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Kirkham Motorsports

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  #1 (permalink)  
Old 07-20-2018, 11:24 AM
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Alternator with correct bracket (provided by John-CompClassic)
and the correct pigtail (provided by Rick - Mark - IV)
CompClassics and peterpjb like this.
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Old 08-07-2018, 12:55 AM
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I did try it and it did not work correctly.

I used the drawing WITH the Ammeter (below) and integrated the Charge Indicator Light between the Ignition Switch (out) and the port I of the regulator.

If I turn the ignition switch on the regulator gets activated, but no light on the Indicator Light. If I turn the ignition of the regulator remains active and the light on the Indication Light gets partial on…..
The regulator only deactivates if I remove the NEG connection.

What I don’t have next to my Indicator Light yet is the 15Ohm resistor.

Did I something wrong with the integration of the Light?
How is the drawing on the 289 street cars with Indication Light and Ammeter??
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Old 08-08-2018, 01:21 AM
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I'm an idiot.....
I did buy long time a go the Autolite Alternator Service Manual and it has some drawings on it.




Strange is the direct connection on the Ammeter drawing between Alternator Output Terminal -> Battery + -> Regulator I.
This is not on the Ford drawings...??
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Old 08-08-2018, 06:52 AM
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Been through all this myself as I used to have an Autolite alternator with a Autolite regulator on my car. I've now fitted a Lucas Dynamo (with alternator hidden inside), to get back the proper cable tacho drive to mechanical tach... but I've attached my wiring diagram which took ages to work out for an electrics-hater like me. This is Lucas wiring and colours, but it should tell you enough about what you need to work. Obviously, the car has ammeter and ignition warning light. Hope it helps! I should mention - I've driven 3,000 miles with it as the diagram with no issues.

Roger
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Old 08-08-2018, 08:06 AM
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Hi Roger
MANY THANKS

I'm using a similar Wiring Diagram on my 289 (AC Cobra Wiring Diagram Lucas Model SF4 Type Neg) with some enhancements.

The only difference I can see between my setup and your implementation:
Alternator S is connected to Regulator S

I’ll change my setup based on your drawing as soon I get the 15 Ohm resistance delivered to add it to the Indication Light .
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Old 08-08-2018, 12:33 PM
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You're welcome. No resistor for the warning light on UK cars, though... although the one difference I've found is that the UK cars used a ballast resistor, I didn't as I am using a Pertronix III hidden inside a dual-point Hipo distributor. The Pertronix and matching coil (painted yellow and black) require full 12V all the time.
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