manual programing a gm90

[john_boy]

hi there i have a gm90 in my t3 2011 but am i finding it hard to program the advancing and boots with out a lap top is there any way i can adjust the speedo with out a lap top

hope some one can help

many thanks
john

[Swalls]

I think there is a way, but it involves a million flashing lights and is more trouble than its worth.

What exactly is the problem you are having with using a laptop? I've programmed mine quite a bit so hopefully I can help.

[john_boy]

hi mate
there is no problem with me using a lap top but i will need to buy one first so if i could do with out i would save a bit of pennys