[DeTomaso] Ignition switch

[Asa Jay Laughton]

Steve......

You're denting my Ego man...

;)
Asa Jay

- all valid points, and the accidental push while running has me  
perplexed at the moment, which is holding me off for just a little  
while. -

Quoting steven.liebenow at att.net:

> Guys,
>
> I have to wonder here......if you are all on a wild Goose chase!!!?
>
> The start position of this switch only provides current to the   
> starter solenoid and the coil AFAIK.....until the engine starts and   
> the key is returned to the run position, which then powers   
> everything else up. High current items like fans and AC etc should   
> not be energized.
>
> What I saw in Garth's most excellent write up, is a simple copper   
> rotating switch affair that most likely succumbs to a bad case of   
> gummy grease and dirt, and eventually burnt contacts or heated wires  
>  due to the excessive resistance in the switch.
>
> In my Goose, the culprit was a bad run circuit. It eventually   
> overheated and melted down the insides of my switch which then fell   
> down and shorted out the main power wire.....switch should have been  
>  mounted 180 degrees around....duh! Hot on top!
>
> If your ignition switch is hot during running, you have a problem.   
> Luke warm is not so bad....but HOT or really warm could be the   
> beginning of a problem.
>
> What I am hearing here, about putting in start buttons does nothing   
> to alleviate any issues with the run circuitry of the switch.  I   
> would think you would be better served spending time to clean the   
> switch contacts and apply fresh grease before I would dork around   
> with a start button.
>
> I have a start button on my starter solenoid, and I surprise myself   
> every time I inadvertently lean on it while working on the   
> car.....wheel chocks and neutral!!!!!
>
> Another thing to consider if you are convinced your wiring is so bad  
>  that you need a start button....relays to isolate the start switch   
> so that it does not crank when the key is off, and also, once the   
> engine is running, that it doesn't engage the starter if   
> pushed.....that latter thing could be a challenge....
>
> Much simpler to just install a new electrical portion of the   
> ignition switch! You'd spend hundreds of dollars to put in a new   
> aluminum radiator, which may or may not do a better job than the   
> brass one....but you won't spend $150-200 for a new ignition switch?
>
>
> Steve
>
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