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Brake indicator light comes on #698168 02/19/06 01:41 AM
Joined: Nov 2005
Posts: 102
I
irsean Offline OP
Wheeler
Brake shoes and pads are fairly new (lots of material left on them). Plenty of fluid (probably could be changed).
Why would the brake indicator light (dash) keep coming on?


1993 4Runner SR-5 4WD V-6 Auto Trans
1990 Pick-up (Hilux) 2WD SR-5 V-6 Auto Trans
From the Off-Road World
Re: Brake indicator light comes on [Re: irsean] #698169 02/19/06 02:19 AM
Joined: Oct 2002
Posts: 15,887
kewlynx Offline
Toyota & Classifieds Moderator
*****
Presuming your fluid level is okay and the switch in the cap is okay, check your alternator belt; possibly brushes worn as well.
Yota just wired it up that way!


http://www.walkablecommunities.org/

Democracy is two wolves and a lamb voting on what to have for dinner. Liberty is a well-armed lamb contesting the vote.

**ubi apis- ibi salus**
Re: Brake indicator light comes on [Re: kewlynx] #698170 02/19/06 02:21 AM
Joined: Nov 2005
Posts: 102
I
irsean Offline OP
Wheeler
Alternator affects brake light?


1993 4Runner SR-5 4WD V-6 Auto Trans
1990 Pick-up (Hilux) 2WD SR-5 V-6 Auto Trans
Re: Brake indicator light comes on [Re: irsean] #698171 02/19/06 02:24 AM
Joined: Oct 2002
Posts: 15,887
kewlynx Offline
Toyota & Classifieds Moderator
*****
That's how it got wired, even in my truck; brake/charge lights usually come on at the same time if the charging circuit is failing. Only other thing I can think of is your ebrake not being fully retracted.


http://www.walkablecommunities.org/

Democracy is two wolves and a lamb voting on what to have for dinner. Liberty is a well-armed lamb contesting the vote.

**ubi apis- ibi salus**
Re: Brake indicator light comes on [Re: kewlynx] #698172 02/19/06 03:55 AM
Joined: Nov 2005
Posts: 102
I
irsean Offline OP
Wheeler
The light doesn't come on fully. It comes on in a varied dimness and sometimes goes off completely. What about the switch?


1993 4Runner SR-5 4WD V-6 Auto Trans
1990 Pick-up (Hilux) 2WD SR-5 V-6 Auto Trans
Re: Brake indicator light comes on [Re: irsean] #698173 02/19/06 03:57 AM
Joined: Jan 2001
Posts: 11,595
Adam F Offline
Forum Moderator
Is it both battery and brake light? If so, yes those are wired together when the alternator is failing.

Here's the fix
www.4x4wire.com/toyota/maintenance/alternator_brushes/


88 4R, 350 V8, R150 5 speed Sold <...uot; />
97 4R, stock, daily driver
98 Sienna, kid and dog hauler, wife's ride
Re: Brake indicator light comes on [Re: irsean] #698174 02/19/06 03:59 AM
Joined: Oct 2003
Posts: 232
Nix_Toy Offline
Wheeler
Quote
The light doesn't come on fully. It comes on in a varied dimness and sometimes goes off completely. What about the switch?

That happened in my 98 Tacoma a few years back... Because it was dim, and/or dimming, it was directly linked to the cluster... the R+R the cluster and all was fine.

-Nick

Re: Brake indicator light comes on [Re: Nix_Toy] #698175 02/19/06 05:09 AM
Anonymous
Unregistered
The fluid level float in your brake master cylinder has a small hole in it ( from miles of sloshing ). It has some fluid in it now, and it is gradually sinking. Disconnect the wires from the brake fluid reservoir cap and see if it stops coming on.

This solution really eluded me for a long time. Everytime the light would flash, it would kick the cruise control off,, if I had it set.

Mike in AR

Re: Brake indicator light comes on #698176 02/22/06 01:25 AM
Joined: Nov 2005
Posts: 102
I
irsean Offline OP
Wheeler
Thanks Mike. That was it. The Floater was filled with fluid. Disco'd the connection and light went away. Got a new cap and float. Problem solved.
This site is indispensable.


1993 4Runner SR-5 4WD V-6 Auto Trans
1990 Pick-up (Hilux) 2WD SR-5 V-6 Auto Trans
Re: Brake indicator light comes on [Re: irsean] #698177 02/22/06 02:22 AM
Anonymous
Unregistered
Yer Welcome! I guarantee the posters on this board have helped me lots more often than I've helped them.

BTW -- How much was the replacement cap / float and where did you finally get one? I never pursued replacing mine.

Mike in AR

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