3000GT AWD V6-2972cc 3.0L DOHC Turbo (1991)
Ignition Timing Adjustment Connector: Description and Operation
Ignition Timing Connector
The Spark Timing Adjustment Connector, located in the engine compartment is used to by-pass the ECU timing control inputs. This returns timing to the
initial setting (Base Timing) to allow for accurate base adjustment.