3
131 EISENHOWER LANE NORTH
LOMBARD, ILLINOIS 60148
630-268-0010 / 1-800-251-2408
MONOPLEX SPEAKER SWITCH
INTELLITEC
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 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 AMP Mate-N-Lok
Pin
Function
1
Radio Lt -
2
Speaker Lt -
3
Radio Rt -
4
Speaker Rt -
5
Speaker Lt +
6
Radio Lt +
7
Speaker Rt +
8
Radio Rt +
J1 - 5 pin AMP Mate-N-Lok
Pin
Function
1
Back Light/Power Input
2
+12 volt input
3
Amp power
4
MPX Switch bus
5
Ground
J3 - 2 pin AMP Mate-N-Lok
Pin
Function
1
TV Ground
2
TV Sound
