CHROME FINISH ON POWER DOOR LOCK SWITCH PEELING/CRACKING

SUBJECT: CHROME FINISH ON POWER DOOR LOCK SWITCH PEELING/CRACKING (INSTALL NEW SWITCH AND CONNECTOR)

MODELS: 1991-93 G VANS

CONDITION

Some owners of 1991-1993 G-vans may comment that the chrome finish on the power door lock switch is peeling and/or cracking.

CAUSE

The chrome delamination was due to a processing which did not allow for the chrome plating to properly bond to the switch face plate.

CORRECTION

This condition may be corrected by installing a new door lock switch P/N 16628533, and a terminal connector package 12117263, which is now available from GMSPO.

SERVICE PROCEDURE

REMOVAL OF POWER DOOR LOCK SWITCH

1. Disconnect the negative battery cable. 2. Use a screwdriver to depress the retaining tabs on the sides of the power door lock switch. 3. Remove switch from the door panel. 4. Twist off lock cap (for models W/interior trim panels). 5. Remove the three wire connector from the terminal side of the power door lock switch and discard the switch. 6. Use wire cutters to cut the three wire harness and discard the connector.

INSTALLATION OF THE NEW CONNECTOR AND POWER DOOR LOCK SWITCH

1. Install the three wire terminal connector kit (P/N 12117263).

Note: Steps a thru d should be followed for procedures 2 thru 4.

a. Remove the insulation from the wires. b. Install splice clips. c. Crimp and solder the splice clips. d. Use electrical tape or shrink tube to wrap the splices.

Note: Letters identify port openings for the terminal connectors. (see Figure 1)

2. Connect the wire lead from port "D" to the black harness wire. 3. Connect the wire lead from port "A" to the orange harness wire with the black tracer. 4. Connect the remaining blue harness wire to the wire lead from port C. 5. Install the connector assembly to the new power door lock switch P/N 16628533. 6. Twist on the lock cap (for models w/interior trim panels). 7. Install the switch and connector assembly into the door panel.

Note: Make sure that the stamping number on the underside of the switch plate faces up.

8. Follow the same procedure for the opposite side. 9. RECONNECT THE NEGATIVE BATTERY CABLE.

SERVICE PARTS INFORMATION

Part Number Description Qty/Veh. ----------- ----------- -------- 12117263 Connector Kit 1 per dr. 16628533 Door Lock Switch 1 per dr.

Parts are expected to be available from GMSPO on 5/10/93.

WARRANTY INFORMATION

Labor Description Operation

N6224 Right Front Door Lock Wire Repair N6226 Left Front Door Lock Wire Repair N2114 Right Front Door Lock Switch Replace N2115 Left Front Door Lock Switch Replace

Labor Time: Use applicable Labor Time Guide

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.