IGN module difference.

Discussion in 'Sparky's corner' started by chrome yellow, May 2, 2020.

  1. chrome yellow

    chrome yellow Well-Known Member

    What is the difference between gm 4 pin ignition modules tp45 and tp45sb ? Have Dave Ray built dist in my suncoupe and changed the module out with the sb one and I see he calls for tp45 as a replacement. Thanks for any input as I can’t really find any answers on the web.
  2. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD"

Share This Page