Standard Ignition 4WD Switch P/N:TCA-35

Keep your four-wheel-drive system communicating the way it should with the Standard Ignition 4WD Switch, MPN TCA-35. This electrical switch is a direct-fit replacement for a range of GM 4WD trucks and SUVs, dropping into the listed applications to restore the switched signal your four-wheel-drive circuit relies on.

• Function: Serves as the electrical switch within the four-wheel-drive system, opening and closing its circuit to signal 4WD status to the vehicle.
• Direct replacement: A straightforward swap for a worn or failed original 4WD switch on the covered vehicles.
• Signs it may need replacing: An erratic or non-functioning 4WD indicator, or trouble engaging or disengaging four-wheel drive — if the switch is the cause, this replaces it.

Fitment: 1999-2005 Chevrolet Blazer; 1998 and 2000-2004 Chevrolet S10; 1999-2001 GMC Jimmy; 1998-2004 GMC Sonoma; 1999-2001 Oldsmobile Bravada. Check the Buyer's Guide tab to confirm the match for your vehicle.

Manufacturer part number TCA-35.