RE: {Chrysler 300} Battery Switch and Mystery Switch

Be careful with the green knob. Those can and eventually do fail. They pass all current through a conductor far smaller than the battery post & cable. When not sufficiently tight they burn until finally make a bad connection. Usually failure is at crank, and tightening fixes it until it burns away again. A similar device with a black knob is sold and said to be better than the green knob variety.

Best advice: Keep a half inch wrench on the floor behind the driver’s seat. Disconnect the negative cable when garaged.

Danny Plotkin

From: chrysler-300-club-international@xxxxxxxxxxxxxxxx [mailto:chrysler-300-club-international@xxxxxxxxxxxxxxxx] On Behalf Of Dyke Ridgley
Sent: Thursday, July 20, 2023 8:43 AM
To: D.C. Mason <petergriffinforpresident@xxxxxxxxx>
Cc: Marshall Larson <granitledge@xxxxxxxxx>; John Lazenby <french_fryguy@xxxxxxxxx>; 300 club <chrysler-300-club-international@xxxxxxxxxxxxxxxx>
Subject: Re: {Chrysler 300} Battery Switch and Mystery Switch

I have used the "green" knob switches for over 40 years. Never a problem. Remember to always "switch" the "ground " side of the battery regardless of what polarity the car uses.

Dyke Ridgley

Ridgley Racing

5500 Walmsley Rd

Decatur, IL 62521

217-865-2300 p

217-865-2309 f

On Wed, Jul 19, 2023 at 10:07 PM D.C. Mason <petergriffinforpresident@xxxxxxxxx> wrote:

Zach,

I haven’t tried the ones Marshall recommended but these are also an option, have had good results so far with this type, they sell them at Napa.

Sent from my iPhone

On Jul 19, 2023, at 11:08 AM, Marshall Larson <granitledge@xxxxxxxxx> wrote:

These are the disconnects that I use on my cars. IMHO they look much better than any other style.

https://www.amazon.com/Battery-Terminal-Connectors-Disconnect-Compatible/dp/B09GLVT5H2?th=1

On Wed, Jul 19, 2023 at 9:22 AM 'John Lazenby' via Chrysler 300 Club International <chrysler-300-club-international@xxxxxxxxxxxxxxxx> wrote:
Zach,

It sounds like the one toggle switch is for your power antenna and the second one has been added for something else. Possibly and electric fuel pump. Regarding a battery master cut off switch I use a unit offered by Wurth. Here is a link for that: Battery Disconnect Top Post Knife Blade Master Switch for Car RV Truck Vehicle | eBay

John Lazenby

On Wednesday, July 19, 2023 at 05:05:00 AM PDT, Zach Hietsch <zhietsch@xxxxxxxxx> wrote:

Hello,

Does anyone know of a good battery switch. I would like to stop taking off the terminals when the car is in the garage. I found a few but I am unsure if they are any good.

Also I have a 300B and there are two switches in the dash that I am not 100% sure what they do. They are located to the left of the knob used to reset the trip odometer. The one I am pretty sure one is for the antenna(currently it’s not working so I can’t check) but the one further away only toggles left and back to center. Any insight as to what it does.

Thanks
Zach Hietsch

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