AM Radio Interference in car
AM Radio Interference in car
(OP)
Hello,
I like to listen to AM Radio in my car (Skoda 1998). Every time the motor runs it interferes with an ugly noise in the loudspeaker. An interim seperate supply of the radio lowered the noise level by approx. 50%. So I guess the rest is introduced by antenna pick-up. An LC-low pass filter inserted in the car-battery-supply to the radio has almost no effect. Has anyone a tip/idea?
Rolf
I like to listen to AM Radio in my car (Skoda 1998). Every time the motor runs it interferes with an ugly noise in the loudspeaker. An interim seperate supply of the radio lowered the noise level by approx. 50%. So I guess the rest is introduced by antenna pick-up. An LC-low pass filter inserted in the car-battery-supply to the radio has almost no effect. Has anyone a tip/idea?
Rolf





RE: AM Radio Interference in car
If you listen to the noise, you should be able to hear if it is sparkplug (popping), alternator (whine), whatever...
If it is the sparkplugs, then make sure that you have the appropriate resistive spark plug cables. It is quite common for people to fit non-resistive cables.
RE: AM Radio Interference in car
Replace wire HT leads with resistive leads.
Replace resistive leads with new ones.
Replace the spark plugs.
Move the antenna to the other end of the vehicle.
RE: AM Radio Interference in car
Kevin.