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Posted: Sun Jan 27, 2008 8:45 pm
by Alec
Hello S95,

from memory the check for a ballast or non ballast coil is that the L.T. connections have a resistance of about 1.5 ohms for the former and 3 for the latter.

Alec

Posted: Sun Jan 27, 2008 9:54 pm
by bmcecosse
Correct Alec - ohms tells all! My (ex Oswestry) TR7 has a 6 volt coil! haven't checked the ohms on that yet.