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Author Topic: Stop Lite Not Working  (Read 1978 times)

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Offline Michael Bonnar

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  • Exterior Color: Brown over Cream
  • Interior color: Cream
  • Location: Lambertville, Michigan
  • Year_Model: 1950 170S Cabriolet B
Stop Lite Not Working
« on: October 13, 2013, 06:43:34 PM »
Hello,

I have owned my 1950 170S Cabriolet since 1994 and today just learned that my stoplite does not lite when I step on the brake, the turn signals work, any suggestions would be appreciated!

Michael
« Last Edit: October 13, 2013, 06:45:59 PM by Michael Bonnar »
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Offline Stephen Dietrich

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  • Location: Pasadena, CA
  • Year_Model: 170 Da OTP
Re: Stop Lite Not Working
« Reply #1 on: October 13, 2013, 06:57:21 PM »
Have you check the connections at the switch? I had to replace the switch on my 300. Stephen
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Stephen Dietrich
1952 MBZ 170Da OTP
1952 MBZ 300 Cabriolet
1978 Porsche 911SC Targa
1962 Porsche 356B Super

Offline John Ellis

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  • Exterior Color: Black
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  • Location: USA, California
  • VIN #: 136.060-00325/53
  • Year_Model: 1953 170Vb
Re: Stop Lite Not Working
« Reply #2 on: October 13, 2013, 07:36:33 PM »
I agree with Stephen ... it is probably the pressure switch that is located on the brake line distribution manifold attached to the master cylinder (see picture below).  The original MB part number was 000 545 13 09 which has been replaced by 000 545 22 09.  The replacement number comes with blade terminals, not screw terminals. 

You can also use "FTE" part number H0052 or "ATE" part number 24.3526-0100.3, both with screw terminals.  The least expensive option is VW part number 113 945 515 H which also has blade terminals but only costs about US$5.00.  All the others are about US$20>25.
« Last Edit: October 13, 2013, 08:04:23 PM by John Ellis »
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John Ellis
1953 170Vb
1958 190
2007 Porsche Cayman

Offline Michael Bonnar

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  • Exterior Color: Brown over Cream
  • Interior color: Cream
  • Location: Lambertville, Michigan
  • Year_Model: 1950 170S Cabriolet B
Re: Stop Lite Not Working
« Reply #3 on: October 13, 2013, 08:53:05 PM »
Thank you so much!

Michael
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Offline John Ellis

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  • VIN #: 136.060-00325/53
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Re: Stop Lite Not Working
« Reply #4 on: October 13, 2013, 09:08:24 PM »
Might as well check your brake hoses and flush and replace the brake fluid at the same time.
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John Ellis
1953 170Vb
1958 190
2007 Porsche Cayman

Offline Michael Bonnar

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  • Exterior Color: Brown over Cream
  • Interior color: Cream
  • Location: Lambertville, Michigan
  • Year_Model: 1950 170S Cabriolet B
Re: Stop Lite Not Working
« Reply #5 on: October 14, 2013, 06:57:05 PM »
Will do, it's been about 8 years since we have changed the break fluid. 
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