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Registered
Join Date: Dec 2003
Location: Centreville, MARYLAND
Posts: 938
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79 SC Brake light switches
Failed again. I think this is the third set I have put in the car in the 6 or 7 years I have owned her. Last was about a year ago and included a new master cylinder. Has anyone else had this problem?
Is China exporting a hazard. There are two and they both failed and when they did it was intermittent. Got some real *****ing from fellow DE drivers and corner workers who reported it only to have them work when I came in and at the morning tech. Just changed the brake fluid and bled the brakes. Guess I'll have to do it again. More $$$$ 
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Old Tee all 911s sold |
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10-13-2010, 10:51 AM
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Join Date: Mar 2001
Location: Marysville Wa.
Posts: 22,491
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can't tell you how many i had to warranty, for free. they're all crap.
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https://www.instagram.com/johnwalker8704 8009 103rd pl ne Marysville Wa 98270 206 637 4071 |
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10-13-2010, 11:02 AM
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May not be the switch. Make sure the bulbs are getting a good ground in the sockets.
Mine gave me fits when i first got it. work one minute out the next.
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Pete 79 911SC RoW "Tornadoes come out of frikkin nowhere. One minute everything is all sunshine and puppies the next thing you know you've got flying cows".- Stomachmonkey |
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10-13-2010, 11:06 AM
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Join Date: Dec 2003
Location: Centreville, MARYLAND
Posts: 938
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Quote:
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Old Tee all 911s sold |
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10-13-2010, 12:48 PM
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Join Date: Jun 2004
Location: Palm Springs, CA
Posts: 214
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Didn't someone tear one apart and determine the contacts are too small for the current? The solution was new unburnt switches and a relay.
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10-15-2010, 06:13 AM
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Happiest when Tinkering
Join Date: Jun 2007
Location: Missouri
Posts: 4,624
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Yep this one can't be blamed on china (too bad) the switches are a poor design from getgo and fail often. I bypassed them many years ago and installed a mechanical switch after my third change out failed.
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10-15-2010, 06:46 AM
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What's Facebook?
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LED bulbs might help as they typically reduce the current through the circuit.
I have never had an electrical failure of these switches, but have changed several (less than 2 years old) because brake fluid leaks from seal around the electrical terminals.
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Turborat "’Cause every once in while, the lion has to show the jackals who he is” 1979 911 SC - 2100 LB track rat 1986.5 928 5-Speed - 36,000 miles 2001 330Ci |
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10-15-2010, 11:11 AM
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1979 Porsche 911SC
