I've had three TF GMC's (2-V8's, 1-6cyl) and they all did the same
thing, all three had the original ignition switch. So my guess is that
you do have the original ignition switch.
Hanlon, Bill (ISS Houston) wrote:
>I am wondering if the ignition switch in my 57 GMC V8 is stock. It is capable
>of turning counter clockwise from the "off" position to what feels like it
>should be an "accessory" position, but checking with an ohmmeter there is no
>connection between the BAT and ACC poles on the back of the switch in this
>position. The only time there is continuity between BAT and ACC is when the
>switch is in the "run" position.
>So my question to you TF owners (with V8 and/or Hydra-Matic - I know the 6
>cylinder w/ standard transmission uses a different switch) is "Does our truck
>have an "accessory" position on your ignition switch?"
>oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
1958 GMC 336 V-8 Factory Napco Suburban Carryall
1959 GMC 270 inline 6-cyl Suburban Carryall
1955 to 1959 GMC website: http://members.tripod.com/P-Wee
Become a Member, Restore a Napco! http://www.napco4x4.org
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959