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Registered
Join Date: May 2009
Posts: 12
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brake light problem
Hi everyone im new to the forum i am the third owner of a 1982 black porsche 928 with around 95,000 miles. car runs like a top but has a brake light issue that has just occurred.
stop lamp switch on the dash is lit up... tested fuses which were ok, bulbs ok. tested bulb sockets which were receiving no power. passenger side assembly looked burnt so i pulled the rear bumper and replaced it only to find brake lights still dont work. turn signals, tail lights, and reverse lights all work fine brake lights are out. i will start with two questions: Where is the brake switch located and how do i access it to test it? If the switch proves to be o.k would the problem consist of a wiring problem or bad ground? |
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05-31-2009, 07:54 PM
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928-Electrics Guy
Join Date: Jun 2007
Location: Phoenix AZ
Posts: 715
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The brake switches are 2 parallel pressure switches on the cylinder. The brakes are fed by the Accessory (X) output of the ignition switch via fuse 9. check.
Other items fed by X are the Wipers - do they work OK? Alan
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1994 928 GTS Black/Black Manual |
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05-31-2009, 08:43 PM
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Registered
Join Date: Oct 2008
Location: Columbus, MS
Posts: 845
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Yep...2 under the brake master. They fail because brake fluid leaks on them. I replaced just one ( the forward one...the back one is a PITA to remove ) on my sons 80 model and got lights back. Good luck.
BTW..auto zone has a cross reference VW part number that works great. |
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05-31-2009, 08:55 PM
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Registered
Join Date: May 2009
Posts: 12
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awesome
Thank you guys checked brake switches, one had somehow worked its way loose causing a faulty connection.
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06-02-2009, 05:49 PM
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