1. Make sure the ignition is turned to the "off" position.
2. Disconnect both of the harnesses from the CHTO-013.
3. Locate the potentiometer next to the 16-pin connector at the end of the CHTO-013.
4. Taking a small flat headed screwdriver, turn the potentiometer counter-clockwise to lower
the input level going to the factory amplifier.
5. After making the adjustment reconnect the wire harnesses.
CHTO-013
Audio Level Control
Potentiometer Audio
POTENTIOMETER
Level Adjustment
AUDIO LEVEL
ADJUSTMENT
5