I put a Sirius radio in the '56 and it has some serious noise, I assume from the alternator but may be the HEI. I had this problem on the Goldwing and there was a plug and play fix for it. Seems like it had something to do with ground.

I need a fix for the '56.


"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.