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1994 GMC VN Commodore, Ignition Waveform
Posted to the Waveform Library on 4/5/2001

To get the current waveforms seen here, remove the EFI relay and insert a jumper wire between Pin 30 Battery supply and Pin 87 relay output. And hook the current probe onto the jumper wire. Notice there are no problems show up here!

 

car Vehicle Data

1994 GMC VN Commodore 3.8L

Engine3.8 L / 6 cyl
DeliveryFuel Injection
SubsystemIgnition
ComponentOther
ConditionKnown Good

car Vehicle Data

1994 GMC VN Commodore 3.8L

Engine3.8 L / 6 cyl
DeliveryFuel Injection
SubsystemIgnition
ComponentOther
ConditionKnown Good