Why is it you don't take it to the repair shop ? Do you know about automotive electrical circuit's an testing ? Viewing a wiring diagram an using a DVOM - digital volt ohm meter to test . You changed the blub ,but testing the circuit for B+ voltage is what you should have done . Not a fuse problem either . the other's work . Checking for DTC'S - diagnostic trouble code's would be a good first step . The BCM - body control module turns it on an off .
Turn Signal Lamps
The STOP/TURN fuse in the instrument panel (I/P) fuse block supplies battery positive voltage to the body control module (BCM) for the turn signal lamps. When the turn switch is placed in the left or right position, ground is applied to the BCM on the left or right turn signal switch signal circuit. The BCM then applies voltage to the appropriate front and rear supply voltage circuits.
Grounds for the various lamps are as follows:
• G100 supplies the right front lamps
• G101 supplies the left front lamps
• G400 supplies the right rear lamps
• G401 supplies the left rear lamps
DTC B3948 Left Front Turn Signal Circuit
When the turn signal switch is placed in the left turn position, the body control module (BCM) cycles positive voltage ON and OFF to the LF turn signal lamp through the left front turn signal lamp supply voltage circuit. The front turn signal lamps illuminate steady for daytime running lamp (DRL) operation.
Your best bet , take it to a qualified repair shop.
SOURCE: left tail light @ blinker out
check the bulb contacts for corrosion, also check inside the bulb holder
SOURCE: wiring problem left blinker does not work properly
bad ground ..trace from bulb area back to fuse block with flashers...wire is shorting to ground or ground is loose.. good luck... also... my 05 ram had wrong sized gaskets around bulbs in back causing bulbs to not last til i discovered it not sealing out the elements and replaced
SOURCE: 1997 Cheverolet z71 blinker problem
the most common problem is the light boeard in the tail lights usually replace the board full of bulb sockets and that takes care of it but before condeming the board make sure you are getting power to it
SOURCE: Need to change the left rear blinker bulb on a
Just found a step by step directions for you. I will try it myself tomorrow.. http://cindyli.com/index.php/site/comments/vw_beetle_tail_light_bulb_replacement/
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