I don't actually need help with this one as it has been resolved (using vortex buicks no start guide), I'm just putting it out there for future no start help.
I recently got ready to start my 87 GN after a year of sitting:
Changed oil, fuel, spark plugs, etc...
Ignition on Fuel pressure good, turn the key and no start...
I checked for spark on cylinders 1,3,5 and there was none present. I checked the module terminal 839 to M, continuity was good which indicates a possible bad module. Luckily I had an extra module left over, swapped it and problems were solved.
Who knows what will be the next issue...
I recently got ready to start my 87 GN after a year of sitting:
Changed oil, fuel, spark plugs, etc...
Ignition on Fuel pressure good, turn the key and no start...
I checked for spark on cylinders 1,3,5 and there was none present. I checked the module terminal 839 to M, continuity was good which indicates a possible bad module. Luckily I had an extra module left over, swapped it and problems were solved.
Who knows what will be the next issue...