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Author Topic: Brake light warning light  (Read 8979 times)

Offline jdp_509

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Brake light warning light
« on: December 10, 2012, 10:17:27 am »
On my 83 K10 the brake light warning light stays on all the time. My question is what trigger this light to come on excluding the parking brake?
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Jeff

Offline zieg85

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    • 73-87 GM squarebody extended cab and conversions up to 91 R/V series
Re: Brake light warning light
« Reply #1 on: December 10, 2012, 10:35:19 am »
The brake proportioning valve is the other item that triggers the warning light
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Carl 
1985 C20 Scottsdale 7.4L 4 speed 3.21
1986 C10 under construction
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Offline pholliday1

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  • 1990 V3500 Crew Cab
Re: Brake light warning light
« Reply #2 on: December 10, 2012, 12:50:22 pm »
Yea like zieg said the brake proportional valve will cause that but.... usually theres something to go with it, like low fluid,busted line,bad wheel cylnder etc? Let us know what you find out.
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Offline jdp_509

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Re: Brake light warning light
« Reply #3 on: December 11, 2012, 07:32:47 am »
Okay, thanks for the info. Going to do a full brake job and I will let y'all know what I find out.
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Jeff
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