[DeTomaso] Ignition resistance wire?
Asa Jay Laughton
asajay at asajay.com
Wed May 16 23:50:47 EDT 2012
Yup, you may be right (been -not- doing electronics for too long). When
I fire it up tomorrow (had a dinner party tonight that I forgot about),
I'll check the voltage at the BAT terminal. If it's low, then you're
right, there still -is- a resistance wire between ignition switch and coil.
Thanks for pointing that out.
Asa Jay
Asa Jay Laughton, MSgt, USAFR, Retired
& Shelley Marie
Spokane, WA
******************************
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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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