About the Metra 72-8104 Speaker Wiring Harnesses
These harnesses allow you to plug your new speakers into the factory connectors present in your Toyota's speaker openings. They are priced per pair. Please enter your vehicle information or call an Advisor at 1-888-955-6000 to find out if these adapters are compatible with your vehicle. Warranty: 1 year.
These worked perfectly. I prefer not to deface the original connectors even though I'll probably never go back to original speakers. The leads on these are plenty long enough as well.
James M. from Macon, GA
Will these work for a 2018 4Runner sr5 without navigation?
Yes, everything should fit.
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More details on the Metra 72-8104 Speaker Wiring Harnesses
Metra Speaker Harness: Metra speaker harnesses prevent you from having to cut your vehicle's factory speaker plugs when replacing your factory speakers with aftermarket car speakers. The Metra speaker harness features two female quick-slide connectors on one end to attach directly to your new aftermarket car speakers & a proprietary Molex connector on the other end that connects to your vehicle's factory speaker plug.
Quick-Slide Connectors: The Metra speaker harness is equipped with a large (positive) & small (negative) female quick-slide terminal. These quick-slide terminals fit directly onto most aftermarket car stereo speaker terminals (slight crimping may be required). In rare cases that the quick-slide terminals do not fit your car speaker terminals, you will need to solder the Metra speaker harness to your aftermarket speaker's terminals or replace the quick-slide connectors on the Metra speaker harness with the correct size terminal.
Note: Installation tools, hardware, & accessories are not included & sold separately. Please see the Accessories tab for recommendations & availability.
Quick-Slide Terminal Measurements: The positive female quick-slide terminal measures 0.205" (inner width), while the negative female quick-slide terminal measures 0.115" (inner width).
Wire Code Chart: Two identical Metra speaker harnesses are included.
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