PLEASE DON'T FORGET TO RATE!!!
Rear Turn Signal, Brake, & Marker Lights
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Disconnect the negative battery cable.
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Open the trunk.
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Unfasten the nuts or other retainers from the rear trim.
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Unfasten or release the housing cover retainers.
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On some vehicles, you may have to remove the rear fascia/body panel and light assembly to get to the sockets.
On some vehicles, such as this 1986 Grand Am, you must remove the rear body panel with the lamp
Depending upon vehicle application, remove the lamp socket either by rotating it counterclockwise (approximately 1/4 turn) until the plastic tabs disengage, or by squeezing the metal tangs while pulling the socket from the light assembly
Remove the lamp socket assembly by turning it counterclockwise, then pulling it out
Generally, side marker lamps use small bulbs with flat, blade-type bases, and tail lights/turn signals use larger, round-based ("bayonet") bulbs.
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Remove the bulb from the socket using the appropriate method. Bulbs with blade-type bases pull straight out, while those with round bases and protruding pins (bayonet-type bulbs) must be depressed, then rotated counterclockwise (approximately 1/8 turn) before pulling out.
Remove the side marker bulb from its socket by pulling straight out
To install:
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Secure the bulb in the socket using the appropriate method. Bulbs with blade-type bases push straight in, while those with round bases and protruding pins (bayonet-type bulbs) must be inserted, then depressed and rotated clockwise (approximately 1/8 turn).
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Install the lamp socket using the appropriate method. Depending on the type of socket, either engage the plastic tabs, and rotate the socket clockwise (approximately 1/4 turn), or push on the socket until the metal tangs engage.
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Install the housing cover nuts.
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If removed, install the rear fascia and light assembly.
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Install the rear trim.
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Connect the negative battery cable, then check the operation of the rear lights.
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