OBD1 Port
OBD1 Port Reference Guide
Radiator Fan Activation
Use a Paper Clip or 18ga Wire to to Jumper TFA to GND in the diagnostic Box. This will activate the Radiator Fan manually.
Fuel Pump Activation
Use a Paper Clip or 18ga Wire to to Jumper F/P to GND in the diagnostic Box. This will activate the Fuel Pump manually.
Diagnostic Mode Activation
Use a Paper Clip or 18ga Wire to to Jumper TEN to GND in the diagnostic Box. This will activate the Diagnostic Mode and allow you to adjust the distributor to change the engine ignition timing.