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Old 03-31-2024, 04:52 PM   #1
327chevy
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'08 no left front signal light

The front drivers side blinkers quit working for no reason and it is not the obvious bad bulbs. The park lights work but the signals don't.
What I have checked so far:
- fuses
- ground
- voltage at the sockets, park side yes, blinker side none
- continuity from headlight assembly plug to under hood fuse box - all wires good
- pulled under hood fuse box completely out,inspected and cleaned all connections.
Checked all fuses at cabin fuse panel.

As of yet I cannot find a reason for that sides blinker not working. The wire diagram has helped to trace the circuit back to spots to be tested.It is showing the BCM as the signal source and I have not tested that yet. Is there another junction I may have missed or a usual fault location that can be checked?
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Old 03-31-2024, 05:13 PM   #2
Stealthee
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Re: '08 no left front signal light

It's likely going to be the BCM or possibly the ignition switch. That Era of GM was known ignition switch issues.
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