Receiver Wiring Adaptor

Model: 120 70-8117

Revision: 06/14/21

Important Information

Before starting, compare items on your invoice with items received. Thoroughly check packing materials. If an item is missing, please call Crutchfield at 1-888-955-6000.

Step 1 -- Match & Connect Wires

A. Match wires below to the matching function of each wire on your receiver (refer to instructions supplied with receiver). The wire colors of your new receiver may, or may not, match the wire colors of the adaptor. Match adaptor and receiver wires by function, disregarding color.

B. Some wire functions depend upon what vehicle the harness is being applied to. See the chart on the next page as a guide for your particular vehicle before making any connections.

C. Individually tape off any unused wires.

D. Refer to the chart on page 3 for the amplifier location in your vehicle, and make final wiring connections following instructions on page 4.

Wire Color Guide:

Red - 12 Volts Switched Power

Blue - Power Antenna

Black - Chassis Ground

Yellow - 12 Volts Constant Power

Green/Red - (see next page)

Dark Blue/Pink - (see next page)

Green/Black - Left Rear Speaker Negative

Violet/Black - Right Rear Speaker Negative

White/Black - Left Front Speaker Negative

Gray/Black - Right Front Speaker Negative

White/Red - (see next page)

Brown/Blue - (see next page)

Green/Orange - (see next page)

Brown/White - (see next page)

Green - Left Rear Speaker Positive

Violet - Right Rear Speaker Positive

White - Left Front Speaker Positive

Gray - Right Front Speaker Positive

Green/White - (see next page)

Yellow/Brown - (see next page)

Step 1 -- Match & Connect Wires -- Continued

Wire Color Vehicle/Function Vehicle/Function Vehicle/Function Vehicle/Function
Green/Red 4Runner, Sienna - Rear Tweeters Negative Matrix, Solara Convertible, Tacoma - Sub Coil 2 Negative Sequoia, Solara Coupe - Left Front Tweeter Negative Prius, Tundra - Not Used (tape off)
Dark Blue/Pink 4Runner, Prius, Sienna - Center Speaker Negative Matrix, Solara Convertible, Tacoma - Sub Coil 1 Negative Sequoia, Solara Coupe - Right Front Tweeter Negative Tundra - Not Used (tape off)
White/Red 4Runner - Subwoofer Coil 1 Negative Matrix, Prius, Tundra - Left Front Door Woofer Negative (The White/Black wire is for the Left Front Tweeter Negative) Sienna - Subwoofer Coil 2 Negative Sequoia, Solara, Tacoma - Not Used (tape off)
Brown/Blue 4Runner - Subwoofer Coil 2 Negative Matrix, Prius, Tundra - Right Front Door Woofer Negative (The Gray/Black wire is for the Right Front Tweeter Negative) Sienna - Subwoofer Coil 1 Negative Sequoia - Not Used (tape off)
Green/Orange 4Runner, Sienna - Rear Tweeters Positive Matrix, Solara Convertible, Tacoma - Sub Coil 2 Positive Sequoia, Solara Coupe - Left Front Tweeter Positive Prius, Tundra - Not Used (tape off)
Brown/White 4Runner, Prius, Sienna - Center Speaker Positive Matrix, Solara Convertible, Tacoma - Sub Coil 1 Positive Sequoia, Solara Coupe - Right Front Tweeter Positive Tundra - Not Used (tape off)
Green/White 4Runner - Subwoofer Coil 1 Positive Matrix, Prius, Tundra - Left Front Door Woofer Positive (The White wire is for the Left Front Tweeter Positive) Sienna - Subwoofer Coil 2 Positive Sequoia, Solara, Tacoma - Not Used (tape off)
Yellow/Brown 4Runner - Subwoofer Coil 2 Positive Matrix, Prius, Tundra - Right Front Door Woofer Positive (The Gray wire is for the Right Front Tweeter Positive) Sienna - Subwoofer Coil 1 Positive Sequoia, Solara, Tacoma - Not Used (tape off)

Vehicle Applications and Amplifier Locations

Vehicle Amplifier Location
2003-'06 Toyota 4Runner Passenger's rear side panel
2005-'06 Toyota Matrix Under front passenger's seat
2004-'05 Toyota Prius Under front passenger's seat
2005 Toyota Sequoia Below and behind radio
2004-'06 Toyota Sienna Behind glove box
2004 Toyota Camry Solara Behind glove box
2005-'07 Toyota Tacoma Behind rear seat on passenger's side
2004-'06 Toyota Tundra Behind rear seat on driver's side

Step 2 -- Crimp Connections

Tools & Parts Required: Wire Stripper/Crimp Tool, Crimp Caps

A. Strip wires back 1/2”.

B. Twist wires together and insert in crimp cap.

C. Squeeze middle of cap for tight connection.

Step 2 -- Continued

D. Complete crimp connections for all necessary wires.

E. Be sure to wrap any wires from the Wiring Adaptor that are not necessary (wires with no match from the new receiver) with electrical tape.

[Illustration: Receiver Wiring Adaptor with several wires, one labeled "Unused Wire (tape over bare wires)"]

Step 3 -- Application

When ready to install the receiver, plug the Wiring Adaptor from the new receiver or receiver assembly into the factory radio harness(es) in the vehicle dash.

[Illustration: Generic car dashboard with a car stereo being installed.]

Models: 70-8117, Amp Bypass Harness, 70-8117 Amp Bypass Harness, Bypass Harness, Harness
120708117 Adobe PDF Library 15.0 Adobe InDesign 16.1 (Windows)

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