Thanks for the reply. That makes sense electrically.
That seems a more elegant solution.

Too bad I already put in a jumper on my memcal.
Well actually on my chip adapter for now.
...

Well I got this truck from a friend who put a lot into it but couldn't quite get the EFI kinks worked out. Not a mechanic, but he paid enough to get a good one. :(

I got an ALDL cable , chip...

I recently picked up this 74 blazer from a kid that couldn't get it to run right, thought I might have a crack a it.
It has a 350 with 7730 ecm. learning everything else now.
hope I did this...