Keep your tail lamps signaling clearly with the Standard Ignition Tail Light Circuit Board CBT101. This board carries the wiring circuit and bulb sockets that feed the rear lamp assembly, and it drops in as a direct-fit replacement for the 2002-2009 Chevrolet TrailBlazer and the 2004-2006 Chevrolet TrailBlazer EXT. When a cracked, corroded, or burned circuit board is the cause of dead or flickering tail, brake, or turn-signal bulbs, this replaces it.
- Direct-fit design: installs in place of the original board out of the box for a straightforward swap.
- OE-level engineering: designed to meet or exceed OE performance so the rear lamp circuit works as intended.
- Tested to OE specifications: extensively tested to OE specifications to support consistent performance and long service life.
- Restores function: a high-quality direct-fit replacement intended to bring back proper tail light operation when a failed board is the cause.
Signs the original board may need replacing include tail, brake, or turn-signal lamps that don't light, flicker, or work intermittently, and visible cracking or corrosion on the board or its sockets. See the "Vehicles it fits" section for full application details.
Interchange: TBC101 · 1007 · 16525938 · 16532713 · TCB101
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
TBC101, 1007, 16525938, 16532713, TCB101
Frequently Asked Questions
What does this circuit board do?
It carries the wiring circuit and bulb sockets that route power to the rear lamp assembly, feeding the tail, brake, and turn-signal bulbs.
Which vehicles does the CBT101 fit?
It is a direct-fit replacement for the 2002-2009 Chevrolet TrailBlazer and the 2004-2006 Chevrolet TrailBlazer EXT. Check the "Vehicles it fits" section to confirm your vehicle.
How do I know the circuit board is the problem?
Look for tail, brake, or turn-signal lamps that stay dark, flicker, or work intermittently, plus visible cracking or corrosion. Diagnose the cause before replacing.
Is this a direct-fit part?
Yes. It is designed to install in place of the original board out of the box for a straightforward replacement on the listed applications.
What numbers does this board interchange with?
It cross-references TBC101, 1007, 16525938, 16532713, and TCB101.
