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 Brake and Battery Warning Lights on. What could it be?
#419485
03/17/04 04:57 PM
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Joined: Nov 2003
Posts: 57
OP
Getting the Wheeling Fever
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Yesterday my Brake and Battery dash warning lights came on for a few minutes, then went off. They did it again a little while later, then I didn't notice them again for the rest of the day.
Today they are steady on. Drove to work this morning and both warning lights were on for the entire 35 min. drive.
I haven't noticed any symptoms yet.
Any ideas? How can I pull the computer error codes?
1991 4Runner V6(3VZE) 5-Speed 4X4 SR5
349,000 Miles and STILL Running Strong!!!
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Re: Brake and Battery Warning Lights on. What could it be?
[Re: distilled]
#419486
03/17/04 05:09 PM
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Anonymous
Unregistered
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In regards to the brake lamp, if your parking brake is all the way in, perhaps you have a low Master Cylinder level. Simply check it out and refill as necessary. If not, perhaps a poor level sensor on the MC, or your parking brake switch is somehow messed up.
The battery, well don't know for sure, but perhaps your alternator is going out? or maybe your battery isn't charging anymore? Get them both check out for free at any local Checkers/Kragen's/Schucks or I think autozone will test for free too.
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Re: Brake and Battery Warning Lights on. What could it be?
#419487
03/17/04 07:08 PM
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Joined: Nov 2003
Posts: 57
OP
Getting the Wheeling Fever
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It's not the parking brake and it's not the fluid level.
What's wierd is that they both come on and turn off at the same time.
How can I pull the error codes to see what it might be?
Thanks
1991 4Runner V6(3VZE) 5-Speed 4X4 SR5
349,000 Miles and STILL Running Strong!!!
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Re: Brake and Battery Warning Lights on. What could it be?
[Re: distilled]
#419488
03/17/04 07:58 PM
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Joined: Mar 2003
Posts: 1,045
Body Damage is Cool
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The brushes in your alternator are worn down and at the end of their rope (wire tether).
Dont waste your time testing it at the parts chains, it can be intermittent. Get a brush holder assembly from a Toyota dealer ($15-20) and replace them. Very easy job after remove rear cover grille on back of alternator.
Turn LEFT to go RIGHT
Thudump!....What was that daddy? Ran over a Honda, go back to sleep sweety.
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Re: Brake and Battery Warning Lights on. What could it be?
[Re: TRDSR5]
#419489
03/17/04 09:54 PM
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Joined: Nov 2003
Posts: 57
OP
Getting the Wheeling Fever
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If it is the alternator that sucks. Just put it on about year and a half ago. And that was to replace the original Toyota alt. Guess I'll have to dig up my receipt and check the warranty.
There's no way it could be the battery?
1991 4Runner V6(3VZE) 5-Speed 4X4 SR5
349,000 Miles and STILL Running Strong!!!
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Re: Brake and Battery Warning Lights on. What could it be?
[Re: distilled]
#419490
03/17/04 11:04 PM
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Anonymous
Unregistered
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There's no way it could be the battery? Load testing is a way to figure out the lively hood of the battery.
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Re: Brake and Battery Warning Lights on. What could it be?
#419491
03/18/04 01:25 AM
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Joined: Feb 2001
Posts: 1,681
Body Damage is Cool
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Yeah, could be, but it's probably the alt.
For the umpteenth time, Toyota does the simultaneous CHARGE / BRAKE lights ON PURPOSE, to attract your attention so you know something important is wrong; usually MC fluid level or bad alt.
- seen in FOUR WHEELER mag July 2006 & OFF-ROAD mag Feb 2007 -
'84 4Runner ARBed 5.29s F&R,4.7 & 2.28 t-cases,hy-steer,BudBuilt skid,30spl Longs,36" TSLs,Chevys
'83 P/U, Buick 231 V6,Holley 4 bbl,Weiand intake,Downey headers,TH350 w/700R4 gearset
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Re: Brake and Battery Warning Lights on. What could it be?
[Re: fourwd1]
#419492
03/18/04 11:21 AM
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Joined: Apr 2000
Posts: 4,282
Roll Me Over
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it's the alt...
2 years ago, within a span of 2 months... i went through 3 pep boys alterntors...
leo d. 90 4runner, v6, auto, WCOR CitB kit, marlin duals, arb rear, tt front 4.88, blah, blah, blah... Pres. of TEAM IFS! and GETTING OFF 4WD Club member
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Re: Brake and Battery Warning Lights on. What could it be?
[Re: distilled]
#419493
03/18/04 01:47 PM
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Joined: Mar 2003
Posts: 1,045
Body Damage is Cool
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If it is the alternator that sucks. Just put it on about year and a half ago. And that was to replace the original Toyota alt. Guess I'll have to dig up my receipt and check the warranty.
There's no way it could be the battery? Yup it sukks, but it's a rerun of a story I've heard over and over. I'm 99% sure it alternator....if you replaced the original with something other than a Toyota then I'm 100% sure <img src="/forums/images/graemlins/smile.gif" alt="" />
Turn LEFT to go RIGHT
Thudump!....What was that daddy? Ran over a Honda, go back to sleep sweety.
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Re: Brake and Battery Warning Lights on. What could it be?
[Re: TRDSR5]
#419494
03/18/04 09:45 PM
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Joined: Nov 2003
Posts: 57
OP
Getting the Wheeling Fever
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It was the alternator... Got it at O'reilly's. It came with a lifetime warranty so they replaced it for free. I would love to only buy Toyota parts but sometimes the budget doesn't allow. If I don't buy Toyota, I always at least try make sure the part is a decent brand and comes with a lifetime warranty. For the umpteenth time, Toyota does the simultaneous CHARGE / BRAKE lights ON PURPOSE, to attract your attention so you know something important is wrong; usually MC fluid level or bad alt.
by: fourwd1 Guess it worked then.
1991 4Runner V6(3VZE) 5-Speed 4X4 SR5
349,000 Miles and STILL Running Strong!!!
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