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'749 questions
I'm hooking up my '749 on the bench using the stim board from the recent efi332
list buy. I have most of it hooked up OK, but have a few questions:
1) EST (C8) - is that an input to the ECU with the timing pulses? 2 per rev?
2) Reference (D8) - ground?
3) BY-PASS (C7) - what's that?
4) I don't see a crank input - not used on the '749?
5) I see 2 VSS inputs - is that a differential signal? 5V or 12V?
I think I'm about ready to power it up and start some ALDL communications.
With any luck I'll be firing injectors soon!
Thanks,
Bill