[DeTomaso] Engine run after switching off ignition

[Thomas Tornblom]

Charles McCall skrev:
>> One unanticipated problem is that the engine now runs after I switch off
>> the key :-| It stops if I press the brake pedal with the ignition off.
>>
>> IIRC this has been a problem also for some who installs MSD ignitions
>> and that it is probably solved by installing a diode somewhere in the
>> idiot light cuircuit.
>>
>> Anyone have any info on what the simplest solution is?
> 
> ****Tomas - well, you asked! The simplest solution is to step on the brake
> when you shut the engine off!!! ;-)

Haha, not acceptable to an engineering nut like me :-)

I've looked at the diagram, and it appears that the idiot light (and 
resistor) gets its power from the tacho. Inserting a diode in that 
circuit should be sufficient.

> 
> I have the same problem with my car, and I have an MSD system. I didn't
> realize I had this problem because I always, always have my foot on the
> brake when I shut the car off. I don't use my parking brake, because I don't
> trust it, so I only discovered this by accident when, for some odd reason, I
> had the wheels chocked, the engine running and tried to shut it off. I
> imagine that it has been like that for years, but I never noticed.
> 
> Doesn't bother me much...
> _______________________________________________

Cheers,
Thomas