Again, I don't know if the 1994 engine is exactly the same and I think the electronics are slightly different.
The relay 109 on later cars was originally grey and can fail. If your glow plug light does not come on at all when you start and the GP relay is in place, it's probably relay 109. This controls power to the ECU. No ECU, no fuel injection. I suggest not cracking open fuel line #3 to avoid damaging the sensor. Also, make sure to counterhold each injector when loosening the union. If you hear the click at the fuel shut off solenoid when you turn the key, it's probably good.
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