Cutlass L4-138 2.3L VIN A FI HP (1990)
Some late production 1990 Cutlass Supreme models may be equipped with a new style convenience center that utilizes embossed terminal cavity
numbers adjacent to each terminal cavity of the relay center (see Figure 1).
The old style unit does not utilize embossed numbers at the terminal cavities (see Figure 2). However, numbers were already assigned to the cavities in
some of the diagnostic charts in the service manual. The numbers were changed for the "new style" convenience center to comply with certain standards.
The circuits contained within the "new style" convenience center are in the same physical locations as those of the "old style" unit.
Diagnostic charts used in DRIVEABILITY AND EMISSIONS (SECTIONS 6E2 and 6E3) and ELECTRICAL DIAGNOSIS (SECTION 8A) may
