Its located in one of three places. 1). Under the dash visible as a single three or four holed plug. 2). Under the hood around the battery area. 3). On the firewall under the hood.
earlier tan 1996 the plug will be located under the hood
it is obd1 syatem and will need specific scanner or an adaptor to plug later scanner in
Quad-Drive module or QUAD-DRIVE No.1 error
diagnostic plug for 1993 mustang lx where is it
Replace ignition switch for 1993 buick century?
Passenger side fender near strut tower
where is the timing chain on a 1993 buick century 3.3
The diagnostic link connector on a 1993 Volvo 850 is located under the dashboard, near the driver's side. Specifically, it can be found to the right of the steering column, behind a cover panel. This connector is used for accessing diagnostic trouble codes and performing vehicle diagnostics.
Britain
Center of the steering wheel.
The spark plug gap for a 1993 Buick Century is: .045 for the 4 cyl 2.2 engine .060 for the V6 3.3 engine
On this OBD1 vehicle the engine diagnostic connector is under the hood along the driver side inner fender (square and black). There is also a body/trans/abs diag connector under the dash (rectangle and blue).
Should be under the hood, under a black plastic cover
The diagnostic link connector for a 1993 Mercury Capri is typically located under the dashboard on the driver’s side, near the steering column. You may need to look above the brake pedal or behind the fuse box panel to find it. This connector allows you to access diagnostic trouble codes using a scan tool for troubleshooting purposes.