Who sells 1989 TBI wire harness parts??

[1989 R3500]

I would like to replace the burnt, broken and brittle wire plugs and nozzle connectors. Does anyone sell them?

I looked all over online. Maybe I'm not searching the right parts?
Mine is a 1989 454.

Any help is appreciated.

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[Coal creek Chris]

Some of these connectors are available on Rock Auto under the "Electrical Connector" menu. But these are just the connectors plus short sections of wire, not the entire wiring harness.