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azsunny58 Samba Member
Joined: March 19, 2008 Posts: 10 Location: AZ
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Posted: Mon May 11, 2009 9:27 pm Post subject: brake light/generator light on same time |
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Hi everyone, we've got a curious occurance going on with our 73 thing.
While driving her one day the generator and brake warning light both came on at the same time. I've checked the brake fluid, and there are no obvious leaks in the wheel cylinders, the brake pedal still feels like it usually does. Don't quite understand why the generator light is lending sympathy support to the brake warning light, has anybody else had this experience?
Thanks,
Sunny |
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Towel Rail Horizontally Opposed
Joined: April 15, 2005 Posts: 4622 Location: SE CR IA US NA PE
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Posted: Mon May 11, 2009 9:38 pm Post subject: |
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Maybe there's a short in the brake switch? Just a random guess.
- Scott _________________ 1974 Thing -- under the knife
1967 Beetle -- spring/summer/fall driver
1996 Subaru OBW (EJ22, 5-speed, AWD) -- winter car, 3-seasons "don't feel like biking today" car
049 > 070 > 053 > 009 |
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Ian Epperson Samba Member
Joined: January 12, 2005 Posts: 2262 Location: Alameda, CA
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Posted: Mon May 11, 2009 9:51 pm Post subject: |
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The brake warning light has a feature where it tests the light while key is on but the engine is off - just like the gen and oil lights. With the older lights, you pushed them in to test, and you were supposed to do this every time you started the car - no one did. So, in the newer cars (like the Thing) this became automatic. When the gen light is on the first time, the brake warning light is supposed to test. After the gen light goes out, the brake warning light behaves as normal.
So, it's not a brake problem, it's a generator problem - and maybe a brake warning light problem that you didn't know about. _________________ VW-181 shirts and stickers.
http://ian.epperson.com/vw |
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azsunny58 Samba Member
Joined: March 19, 2008 Posts: 10 Location: AZ
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Posted: Tue May 12, 2009 5:06 am Post subject: |
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Thanks Ian and Scott,
We'll take a look at the electrical and see if something doesn't show up.
Sunny |
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Towel Rail Horizontally Opposed
Joined: April 15, 2005 Posts: 4622 Location: SE CR IA US NA PE
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Posted: Tue May 12, 2009 11:36 am Post subject: |
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I'd follow Ian's lead first -- that guy knows his stuff, and I've gotten a little rusty (in more way than one).
- Scott _________________ 1974 Thing -- under the knife
1967 Beetle -- spring/summer/fall driver
1996 Subaru OBW (EJ22, 5-speed, AWD) -- winter car, 3-seasons "don't feel like biking today" car
049 > 070 > 053 > 009 |
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Ian Epperson Samba Member
Joined: January 12, 2005 Posts: 2262 Location: Alameda, CA
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Posted: Tue May 12, 2009 11:52 am Post subject: |
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Towel Rail wrote: |
I'd follow Ian's lead first -- that guy knows his stuff, and I've gotten a little rusty (in more way than one). t |
A little wire wheel and POR-15, and you'll be fine! _________________ VW-181 shirts and stickers.
http://ian.epperson.com/vw |
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LoveMyThing Samba Member
Joined: October 05, 2008 Posts: 89 Location: Los Angeles
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Posted: Sun Sep 10, 2017 9:16 am Post subject: Re: brake light/generator light on same time |
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Old thread. Now I am having this problem.
My generator seized so I replaced it.
Now, brand new generator and voltage regulator and the gen light and brake warning lights are coming on together and flickering off at high Rpms. I have 14.5 volts at the battery so the gen and voltage regulator seem to be working.
This has me perplexed.
Any suggestions? |
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