04-08-42-004A Additional Information - kw brake bulb lamp left light turn rear right repeat inoperative signal stop

The following diagnosis might be helpful if the vehicle exhibits the symptom described in the PI.

Customers may comment that the left or right tail lamp, brake lamp or turn signal is inoperative.

Steps to take in order to prevent repeat failure of the rear tail/brake/turnsignal bulbs:

1. Using bulletin 04-08-42-004A, order the parts you need for repairs. Note: YOU MUST USE A NEW SOCKET WITH A NEW BULB EVERYTIME.
2. When you have the new parts, remove the bulb from the socket and bend the metal electrial contacts to better grip the bulb terminals.
3. Before reinstalling the bulb pack the socket with dielectric lubricant or dielectric grease. (LOTS OF GREASE)
4. Install the new bulb into the new socket.
5. Complete repairs to that side of the vehicle.
6. Next remove the opposite side brake/tail/turnsignal assembly and remove the bulb.
7. Tighten the terminals and pack the socket with dielectric lubricant or dielectric grease and reinstall the bulb.
8. Recheck for proper operation of both left and right hand Brake/Tail/Turnsignal bulbs.

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Please follow this diagnosis process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed. If these steps do not resolve the condition, please contact GM TAC for further diagnostic assistance.

(03 Chevrolet Cavalier) and (03 Pontiac Sunfire)

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