The referenced opening in our 300K is fairly large and rectangular—maybe 1 ½” x 2 ½”. I assume most of our cars of the ‘50’s & ‘60’s are similar. All edges of the hole are nicely rolled/lipped to prevent cutting damage. Six, or so, wires are wrapped together and pass through the hole to power headlights, horns, turn signals and parking/turn signal lights. The hole is necessarily large enough to allow the parking light and headlight sockets to pass through during assembly/repair. At each side, pairs of unwrapped lights drop down through round holes in the pan to power turn signal and park lights. These holes are also rolled/lipped. Underhood wiring is quite well stabilized with various clips and supports to prevent motion at Mach K. Not much of an issue IMHO
Concern about underhood wiring might better be focused on the bulkhead connector. Arsonist of many past and future underhood fires. Pull the two eight-pin socket connectors off of the bulkhead connector and inspect for dirt, grease, heat damage, corrosion or all of above If found, clean and polish all brass contacts. Don’t ask me how. Pay special attention to the largest two wires-one red, one black-both #12 and feeding most electric load for the car. While using the same little brass spade connectors as a parking light bulb. Worthy of a recall.
Rich Barber
Brentwood, CA
From: chrysler-300-club-international@xxxxxxxxxxxxxxxx <chrysler-300-club-international@xxxxxxxxxxxxxxxx> On Behalf Of John Grady
Sent: Saturday, April 27, 2024 10:29 AM
To: Matt Allyn <allynentertainment@xxxxxxxxx>
Cc: Chrysler 300 List Server (chrysler-300-club-international@xxxxxxxxxxxxxxxx) <chrysler-300-club-international@xxxxxxxxxxxxxxxx>
Subject: Re: {Chrysler 300} 1962 - Wiring Thru Core Support
Hi , A company called Waytek is very good at all kinds of harness and wire supplies .
I thought there was some kind of grommet there ? look at Goers list?
There is also that generic nylon snap on U shaped edge trim to protect wires . I have also used small diameter rubber hose like 300 windshield washer hose , slit length wise and glued with weatherstrip cement . Done carefully this looks good .
Yes wires need protection at sheet metal edges , more than tape imho .
Waytek has harness wrap which is not sticky like electrical tape ( best of those is scotch 33 , but looks wrong ) —- cheap chinerse electrical nose makes a gooey mess. .
There is always old fashioned electrical friction tape , maybe on line . You will need to wrap the ends of the harness tape with 33 to keep it tight …
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