"Steveo" wrote in message
...
| "Chris" wrote:
| I just installed a CB radio in a 92 Plymouth Grand Voyager. All went
| smoothe except for one thing. There is something in the van causing a
| great deal of noise in the receive on certain channels. It sounds like a
| constant mid-frequency tone. It comes on when the ignition switch is
| turned on but remains on for 15 minutes or so after the switch is turned
| back off. When I listen under the hood, I can hear a faint noise from
| something electronic there. It is the same pitch as what I hear in the
| CB. When that noise quits, the CB noise quits. Could it be the fuel pump
| or injectors? Someone please help me locate the source of this noise. If
| I know what it is, I can deal with it better.
|
| Thanks,
| Chris
|
| Electric fan?

Nope.