Anyone know how to suppress the whine I'm getting through my radio? The head unit is new and so is the buzz. Higher revs means louder buzz. Is there a suppressor missing from my engine bay?
Mpi Radio Interference From Alternator
Started by
toplessmini
, Sep 18 2019 08:26 PM
2 replies to this topic
#1
Posted 18 September 2019 - 08:26 PM
#2
Posted 18 September 2019 - 08:34 PM
Think they have speciall spark plugs with resistors
#3
Posted 18 September 2019 - 09:37 PM
Make sure the head unit is earthed properly and that the speakers wires aren't running close to the main battery cable. Check the engine earthing strap too.
If it still persists a capacitor can be added to the alternator output to suppress alternator whine. You could pick them up at Halfords at one time, don't know if they still do them.
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