1967 - 1972 F-100 & Larger F-Series Trucks Discuss the Bumpsides Ford Truck

brake light

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Oct 11, 2004 | 12:56 PM

#1

PRyan1983

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Joined: Jun 2002

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brake light

what does it mean if my brake light comes on? my brakes work just fine. i have a 72 f100. thanks

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Old

Oct 11, 2004 | 01:02 PM

#2

68torino

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Joined: May 2003

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From: South Dakota

If you mean the one on the dash it could be the switch on the master cylinder is bad.

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Oct 11, 2004 | 02:06 PM

#3

PRyan1983

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yes, i'm talking about the brake light towards the bottom of the dash near the parking brake. i don't know what switch your talking about though. where is it? thanks.

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Oct 11, 2004 | 02:52 PM

#4

thesprocket26

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From: South Central Boise

On your brake proportioning valve there is a switch that will activate if the line pressures are different or the switch isn't adjusted properly. Do a search I thought I read something on this a week or so back. Try rotating the connector on the switch.

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Old

Oct 12, 2004 | 04:03 PM

#5

idealtrucks

Fleet Mechanic

Joined: Jul 2002

Posts: 1,297

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From: S/W Virginia

i never could get mine to go off after i did a complete brake job so i just ended up unplugging mine

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