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Hi looking to replace the coil on my 1972 CP TR6.

The car has a new loom but don't know when fitted and has Pertronix electronic ignition.

How can I establish which coil to fit, Ballasted or Non-Ballasted.

 

Many thanks

Phil

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1 hour ago, Phil H 4 said:

Hi looking to replace the coil on my 1972 CP TR6.

The car has a new loom but don't know when fitted and has Pertronix electronic ignition.

How can I establish which coil to fit, Ballasted or Non-Ballasted.

 

Many thanks

Phil

What year is it?

Bruce.

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1 hour ago, astontr6 said:

What year is it?

Bruce.

Still 2020 :D

Edited by Mk2 Chopper
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If you check the coil it will be approx 1.5ohm instead of 3 ohms if it's ballast resisted. 

Normally early cars don't have it. If you switch ignition to on you should see 8v on ballasted cars not 12v at the coil. 

Gareth

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