[DeTomaso] Ignition resistance wire?
Asa Jay Laughton
asajay at asajay.com
Fri May 18 19:17:16 EDT 2012
Alrighty then...
So the system is all hooked up. I connected my voltmeter + to the BAT
term on the coil, and - to Ground. With the ignition ON, I get 12V.
With the engine started and running (yea!, the Pertronix works!), it
reads between 12V-14V. This tells me I don't have any resistance wire
in line there. Right!
What I have at the BAT term on the coil is directly wired to the
Pertronix module, so it's getting full 12V.
Yes, the wiring diagram indicates a resistance wire between ignition
switch and coil for my year, but the wire colors don't match my car.
They actually more closely match (at the coil anyway), an early Pre-L
model diagram. Don't ask me man.... maybe Guido found a leftover the
day they assembled my car and spliced it into the rest. Who knows.
Someday when I pull the engine and have time to sort the wiring, I'll
let you know if the wire I suspect is a resistance wire between the coil
and distributor (that I'm not using now), really was a resistance wire
or not.
:)
Asa Jay
Asa Jay Laughton, MSgt, USAFR, Retired
& Shelley Marie
Spokane, WA
******************************
http://www.racingagainstautism.com
http://www.teampanteraracing.com
http://facebook.com/racingagainstautism
On 5/16/2012 7:06 AM, Paul - Home wrote:
>> The Red and Pink wire set measure 12.4 Volts (isolated from the coil)
>> when the ignition is ON. (note, I currently have a Battery Tender on the
>> battery). This tells me there is not resistance wire from the ignition
>> to the coil.
>>
> I'm not exactly sure, but my interpretation of what you tested won't
> tell you if there is a resistor here. I'm assuming that by "isolated
> from the coil" means you removed these wires from the coil. If that's
> the case, you won't see a voltage drop across a resistor in these wires.
> You should only see a voltage drop on the Red and Pink wire if they
> are connected to the coil and the (-) terminal on the coil is connected
> to ground.
>
> Under normal circumstances the resistor is supposed to be between the
> battery and the coil. The resistor is supposed to be "shorted" out when
> you turn the key to start.
>
> Paul
> #9270
>
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