Receiver Wiring Adaptor
User Manual
120 70-5521
Metra Receiver Wiring Adaptor
IMPORTANT
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 the 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. If your receiver does not have an Illumination wire, tape off the Orange wire.
C. Connect the Black wire to the Ground wire of the new receiver
D. Individually tape off any unused wires.
E. Make final wiring connections following instructions on the next page.
STEP 2 — CRIMP CONNECTIONS
Tools & Parts Required4
| Wire Stripper/Crimp Tool | Crimp Caps |
 |  |
| A. Strip wires back 1/2”. | B. Twist wires together and inserts in crimp cap. |
 |  |
| C. Squeeze middle of cap for tight connection. |  |
D. Complete crimp connections for all necessary wires.
E. Be sure to wrap any wires from the Wiring Adaptor that is not necessary (wires with no match from the new receiver) with electrical tape. 
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.
