Standard Ignition Tail Light Circuit Board P/N:CBT105
Restore proper wiring and bulb function to the driver's-side rear lamp with the Standard Ignition Tail Light Circuit Board CBT111. This LEFT-side circuit board drops in as a direct-fit replacement for the 1999-2005 Pontiac Grand Am — see the Buyer's Guide tab for engine-level fitment. The circuit board carries the sockets and printed wiring that route power to the tail, brake, and turn-signal bulbs; when corrosion, heat, or a cracked trace interrupts that path, replacing the board is what brings the affected lighting circuits back online.
If a failed left tail light circuit board is the cause of dim, dead, or intermittent rear lighting, this CBT111 replaces it. Confirm your vehicle against the Buyer's Guide before ordering.
Interchange: TBC111 · 1041 · 12335396 · TCB110
This part cross-references / interchanges with the following part numbers:
What does this tail light circuit board do?
It holds the bulb sockets and printed wiring that carry power to the rear tail, brake, and turn-signal bulbs. A damaged board can interrupt those circuits and cause lighting faults.
Which vehicles does the CBT111 fit?
It is a direct-fit replacement for the 1999-2005 Pontiac Grand Am. Check the Buyer's Guide tab and confirm the application against your vehicle before ordering.
Is this the left or right side board?
This CBT111 is the LEFT (driver's-side) tail light circuit board. Verify the side you need against your vehicle before ordering.
What numbers does this part interchange with?
It cross-references TBC111, 1041, 12335396, and TCB110. These are other brands' and OE numbers this board replaces.
Will replacing this board fix my rear lights?
If a failed left circuit board is the cause of dim, dead, or intermittent rear lighting, this replaces it. Diagnose bulbs, fuses, and wiring first, as those can cause the same symptoms.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.