Ram 38 Gas / Diesel Engine Sound System

You can choose gas or diesel sound
Adjustable horn
Can be used with cars, trucks, or boats
Sound is synchronized with actual speed of vehicle

One 4" speaker
One control unit
One servo activated micro switch
One circuit board

There is 12" of wire between the speaker and the circuit board. From
the circuit board there are three series of wires. One set goes to
power source(12"), one set leads to the servo activated micro
switch (11"). The final set lead to the control unit(aka sensor
board) from which an additional set of wires attach to motor(24").