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73-87 Chevy _ GMC Trucks => Engine/Drivetrain => Topic started by: 84GMCSierra on February 26, 2023, 07:28:05 AM

Title: Spark Plug wiring diagram 84 GMC Sierra, 350/TH400
Post by: 84GMCSierra on February 26, 2023, 07:28:05 AM

Hello all. I am looking for a plug wire routing diagram for my 84 GMC Sierra, with a 350/TH400. It has the stock manifolds, but my wires now are draped everywhere. I understand they are supposed to go under/behind the manifolds? Does anyone have clear pictures, or diagram of how they are supposed to be routed, including any brackets etc.? It would be greatly appreciated.
Thanks

Title: Re: Spark Plug wiring diagram 84 GMC Sierra, 350/TH400
Post by: VileZambonie on February 26, 2023, 08:47:11 AM

See attached

Title: Re: Spark Plug wiring diagram 84 GMC Sierra, 350/TH400
Post by: 84GMCSierra on February 26, 2023, 12:19:49 PM

Thanks so much. Hopefully I can now get my wires straightened out, lol