For 1990-2009 cars

# MISLABELED CONNECTOR MAY CAUSE DIAGNOSIS CONFUSION

#### VEHICLES AFFECTED: 1985-1988 B,G,D,J,R1,R2,R3,Sl,Ml,Gl,G2,G3 VEHICLES

Some 1985-1988 vehicles may have an electrical connector which is improperly labeled. The connector will work properly but could cause confusion if electrical troubleshooting is necessary. Figure 1 shows a properly labeled connector. The improperly labeled connectors have the "A" and "C" reversed. All Service Manual terminal call-outs use the labeling as shown in Figure 1.

Figure 1 - Vehicle Speed Sensor Buffer Correct Connector Label

General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.