Standard Ignition 4WD Actuator P/N:TCA-21
Standard Ignition TCA-1 4WD actuator for the 1988-1996 Chevrolet K1500 and other vehicles engages the four-wheel-drive system when you select it.
Four-wheel drive that will not engage or release when selected can mean a worn actuator, though a blown fuse or a damaged wiring connector can be behind the same trouble, so find the cause before replacing the part.
Besides being a 4WD actuator for the 1988-1996 Chevrolet K1500, it fits the 1995-1996 Chevrolet Tahoe and the 1992-1996 GMC Yukon, and one actuator goes on each vehicle. If your truck is not named here, open the "Vehicles it fits" section to check your exact model and engine.
Fit and size
Build and materials
One 4WD actuator.
Is this the right Chevy Tahoe 4WD actuator for a 1995-1996 model?
Yes. Standard Ignition TCA-1 fits the 1995-1996 Chevrolet Tahoe, and the vehicle takes one actuator. For other models, open the "Vehicles it fits" section and check your engine.
Does the TCA-1 work as a GMC Yukon 4WD actuator for a 1992-1996 truck?
Yes. The 1992-1996 GMC Yukon is on the fitment list for Standard Ignition TCA-1, and the truck needs one actuator.
How many pins does the TCA-1 connector have?
Standard Ignition TCA-1 has an oval male connector with two male pin terminals and a 10.25 inch harness.
Is the TCA-1 sold as a single 4WD actuator?
Yes. This listing is one 4WD actuator, and the contents list names nothing else.
How can I tell if this 4WD actuator is going bad?
Four-wheel drive that will not engage or release when you select it can be a sign of a worn actuator. A shop can test the circuit to confirm.
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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.