When I went to start my van today I was unable to get power. Initially I engaged the glow plugs four times. The glow plugs heat, then the relay chatters. When I turned the key to start there was a pop and the power dropped (eg. Dome lights off, no 12v accessory, battery meter shows no V). Returning the key to accesory did not restore power.
I checked the battery (approx.1yr old) and found 12v across the connectors to the terminals. The connectors were confirmed firmly secured. I then checked fuses, finding only 1 blown fuse for the trailer power which is not connected. All lines from the battery had continuity. I did not detect any parasitic draw. During this time the power came back on.
Now when I engage accessory I recieve power. When attempting to engage the glow plugs I lose power. In accessory the battery voltage no longer reads on the battery meter.
A 2nd car was used for a jump after warming the glow plugs. This caused no change in the symptoms.
The glow plugs are new. Any educated guesses on where I should look for problems? Any ideas are much appreciated.
Vehicle is a 1993 e350. The engine is a 7.3 idi