GMOS-04
TOUBLESHOOTING:Chime Too Loud/Soft:
There are some instances where the chime is too loud or too soft.
To resolve this follow these steps:
1. Make sure the ignition is turned to the “off”position.
2. Disconnect the 14 pin and 16 pin wire harnesses from the GMOS-04
3. Open up the GMOS-04 by squeezing the sides of the top cover
4. Locate the potentiometer facing up on the circuit board, this is the
Chime potentiometer
5. Taking a small flat headed screwdriver,turn the potentiometer clockwise
to decrease the chime level; turning the potentiometer counterclockwise
will increase the chime level
6. After adjustment replace top cover of GMOS-04 and reconnect
wire harnesses
Distorted Audio Output:
When using the GMOS-04 with a radio that has a high pre-out voltage,
usually greater than 2 volts, the audio signal may become distorted.
To resolve this follow these steps:
1. Make sure the ignition is turned to the “off”position
2. Disconnect the 14 pin and 16 pin wire harnesses from the GMOS-04
3. Open up the GMOS-04 by squeezing the sides of the top cover
4. Locate the potentiometer next to the 10 pin board mounted connector
located at the end of the GMOS-04
5. Taking a small flat headed screwdriver,turn the potentiometer counter-
clockwise to lower the input level going to the factory amplifier
6. After adjustment replace top cover of GMOS-04 and reconnect wire
harnesses.