[DeTomaso] coil resistor

wkooiman at earthlink.net wkooiman at earthlink.net
Wed Jun 3 00:50:06 EDT 2009


Don't quote me on this (check the manual), but I think the MSD can also receive more than 12V, maybe as much as 16V.

Of course, I'm talking about the thick red wire hooked directly to the battery (actually the battery side of the starter relay).

-----Original Message-----
>From: MikeLDrew at aol.com
>Sent: Jun 2, 2009 10:16 PM
>To: scottcouchman at yahoo.com, detomaso at realbig.com
>Subject: Re: [DeTomaso] coil resistor
>
>
>In a message dated 6/2/09 19 38 15, scottcouchman at yahoo.com writes:
>
>
>> I don't think the MSD ignition will work with less than 12V (or maybe 
>> 11.5v).
>> I'm guessing you don't have 9v to the MSD.
>> 
>
>Not to the MSD box itself, no.   
>
>In looking at the schematic, it seems that the MSD box is powered directly 
>from a 12V source with heavy-duty black and red wires; a smaller red wire 
>goes to the ignition switch (presumably this turns the box on and off).   The 
>wire from the ignition switch (on the later cars) is a resistor wire, but 
>since its job is fairly minimal, I suppose it doesn't matter that it's not 
>delivering the full 12v.   Hey, my car runs, so it must work!
>
>I don't know where the heavy red wire is going on my car--probably it's 
>tied in to the main battery cable at the solonoid or something like that.
>
>Mike
>
>
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