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Re: third brake light. [Re: aftoyboy] #516866
December 02nd 2011 5:47 am
December 02nd 2011 5:47 am
Joined: May 2007
Posts: 9,823
On Route 66 in Bethany Oklahom...
Uncle_Fester Offline
Festerus Vannimus
Uncle_Fester  Offline
Festerus Vannimus
Joined: May 2007
Posts: 9,823
On Route 66 in Bethany Oklahom...
Originally Posted by aftoyboy
it would make things a lot easier for the rest of us to understand what you're thinking?



I DOUBT IT ! rofl and really, do we WANT to know what he is thinking? rofl


My van : 1989 Ford E-150 Econoline, currently named “WOLF-DEN II”


Founder & President of Sooner or Later United Truckers and PROUD TO BE A S.L.U.T. ! !
Re: third brake light. [Re: GhostRyder] #516880
December 02nd 2011 7:30 am
December 02nd 2011 7:30 am
Joined: Aug 2008
Posts: 18,213
Virginia
Wizard78 Offline
Supreme Master
Wizard78  Offline
Supreme Master
Joined: Aug 2008
Posts: 18,213
Virginia
Originally Posted by GhostRyder
thanks Nate , wth is frcske talking about ?


rofl


Everyday above ground is a Good Day!!!
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Re: third brake light. [Re: Uncle_Fester] #516959
December 02nd 2011 12:57 pm
December 02nd 2011 12:57 pm
Joined: Oct 2001
Posts: 28,125
Dayton, New Jersey, U.S.A.
Superbeast Offline
Madman!
Superbeast  Offline
Madman!
Joined: Oct 2001
Posts: 28,125
Dayton, New Jersey, U.S.A.
Originally Posted by Uncle_Fester
Originally Posted by aftoyboy
it would make things a lot easier for the rest of us to understand what you're thinking?



I DOUBT IT ! rofl and really, do we WANT to know what he is thinking? rofl


He's prolly thinking how to get more clear spots in his van lol


Ken Schwarz
Tricky Truckers, N.J.
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Manse Vans, Finland
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Toopa Sinner Tribe, N.C.

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http://www.cardomain.com/ride/360991

[Linked Image]

"Coolness ALWAYS trumps comfort"
Re: third brake light. [Re: aftoyboy] #516961
December 02nd 2011 1:04 pm
December 02nd 2011 1:04 pm
Joined: Aug 2011
Posts: 467
N.Ky
I_am_new Offline
addict
I_am_new  Offline
addict
Joined: Aug 2011
Posts: 467
N.Ky
Originally Posted by aftoyboy
frske1, if you would draw it up with a pink crayon, label it, then scan it to post on this sight, it would make things a lot easier for the rest of us to understand what you're thinking?


yeah rofl


Ethan

Its a VAN not a CAR

1995 Chevy 30 6.5 diesel wo/windows

[Linked Image]
Re: third brake light. [Re: NateB] #763266
July 05th 2020 7:18 pm
July 05th 2020 7:18 pm
Joined: May 2020
Posts: 56
Bozeman, MT
J
jtozier406 Offline
journeyman
jtozier406  Offline
journeyman
J
Joined: May 2020
Posts: 56
Bozeman, MT
Originally Posted by NateB
Since the brake light circuit passes through the turn signal switch, most manufacturers have the 3rd brake lamp on a seperate circuit. You'll need splice into the wire coming right off the brake light switch....before the turn signal switch.

Ever get behind someone at a stop light and notice that the only brake light working is the 3rd one? Other than possibly being bad bulbs, usually that means the person's turn signal switch is bad.



I just installed high top and am a bit confused on how to splice this in. Do I splice in the rear of the vehicle or does it need to be right at the switch?


1977 Chevy G20 with 350
Re: third brake light. [Re: jtozier406] #763277
July 06th 2020 7:17 am
July 06th 2020 7:17 am
Joined: Aug 2005
Posts: 20,706
Brooklyn Park, Maryland, USA
N
NateB Offline
Supreme Master
NateB  Offline
Supreme Master
N
Joined: Aug 2005
Posts: 20,706
Brooklyn Park, Maryland, USA
Originally Posted by jtozier406
Originally Posted by NateB
Since the brake light circuit passes through the turn signal switch, most manufacturers have the 3rd brake lamp on a seperate circuit. You'll need splice into the wire coming right off the brake light switch....before the turn signal switch.

Ever get behind someone at a stop light and notice that the only brake light working is the 3rd one? Other than possibly being bad bulbs, usually that means the person's turn signal switch is bad.



I just installed high top and am a bit confused on how to splice this in. Do I splice in the rear of the vehicle or does it need to be right at the switch?


At the brake light switch. If you splice at the rear lights, the 3rd brake light will blink when you hit the turn signals.


Nate Breece
--------------
1993 Chevy G20
2012 Hyundai Santa Fe
Re: third brake light. [Re: NateB] #763690
July 18th 2020 12:50 am
July 18th 2020 12:50 am
Joined: May 2020
Posts: 56
Bozeman, MT
J
jtozier406 Offline
journeyman
jtozier406  Offline
journeyman
J
Joined: May 2020
Posts: 56
Bozeman, MT
Originally Posted by NateB
Originally Posted by jtozier406
Originally Posted by NateB
Since the brake light circuit passes through the turn signal switch, most manufacturers have the 3rd brake lamp on a seperate circuit. You'll need splice into the wire coming right off the brake light switch....before the turn signal switch.

Ever get behind someone at a stop light and notice that the only brake light working is the 3rd one? Other than possibly being bad bulbs, usually that means the person's turn signal switch is bad.



I just installed high top and am a bit confused on how to splice this in. Do I splice in the rear of the vehicle or does it need to be right at the switch?


At the brake light switch. If you splice at the rear lights, the 3rd brake light will blink when you hit the turn signals.


Hey Nate,

I haven't quite figured this out yet but I am looking to insulate, I am running some wire to different areas in the van before I seal everything up. To prep for wiring this light do I just need to send one wire to the switch under the dash? I am guessing I would wire this to the positive on the light and then the negative I would ground to the body of the van in rear?

Thanks!


1977 Chevy G20 with 350
Re: third brake light. [Re: GhostRyder] #763691
July 18th 2020 2:49 am
July 18th 2020 2:49 am
Joined: Apr 2010
Posts: 2,731
San Diego
W
wrcsixeight Offline
veteran
wrcsixeight  Offline
veteran
W
Joined: Apr 2010
Posts: 2,731
San Diego
Yes, run a single wire from the brake light switch to the third brake light location, and you can pull ground from nearby bare metal.



Assuming you are using a LED third brake light, which do not pull much current, and do not require thick wire to pass small currents, then running copper Zip wire( which is 2 joined wires like speaker wire) is no more difficult, and you can just ground it nearby the brake light switch rather than grounding nearby the light, but its your call. Lots of red/black zip wire, is aluminum or copper clad aluminum. You really want copper, so if they do not state pure copper or the price seems too good to be true it is aluminum or copper clad aluminum

Now a lot of people tap into the wire using one of those wire strand breaking press lock snaps. The previous owner of my van did this for a trailer brake, and 9 of the 20 strands were severed in the process, and corrosion ensued and caused nightmare diagnostic issues that induced the fury which launched various tools into low earth orbit followed by a stream of curses still orbiting the planet years later

Looking at a pic of a 77 g20 brake light switch, they use 1/4 inch quick connect fittings at the switch Here is a Piggy back connector so that you do not need to use one of those horrible wire destructing wire taps, or stuff bare wire in the existing connector which will later pull off and fail when Murphy dictates:

https://www.amazon.com/Ancor-230612...1-1-22d05c05-1231-4126-b7c4-3e7a9c0027d0



https://www.rockauto.com/en/catalog/chevrolet,1977,g20,5.7l+350cid+v8,1045178,electrical-switch+&+relay,brake+light+switch,10474

Re: third brake light. [Re: wrcsixeight] #763694
July 18th 2020 10:21 am
July 18th 2020 10:21 am
Joined: May 2020
Posts: 56
Bozeman, MT
J
jtozier406 Offline
journeyman
jtozier406  Offline
journeyman
J
Joined: May 2020
Posts: 56
Bozeman, MT
Originally Posted by wrcsixeight
Yes, run a single wire from the brake light switch to the third brake light location, and you can pull ground from nearby bare metal.



Assuming you are using a LED third brake light, which do not pull much current, and do not require thick wire to pass small currents, then running copper Zip wire( which is 2 joined wires like speaker wire) is no more difficult, and you can just ground it nearby the brake light switch rather than grounding nearby the light, but its your call. Lots of red/black zip wire, is aluminum or copper clad aluminum. You really want copper, so if they do not state pure copper or the price seems too good to be true it is aluminum or copper clad aluminum

Now a lot of people tap into the wire using one of those wire strand breaking press lock snaps. The previous owner of my van did this for a trailer brake, and 9 of the 20 strands were severed in the process, and corrosion ensued and caused nightmare diagnostic issues that induced the fury which launched various tools into low earth orbit followed by a stream of curses still orbiting the planet years later

Looking at a pic of a 77 g20 brake light switch, they use 1/4 inch quick connect fittings at the switch Here is a Piggy back connector so that you do not need to use one of those horrible wire destructing wire taps, or stuff bare wire in the existing connector which will later pull off and fail when Murphy dictates:

https://www.amazon.com/Ancor-230612...1-1-22d05c05-1231-4126-b7c4-3e7a9c0027d0



https://www.rockauto.com/en/catalog/chevrolet,1977,g20,5.7l+350cid+v8,1045178,electrical-switch+&+relay,brake+light+switch,10474






Huge help! Appreciate you writing this out. Found out we have to move out of our house in 2 weeks and I am trying to get this thing ready to live in for 2 months. Thanks!


1977 Chevy G20 with 350
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