Re: {Chrysler 300} Stoplight Switch

[dplotkin <dplotkin@xxxxxxxxxxxxxxxxxxx>]

Just went through this. Had to abandon the Harley Davidson hydraulic switch I installed in a T cause it failed. I'm using silicone DOT 5. I installed a mechanical switch as John described.  

Evidently the hydraulic switch has no wiping action to stay clean and the nature of the contact poles being slowly brought together invites arcing. Somehow the DOT 5 exacerbates the pitting and non self cleaning contact design.  John may have told us this or I learned of it elsewhere.  Can't remember.  

Tell this to my 63 Galaxie whose hydraulic switch I replaced once in 20 years or 60 Buick with its original 60,000 mile switch. Both cars on non silicone DOT 3. 

Danny Plotkin 

Sent from my Verizon, Samsung Galaxy smartphone

-------- Original message --------

From: John Grady <jkg@xxxxxxxxxxxxxxxxx>

Date: 11/12/23 2:24 PM (GMT-05:00)

To: Zach Hietsch <zhietsch@xxxxxxxxx>

Cc: Chrysler list server <chrysler-300-club-international@xxxxxxxxxxxxxxxx>

Subject: Re: {Chrysler 300} Stoplight Switch

Hi

add microswitch to pedal under dash , easy to do with later mopar parts or use V3 style microswitch with long arm . easy to figure out mount bracket of 3/32 or 1/8”
x 1” steel strap
silicone fluid  does hurt many hydraulic switch designs ( they vary) fixes that too . same two wires extend to new place . Old lines have a tee to front wheels line to rear not there anymore could redo o hold switch
at that port , but mechanical way better 

Jg

Sent from my iPhone

> On Nov 12, 2023, at 1:47 PM, Zach Hietsch <zhietsch@xxxxxxxxx> wrote:
>
> Hello All,
>
> I am using the AAJ brake kit for my B and I bought the master cylinder myself but there is no spot for the stoplight switch.
>
> There looks like there is a spot to drill and tap one. Should I do that or is there a MC that has it already there.
>
> I bought the Dorman M75818
>
> --
> For archives go to http://www.forwardlook.net/300-archive/search.htm#querylang
> ---
> You received this message because you are subscribed to the Google Groups "Chrysler 300 Club International" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to chrysler-300-club-international+unsubscribe@xxxxxxxxxxxxxxxx.
> To view this discussion on the web visit https://groups.google.com/d/msgid/chrysler-300-club-international/F304C8CC-A89E-4453-A95F-F3A39C237874%40gmail.com.
> <image0.jpeg>
>
>
> Thanks
> Zach Hietsch
>
> --
> For archives go to http://www.forwardlook.net/300-archive/search.htm#querylang
> ---
> You received this message because you are subscribed to the Google Groups "Chrysler 300 Club International" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to chrysler-300-club-international+unsubscribe@xxxxxxxxxxxxxxxx.
> To view this discussion on the web visit https://groups.google.com/d/msgid/chrysler-300-club-international/F304C8CC-A89E-4453-A95F-F3A39C237874%40gmail.com.

--
For archives go to http://www.forwardlook.net/300-archive/search.htm#querylang
---
You received this message because you are subscribed to the Google Groups "Chrysler 300 Club International" group.
To unsubscribe from this group and stop receiving emails from it, send an email to chrysler-300-club-international+unsubscribe@xxxxxxxxxxxxxxxx.
To view this discussion on the web visit https://groups.google.com/d/msgid/chrysler-300-club-international/3FB20E13-B721-4E84-A800-4E675853D42C%40gradyresearch.com.

--
For archives go to http://www.forwardlook.net/300-archive/search.htm#querylang
---
You received this message because you are subscribed to the Google Groups "Chrysler 300 Club International" group.
To unsubscribe from this group and stop receiving emails from it, send an email to chrysler-300-club-international+unsubscribe@xxxxxxxxxxxxxxxx.
To view this discussion on the web visit https://groups.google.com/d/msgid/chrysler-300-club-international/65512ae8.050a0220.90268.7a7bSMTPIN_ADDED_MISSING%40gmr-mx.google.com.