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Ground
Thermo-Time Switch Connector Plug – This 2 pin plug can be used to verify the
operation of the thermal time switch and the cold start valve. There is a small tab
on the top of the plug that can be used to assist in identifying the connector pins.
By disconnecting this plug from the thermo- time switch and applying 12Vdc to
pin G and ground to pin W, the cold start valve will energize and provide
atomized fuel to the intake manifold – providing the fuel system is pressurized.
Air Flow Sensor Connector Plug – This 7 pin connector plug can be used to
verify the operation of the air flow sensor as well as verify the continuity of the L-
Jetronic wiring harness between the air flow sensor and the electronic control
unit and the dual relays. Remember, when checking the air flow sensor itself, the
pins on the sensor will be a mirror image of the plug (39 will be on your left).
27 36 393968793627
WG