Standard Ignition 4WD Indicator Light Switch,4WD Switch P/N:TCA-2
Keep your dashboard's 4WD indicator reporting the true drivetrain position with the Standard Ignition 4WD Indicator Light Switch TCA109. It installs as a direct-fit replacement for the listed applications — the 2016-2020 Chevrolet Colorado and the 2015-2020 GMC Canyon — restoring the switch that tells the instrument cluster when four-wheel drive is engaged.
This switch monitors the four-wheel-drive system's position and completes the circuit that illuminates the 4WD indicator lamp, so the driver sees an accurate readout of the drivetrain's engagement status.
Interchange: FWD99 · FWD119 · 22940467 · 23233059 · 84252239 · Manufacturer part number TCA109.
Diagnose the cause of any indicator-light concern before replacing, since drivetrain and wiring issues can produce similar symptoms. Confirm fitment for your vehicle using the Buyer's Guide tab.
This part cross-references / interchanges with the following part numbers:
What does the TCA109 4WD indicator light switch do?
It monitors the four-wheel-drive system's engaged position and completes the circuit that illuminates the 4WD indicator lamp on the instrument cluster, so the driver sees the drivetrain's engagement status.
Which vehicles does this switch fit?
It's a direct-fit replacement for the 2016-2020 Chevrolet Colorado and the 2015-2020 GMC Canyon. Check the Buyer's Guide tab to confirm fitment for your vehicle.
What numbers does the TCA109 interchange with?
It cross-references FWD99, FWD119, 22940467, 23233059, and 84252239. Its own manufacturer part number is TCA109.
What are signs this switch may need replacing?
A 4WD indicator that stays lit, fails to illuminate when four-wheel drive is engaged, or flickers can be signs. Diagnose the cause first, since wiring and drivetrain issues can mimic these symptoms.
Will replacing this switch fix my 4WD indicator light?
If a faulty switch is the cause, installing the TCA109 replaces it. Because similar symptoms can come from wiring or drivetrain problems, diagnose the cause before replacing.
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.