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12-23-2011, 12:49 PM
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#1 |
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Registered User
Join Date: Nov 2010
Location: Greer SC
Posts: 187
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Brake Light stays on ???????????
On my 72 the brake light stays on. I have a good break peddle and the e brake works good also. Why is the light on??
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12-23-2011, 12:52 PM
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#2 |
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Active Member
 
Join Date: Jul 2007
Location: Centrally located between Houston, Austin and Waco. BCS area.
Posts: 7,947
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Re: Break Light stays on ???????????
Check the switch above the brake pedal under the dash. If you disconnect it and the light goes off, the switch is probably bad or not adjusted properly.
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12-23-2011, 12:55 PM
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#3 |
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Registered User
Join Date: Oct 2008
Location: Marianna Arkansas
Posts: 7,262
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Re: Break Light stays on ???????????
Make sure that the E-brake pedal is all the way up. Next the brake proportionig valve has a plungerin it that senses difference in the valve . That valve has a tendency to get stuck in one position causing the lamp
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12-23-2011, 02:28 PM
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#4 |
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Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: Brake Light stays on ???????????
THERE IS NO BRAKE LIGHT WHATSOEVER FOR EMERGENCY BRAKE
if your dash brake light is on there is a problem with your proportioning system
__________________
71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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12-23-2011, 02:36 PM
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#5 |
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Active Member
Join Date: Jul 2007
Location: Centrally located between Houston, Austin and Waco. BCS area.
Posts: 7,947
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Re: Brake Light stays on ???????????
Oops. I didn't notice that the "light" was singular. Disregard my post above.
Also check fluid level in m.c. |
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12-24-2011, 11:35 AM
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#6 |
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Registered User
Join Date: Nov 2010
Location: Greer SC
Posts: 187
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Re: Brake Light stays on ???????????
Thanks Guys
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12-28-2011, 06:12 PM
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#7 |
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Registered User
Join Date: Nov 2000
Location: Glendale Az
Posts: 73
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Re: Brake Light stays on ???????????
Does anyone have a pic of the pin in the normal position in the proportioning valve? My light came on after bleeding my brakes and I have re-bled them. The air is all out but my brake light is staying on.
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12-28-2011, 08:34 PM
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#8 |
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Registered User
Join Date: Jun 2010
Location: Upland Ca
Posts: 4,141
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Re: Brake Light stays on ???????????
Shop manual has a procedure for bleeding that includes using a special tool to keep the proportioning valve in the correct position.
__________________
1972 C10 SWB, Air, PS, PB, 350/350THM. Second owner. 1965 Corvette roadster, 44K miles, 327/365 SHP, 4 speed, side exhaust, knockoffs, teak, second owner (bought in 1970), Have ALL numbers matching components. My frame off restoration thread: http://67-72chevytrucks.com/vboard/s...d.php?t=556703 |
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12-28-2011, 11:09 PM
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#9 |
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Registered User
Join Date: Jun 2010
Location: Dallas, texas
Posts: 51
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Re: Brake Light stays on ???????????
is the wire plugged in to the mc?
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12-28-2011, 11:09 PM
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#10 |
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Registered User
Join Date: Jun 2010
Location: Dallas, texas
Posts: 51
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Re: Brake Light stays on ???????????
sorry i meant the valve
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12-29-2011, 10:13 AM
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#11 |
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Shortbed club member
Join Date: Jan 2008
Location: Halethorpe, MD
Posts: 439
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Re: Brake Light stays on ???????????
You most likely have a leak somewhere.
When you lose pressure in 1 system (front or rear) the proportioning valve will close off that system. So you will still have a firm pedal but you will only be using front brakes or rear breaks. I would guess its your back brakes that are leaking, because you would notice not having front brakes.
__________________
71 custom/10 6.0/4L80E SWB ece 4/6 72 custom camper 350/3 spd 2020 Chevy Express 3500 2023 Hyundai Tuscon 1986 GMC 3500 Bucket Truck Sent from my Rotary Phone via 14.4kb/s modem. |
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