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well today i bought i timing light to try to get this thing running. since the code 51(or so ive been told) is more specific to ecm or prom failure, if it was bad connections it should be a different code. but anyway, i took the "730" comp from the 90 RS i have(6cyl and v8 SD comps are same whoohoo) and i installed my custom PROM into that. i plugged that in, then set the timing with the est connecter unplugged. one main thing i did notice was that the ses light was on when i turn the ignition on the went off when the car started. after i set the timing, i checked again and the ses light was back on. However thats all good, thats how it should be, the ses should have been set by the est unhooked. other times the SES light would stay on from when i turned the igniton on , started the engine and then shut it off. i set base timing right at 6*(pretty close to where it was all along) So now i reconnected the est, and disconnected the + terminal to clear the code which i assume was a code 42(est problem). now i'm just gonna have lunch then hook up the battery again and go from there.
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