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Ignition Coil [ Intermotor 11070 ] GCL334
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Genuine INTERMOTOR 11070 Aftermarket Ignition coil fully tested to be used with a ballast resistor. Primary winding resistance 1.4 Ohms.
Unbranded Bulk Buy item to keep costs down. Authentic Made in UK label on base.
We offer this part in place of earlier Unipart Original Equipment now unavailable.
Part numbers that may bring this product up are UKC3555 GCL111 GCL132 GCL217 Weight is 800 grams
If you have electronic ignition please note that a coil of this type has given many years of reliable service with Lumenition Electronic Ignition on our car. We would have no hesitation in now fitting a this item to our car.
Additionally these INTERMOTOR Brand Coils have been tested and show better insulation than other Brands currently on the market.
We stress that it must be used with a Ballast resistance wire or Ballast Resistor which is bypassed only when starting.
NOTE
Why a 6 volt coil in a 12 volt car?
With the points closed, current will flow as follows: battery to ign switch to ballast resistor to coil to points and finally to ground.
With an assumed charging voltage of 14 volts at the battery, we can measure voltage drops of about 8 volts across the ballast and 6 volts across the coil. THIS MAKES THE COIL OPERATE ON 6 VOLTS WHICH INDICATES THAT IT IS A SIX-VOLT COIL.
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