Do you know which transistor is replaced ? (photo maybe)
(Topic ID: 232321)
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Hi,
I think you have to measure the signals starting at J1 while in manual test mode, keep in mind this is a H-drive so Q2 is working together with Q3 and Q1 with Q4 (this is for motor 1) So you should be able to folow the DIR** and ENABLE** signals from J1 to J2 (or J3) Pay attention to the type of transistors (NPN and PNP) and check you replaced it with the correct types.
succes
Yes I have a Corvette, and some others.
If you are in a drag race, you should try to shoot combo's and the popbumpers, the harder the shots the faster you go 
here are some pic's of the Corvette:
https://pinside.com/pinball/forum/topic/corvette-playfield-backplate-decal#post-4721399
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West Chicago, IL
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