a way if you were handy to change the overspeed light to come on when you're doing 70+ and change the letters to " cruisin' "
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#22 |
Registered User
Join Date: Aug 2011
Location: Montrose, CO
Posts: 972
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Re: Tandem Lock indicator no more - now it's a Parking Brake light
"Cruisin", haha that's good, but I am not even close to being that talented to figuring that one out.
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Tags |
dash, indicator, parking brake, tandem lock |
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