Silverado plug wires

Tiny
STEVE82
  • CHEVROLET SILVERADO

Hey everyone,
I have a 2003 Chevy Silverado 1500 and surrounding the boots of the plug wires are metallic sheaths and I was wondering what purpose do they serve? Is this common on newer makes and models?
Thanks!

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Sunday, June 4th, 2006 AT 9:30 PM

1 Reply

Tiny
DELMARH51
  • MEMBER

I believe the metal covers are to prevent radio noise they are shields that keep the spark plug pulses from coming thru your radio.

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Wednesday, June 7th, 2006 AT 5:36 PM

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