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-   -   Replacing Brake Light Switch... (http://forums.pelicanparts.com/porsche-911-technical-forum/242801-replacing-brake-light-switch.html)

WydRyd 09-25-2005 12:49 AM

Replacing Brake Light Switch...
 
I finally resolved my dodgey brake light switch today :cool:

Previously, I had to apply a fair amount of pressure on my brake pedal in order to make the brake lights activate. This was quite stressful in peak hour traffic, especially in wet conditions! I had a couple of near misses, so I finally decided to pull my finger out and do something about it :)

Anyway, as the pic below shows, the switch to the far back of the Master Cylinder is the brake light switch. The Switch at the front is the Handbrake light switch.

It was a mega PITA to actually get a 22mm spanner to the back switch as there isn't much room there :mad: However, I finally got the old one out and quickly had the spare ready to screw in place. Very little brake fluid was lost during the transition ;)

Luckily, I didn't have to replace the Handbrake Switch as I can't imagine doing that with that cylindrical thing right in front of it with those hard lines :eek:

Anyway, just thought I'd share :)

http://forums.pelicanparts.com/uploa...1127638163.jpg

toolman 09-25-2005 06:55 AM

I don't know anything about a hand brake switch, I was told they are both for the brake lights, you get an extra one in case of a failure.

WydRyd 09-27-2005 06:57 PM

Oh, I'm sure I read somewhere that the second switch is for the handbrake. Could be wrong.

Either way, replacing the rear switch alone fixed my brake light issue :D

toolman 09-29-2005 03:52 AM

The hand brake is a cable and has nothing to do with the hydralic system. You might be using one of the two switches for the brake lights, it would be a good idea to replace the other one also.

parkers 05-29-2006 09:37 AM

did you have to bleed the brakes ?

rnln 05-29-2006 03:20 PM

None of those are hand brake switch. They are both the pedal brake light witches. Most people said either one good, your brake light is good to go, but for me it's diff. When I replaced one, my brake light still didn't work, soon the second one came in, all my brake light work great.

Por_sha911 05-29-2006 07:35 PM

Your system uses two switches as a safety backup. This way if one switch fails you still have brake lights. It is wise to replace both at the same time so that you don't find out that your one good switch failed by having a soccer mom on her cell phone running into the back of your car.

parkers 05-30-2006 03:33 AM

thanks to everyone who helped me I have new switches on order
rgds
Mike


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