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Changing to an internal ballast coil - Engine & Ancilliaries/Gearbox - The Lotus Forums #ForTheOwners Jump to content

Changing to an internal ballast coil

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My '79 Eclat came with the original coil marked 06 78 and a "use with 1.3-1.5 ohm ballast" sticker. The likely original wire disintegrated when touched and as the coil shows significant corrosion and the plastic is cracked I need to replace it.  The folks at Dave Bean supplied me with a new coil, which has an internal ballast.  What do I need to do to fit this new coil? I assume there must be an external ballast somewhere that was required by the old coil.  Electrics are not my strong suit, more of a mechanical guy, so any help would be appreciated.

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I think that the coil was fed by a ballast wire which itself provided the resistance; if so you would need to remove this wire and replace it or find another 12v switched ignition feed to connect to the new coil.

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