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Bosch Blue Coil Install Questions

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Old Feb 14th, 2020, 03:33   #1
DaWhole9
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Default Bosch Blue Coil Install Questions

Since my ignition switch is bad on my 1964 Wagon, I have decided to replace it with a new Bosch Porsche 356 ignition switch, as well as a Bosch blue coil. Just wanna get everything I need for the job.

Are all Bosch blue coils the same?

The plan is to remove the ignition switch and coil, and replace with the new ignition switch and wire it to the coil with 14 gauge wire.

The Bosch coil should be a simple swap from the old coil, correct? Wiring should be just putting th positive wires from the old coil onto positive of the new coil and the same for the negative side. Then mounting it.

Ballast...this always confused me. Do I need a resistor in the wiring? I think my car has points, but I will either go Pertronix or 123 Tune in the future.
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Old Feb 14th, 2020, 13:50   #2
Derek UK
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The Bosch Blue is a 3 ohm coil and that is what you want. These coils commonly used in VW Beetles and Vans and quality varies greatly depending on where they are made. Beware Brazil. Black ones from early VW Golf/Rabbit/Jetta/Passat are fine too and you can probably find a handful from the local pick 'n pull for a few $.
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Old Feb 14th, 2020, 16:26   #3
csm22
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Quote:
Originally Posted by DaWhole9 View Post

Ballast...this always confused me. Do I need a resistor in the wiring? I think my car has points, but I will either go Pertronix or 123 Tune in the future.
IIRC, you won't need a ballast resistor with the Bosch blue coil. I don't have one with my Bosch blue and Pertronix.
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Old Feb 15th, 2020, 04:35   #4
DaWhole9
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Cool thanks guys! Just wanted to get the correct stuff. This is step one to get the Amazon Wagon back to road ready.
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