GMRC-04
3
Installing the GMRC-04
Note:
If the chime volume of the GMRC-04 is too loud you will need to remove the cover and
cut the solder connection where the arrow points to on the circuit board (between the holes
on the board).
Cut for low volume
• With all connections completed to the aftermarket radio, plug the 32-
pin harness into the vehicles wiring harness.
• Cycle the key by turning the ignition on for 30 seconds. Then off and
on again to test the radio.
• Mount the GMRC-04 in a location where the internal speaker will be
heard.
