
Note:  Not all Toyota pickups have factory installed rear speaker wiring  
harnesses.  If present, it will be taped to the power/front speaker 
harness.
Receiver Wiring Adaptor
120 70-1761
Revision 07/10/17
Connect wires below to the matching function of each wire on your receiver (refer to instructions supplied with receiver).
IMPORTANT:  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.
Make final wiring connections following instructions on the next page.
STEP 1 -- CONNECT WIRES
Individually tape off any unused wires.
White - Left Front Speaker Positive
Violet/Black - Right Rear Speaker Negative
Red - 12 Volts Switched Power
Violet - Right Rear Speaker Positive
Green - Left Rear Speaker Positive
Yellow - 12 Volts Constant Power
Gray/Black - Right Front Speaker Negative
Green/Black - Left Rear Speaker Negative
White/Black - Left Front Speaker Negative
Orange/White - Illumination
Black - Chassis Ground
Blue - Power Antenna
*120701761*
Gray - Right Front Speaker Positive 
Note:  If the adaptor harness does not match the vehicle radio harness, the matching plug may be 
found below the factory radio at the amplifier.  The amp must be bypassed by unplugging the  
matching plug from the factory amp and plugging it into the adaptor harness.
If your receiver does not have an illumination  
wire, tape off the Orange/White wire.
Note:  In 1998-2000 Lexus GS vehicles, these harnesses connect at the 
amplifier location behind the passenger's side kickpanel.  The 12 Volts 
Constant power, chassis ground and speaker wires must be lengthened in 
order to reach the kickpanel area.  The power antenna and 12 Volts Switched 
power leads must be spliced at the radio location.
Copyright 2017  Crutchfield Corporation
Before starting, compare items on your invoice with items 
received.  Carefully check through packaging material.  If an 
item is missing, please call 
Crutchfield at 1-888-955-6000.
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