Safety for sticking starter switch

lleven116

New User
I have a '48 TE20 and recently the starter switch stuck and damaged my starter. This has happened in the past and I replaced the switch but, here we go again, and this time I needed to have the starter repaired. Since the starter is hot from the switch, turning the key off does not break that circuit. I would like to put some sort of safety in place in case this would happen again. I replaced the switch again so, everything is fresh. any suggestions would be appreciated. Thanks, Ted.
 
I guess you could add a marine safety switch, but if it's still a 6 volt, I would be hesitant to do any thing that would impair the amp flow.

Six volt systems pull very high amperage, the fewer the connections the better.

Speaking of amperage, if you are having any kind of charging problems, that can contribute to starter switch arcing and welding. A low battery causes the amps to spike even higher.
 
What your actually looking for is what the battery was originally designed to do.
Tapered post that would allow the operator to twist and remove the cables.
Too bad, cables are routinely over-tightened and removing them in an emergency is no longer possible.
The wife's TO (12V pos ground) is wired so the key turns on the ign and the shift handle runs juice through the starter switch to activate a Ford starter solenoid.
The large battery cables are connected to the solenoid.
Beyond that is a master electrical disconnect switch hooked up between the large neg batt cable and ground.
 
(quoted from post at 22:21:29 05/01/20) I guess you could add a marine safety switch, but if it's still a 6 volt, I would be hesitant to do any thing that would impair the amp flow.

Six volt systems pull very high amperage, the fewer the connections the better.

Speaking of amperage, if you are having any kind of charging problems, that can contribute to starter switch arcing and welding. A low battery causes the amps to spike even higher.
guess that I forgot to mention that it has been changed to 12 volt but, still has 6 volt starter. It has a new battery and charging system is working fine. Thanks for your input!
 
Bruce,thanks for your help, this is something that I have been considering and sounds like it may be the answer to my problem. Thanks again!
 

A battery isolator switch is about $15 and works very well . I use one as a matter of course when leaving my Ted20 parked , the battery lasts much longer when completely isolated .
They are a replacement battery terminal with a green round knob on the top . Screw it down to make contact , up to isolate , takes a moment to do and is easy to fit, doesn't need a new mounting hole and isn't visible .
 
Charles, thank you for your feedback. That sounds like something that would be good to have even if I wasn't having the issue at hand. I appreciate all the help that I have gotten and wish you a good day and safe times through this crisis that the world is going through. Best regards, Ted.
 

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