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PsyphinX
Samba Member
Joined: November 29, 2014
Posts: 31
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 Posted: Sat Oct 15, 2016 7:13 am Post subject: Odd brake light problem |
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| I have a 1970 standard beetle and for some reason I'm having trouble with my brake lights. They work "properly" but when the brake pedal comes all the way up the brake lights come back on again. I've gone over as much of the rats nest wiring that I can but can't find out why. If you depress the brakes a little they turn off, then when you actually get on the brakes they turn on. Any ideas? |
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sb001
Samba Member
Joined: May 19, 2011
Posts: 10406
Location: NW Arkansas
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| Posted: Sat Oct 15, 2016 8:25 am Post subject: Re: Odd brake light problem |
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That is weird. The only explanation for that I can think of is that somehow you are getting residual brake fluid pressure in the master cylinder when the brake pedal is all the way up. The first thing I would check is the fluid level in the reservoir and make sure it isn't overfilled. Also make sure the brake switches are installed tightly on the MC, I suppose a loose switch might be able to cause that problem. Good luck
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I'm the humblest guy on this board.
1969 autostick sedan, family owned since new
1600 SP engine
Solex 30 PICT 3 carburetor
Bosch 113905205AE autostick distributor |
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Cusser
Samba Member
Joined: October 02, 2006
Posts: 31379
Location: Hot Arizona
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| Posted: Sat Oct 15, 2016 8:33 am Post subject: Re: Odd brake light problem |
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I'd isolate the wire from the brake switches to the warning light on the dash, see if that corrects things. That dash "warning light" rarely seemed to work as designed.
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1970 VW (owned since 1972) and 1971 VW Convertible (owned since 1976), second owner of each. The '71 now has the 1835 engine, swapped from the '70. Second owner of each. 1988 Mazda B2200 truck, 1998 Frontier, 2014 Yukon, 2004 Frontier King Cab. All manual transmission except for the Yukon. http://www.thesamba.com/vw/forum/album_page.php?pic_id=335294 http://www.thesamba.com/vw/forum/album_page.php?pic_id=335297 |
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PsyphinX
Samba Member
Joined: November 29, 2014
Posts: 31
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| Posted: Sat Oct 22, 2016 6:49 pm Post subject: Re: Odd brake light problem |
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| OK, got it fixed. One of the stoplight sensors was bad. I thought it was a 2 prong sensor only to find out it was a three. It was broken off so clean that I couldn't even tell there was something wrong. Thank you everyone for your help. But my brakes still suck. Different problem, still need to fix. |
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