3
PLUGS - PINS & FUNCTIONS
Problem
No radio sound from rear speakers.
TV sound won’t come from speakers.
Won’t switch functions.
One channel not working.
TROUBLE SHOOTING
Possible
Cause/Solution
Check for +12 volts coming to J1 - 1. If missing,
check fuse F10 on Master.
Check for power at amplifier. If missing, check
fuse supplying amplifier.
Check for radio fader settings. Set to middle of
range.
Check power signal at J1- 5. Should be +12 volts.
If not, check for shorted wire.
Check for +12 volts on J1 - 2. If missing, check
wiring.
TV sound not coming into J3. Check for sound
signal at J3.
Check voltage on Speaker Switch, J1 - 4. Should
be +12 volts, no button pressed, 0 volts with a
button pressed.
Unplug J2. Check for continuity between corre-
sponding inputs and outputs. If open, replace
module.
J2 - 9 pin
Pin Function
1 Left Speaker -
2 Left Radio -
3 Left Speaker +
4 Left Radio +
5 Right Speaker +
6 Right Speaker -
7Key
8 Right Radio +
9 Right Radio -
J1 - 6 pin
Pin Function
1 Power Input
2 TV Power Input
3Key
4 Speaker Switch
5 Amplifier Power
6 Ground
J3 - 3 pin
Pin Function
1Key
2 TV Ground
3 TV Sound
www.intellitec.com
1485 Jacobs Rd.
Deland, FL 32724
386.738.7307
INTELLITEC
Monoplex Speaker Switch
53-00348-100 REV. B 032519