[6pack] TR6 Ignition Switch failures

[Jay Snavely]

I have just replaced the electrical switch part of the ignition switch on my
72 TR6, for the 2nd time in 2 years.  Both switches were genuine Lucas
parts.  LU39415  The car has been driven a couple hundred miles during this
period.  I am wondering if there might be a situation with the car that is
causing the failures?  The wiring is pretty much stock, with a new harness
15 years ago.  I did add a voltmeter a few years ago, but retained the
ammeter.  And added a circuit breaker in the headlight circuit. There was a
burnt brown wire under the dash feeding power to the light switch, but I
could not figure out if there was a problem or a dirty connector causing it
to over heat.  Is there any reason to add a relay?  There doesn't seem to be
that much current in the red/white wire going to the starter solenoid.
Thanks.

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