On 24 Jul 2008 at 22:19, terryrs at comcast.net wrote: > ...and as all know, reversing with OD on is > ...well...bad.... That's what they invented lock-out switches for. Disconnecting the lock-out switch is...well...bad...very bad! Or is the TR3 to primitive for a lock-out switch? -- Jim Muller jimmuller at rcn.com '80 Spitfire, '70 GT6+