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#1 |
Registered User
Join Date: Dec 2007
Location: vancouver BC
Posts: 8
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Need help with break lights
I just bought a 72 C-10 and the break lights do not work at all. It has had a complete frame off restoration with new wiring. The rear light is a red LED setup for the turn, break and ruining light.
Does and one have a wiring diagram for the lights? And does anyone know where the switch for the breaks is? Is it on the master cylinder? Thanks for the help. |
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#2 |
Registered User
Join Date: Feb 2006
Location: NE Wyoming
Posts: 98
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Re: Need help with break lights
The switch for the break light is on the back of the brake pedal arm.
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#3 |
Msgt USAF Ret
![]() ![]() Join Date: Jan 2005
Location: Kalamazoo, Michigan
Posts: 8,714
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Re: Need help with break lights
The brake light switch is on a bracket just above the brake pedal pad.
Do the turn signals work? They use the same wires as the brake lights. Have you checked the bulbs and housings for good bulbs and good grounds on the housings? click on this link and go to post 19 for a wiring diagram. http://67-72chevytrucks.com/vboard/s...d.php?t=185856
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VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative. |
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#4 |
Registered User
Join Date: Dec 2007
Location: vancouver BC
Posts: 8
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Re: Need help with break lights
The signal lights work.
There is no switch on or near the break pedals, but there is a single light brown wire coming out of the master calendar near the booster |
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#5 |
Truck and auto performance nut
Join Date: Feb 2007
Location: McKinney,Texas
Posts: 3,848
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Re: Need help with break lights
the switch should be behind the dash, above the pedals.
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Kurt - '68 GMC short step - NIB '09 LY6 6.0L crate motor w/mods, NIB '12 crate 4L85e w/billet 3k stall Circle D, 3.73 posi 12 bolt, DynaTech f-swap headers, 3/4 drop, handling mods, etc. - my toy '72 Chevy LWB C-10 Highlander - 350/350 ps/pb/tilt/ac - not original but close '06 Chevy TrailBlazerSS - LS2/4L70e - little black hot rod SUV - my DD '18 Kia Sorento - wife's econo-driver '95 Chevy S10 - reg cab shortbed, LS, 4.3, auto... my '68's powertrain and chassis build -links broken A surprise phase - carb to efi -links broken |
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#6 |
Msgt USAF Ret
![]() ![]() Join Date: Jan 2005
Location: Kalamazoo, Michigan
Posts: 8,714
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Re: Need help with break lights
[QUOTE=taxi driver;2517963]The signal lights work.
There is no switch on or near the break pedals, but there is a single light brown wire coming out of the master calendar near the booster[/QUOTE] This is the brake warning light wire for low pedal or fluid pressure. It has nothing to do with your problem. I do not understand why the brake light switch is not where I said it should be. The LED turn lights use a different flasher because of the decreased current load they draw, but if the turn signals work then yours are correct, and they have no effect on the brake lights as far as I know.
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VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative. |
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#7 |
Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,936
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Re: Need help with break lights
If there is no switch under the dash that is mounted to the bracket where the brake pedal will push it in when not in use. You want have any light's. If my memory serves me correct it's white plastic and looks like a pen with 2 electrical connections in black plastic cliped to it.
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1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 ![]() Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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#8 |
Msgt USAF Ret
![]() ![]() Join Date: Jan 2005
Location: Kalamazoo, Michigan
Posts: 8,714
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Re: Need help with break lights
It looks like this.
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VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative. |
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#9 |
PROJECT 7DEUCE
![]() Join Date: Dec 2002
Location: GRANTS PASS OR
Posts: 21,608
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Re: Need help with break lights
You will have to look up under the dash for the piece. Should be right near the steering column and brake pedal up high.
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GO BIG GREEN ![]() MEMBER #6377 72 k-5 daily driver 6'' lift 35'' 350-350-205 slowly getting rust free. Project "7DEUCE" check out my build http://67-72chevytrucks.com/vboard/s...d.php?t=267665 Tim Powell..R.I.P EastSideLowlife..... R.I.P.. |
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#10 |
Registered User
Join Date: Nov 2000
Location: Manhatan,KS USA
Posts: 51
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Re: Need help with break lights
Have fun instaling the brake light switch. I had to replace mine in a 71 chevy. If I had to choose between yard work and changing the switch guess which I would do. You have so little room for a wrench and it will take forever. One tip, after a few days of driving check the switch to make sure it is secure. The repair manual says the brake pedel switch should activate the brake lights about 3/8 to 5/8 inches. Hope this helps.
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#11 | ||
Registered User
Join Date: Oct 2006
Location: Cheney, KS
Posts: 669
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Re: Need help with break lights
Quote:
....so did you
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Quote:
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