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My brake lights don't work!

 
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Supreme  



Joined: 09 Jul 2021
Posts: 6
Location: Georgetown, TX

PostPosted: Tue Jul 13, 2021 7:40 am    Post subject: My brake lights don't work! Reply with quote

Hi everyone, 1979 924 n/a here.
The rest of the lights are working but the brakes don't light up at all. I heard that I need to replace the switches on the master cylinder.

My question is, are the two brake light switches for each brake light? (Left/right)

Also, is it strange both would be out?

And lastly, are they easy to replace? I bought new ones and haven't done this before. Is there any chance brake fluid brake will leak out while replacing?

Thanks for looking!
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924RACR  



Joined: 29 Jul 2001
Posts: 9066
Location: Royal Oak, MI, USA

PostPosted: Tue Jul 13, 2021 8:48 pm    Post subject: Reply with quote

Brake fluid would definitely leak out... but if I were you I'd check for power and ground first. Make sure the electrical system is good. If you short out the switch, do the lights come on? If not, replacing the switches is a waste of time.
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Vaughan Scott
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'79 924 #77 SCCA H Prod racecar
'82 931 Plat. Silver
#25 Hidari Firefly P2 sports prototype
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Supreme  



Joined: 09 Jul 2021
Posts: 6
Location: Georgetown, TX

PostPosted: Thu Jul 22, 2021 1:55 pm    Post subject: Reply with quote

Thanks, I'll give this a try!


924RACR wrote:
Brake fluid would definitely leak out... but if I were you I'd check for power and ground first. Make sure the electrical system is good. If you short out the switch, do the lights come on? If not, replacing the switches is a waste of time.

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1979 924 n/a Mexico Beige
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