66 mustang wiring

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tkapsbug@northstate.net - 15 Mar 2007 22:23 GMT

I have a 66 mustang 6cyc 200, I can not it it to charge, I put a new
battery, alt, vol reg. on and still it will not charge, help. please
email tkapsbug@northstate.net

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Jan - 16 Mar 2007 00:50 GMT

> I have a 66 mustang 6cyc 200, I can not it it to charge, I put a new
> battery, alt, vol reg. on and still it will not charge, help. please
> email tkapsbug@northstate.net

Is the alt light bulb in the dash ok? It won't charge without one.

Jan

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walt peifer - 16 Mar 2007 15:03 GMT

>> I have a 66 mustang 6cyc 200, I can not it it to charge, I put a new
>> battery, alt, vol reg. on and still it will not charge, help. please
[quoted text clipped - 3 lines]
>
> Jan

did you repaint fender aprons recently?
if the regulator and ground straps are attached to freshly painted surfaces
they sometime do not ground.
do you have the ground strap in place from the engine to the firewall?
As you have a 66 you have the 5 dial cluster with a gauge not a lamp. the
gauge must be functioning in order to send signal to regulator to turn on
alternator full field effect to start charging

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Jan - 17 Mar 2007 03:13 GMT

>>>I have a 66 mustang 6cyc 200, I can not it it to charge, I put a new
>>>battery, alt, vol reg. on and still it will not charge, help. please
[quoted text clipped - 7 lines]
> gauge must be functioning in order to send signal to regulator to turn on
> alternator full field effect to start charging

Gee thanks. I have a 66 and didn't think of that... maybe it's time to
start working on the car :) Last monday I tore apart the brake master
and got the brakes to sort of kind of work. At least the pedal stopped
going to the floor.... now I just need to get the engine to run... :)

Jan

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keng2 - 26 Mar 2007 02:26 GMT

>>>>I have a 66 mustang 6cyc 200, I can not it it to charge, I put a new
>>>>battery, alt, vol reg. on and still it will not charge, help. please
[quoted text clipped - 14 lines]
>
> Jan

Have you checked the voltage at the battery with the engine running?? I have
two Mustangs that both indicate zero charge/discharge yet both charging
circuits are working well!! Both have had their harnesses replaced. In order
to cause deflection of the charge/discharge meter there must be approx .1
ohm resistance in the jumper from the alternator to the battery which acts
as a meter shunt. The replacement harnesses do not have the built-in
resistance so consequently no meter deflection even though the charge system
is working fine!!
KenG

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