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2005 - 2006 Corvette: Service Bulletin: Front Park/Turn Signal Bulb Intermittently Inoperative

Service Bulletin #:

Date: July 2005

Subject:  Front Park/Turn Signal Bulb Intermittently Inoperative (Check Bulb Operation and Replace Headlamp Wiring Harness, If Necessary)

Model(s): 2005-2006 Chevrolet Corvette

Some customers may comment that the left or right or both front park/turn signal bulbs are inoperative. This condition may be intermittent and replacing the bulb may not correct it.

This condition may be due to a loss of contact between the base of the bulb and the socket.

Important: Some early versions of the headlamp wiring harness have a section of harness that is not needed for this bulletin. Prior to installing harness to headlamp, disconnect and discard this section.

Check the bulb for correct operation off the vehicle by using a 12-volt power source. If the bulb is found to be inoperative, replace the bulb with a 5702 KA Phillips bulb, P/N 15233607. If the bulb is found to operate out of the socket, then the headlamp wiring harness should be replaced. Remove the headlamp assembly for access to the wiring harness (refer to the Front Headlamp Replacement in SI, Document ID #1507485).

(PDF Document attached below)

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.

© Copyright General Motors Corporation. All Rights Reserved

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