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06-22-2021, 06:23 PM | #1 |
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Join Date: Sep 2020
Location: Hooper, Utah
Posts: 79
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47 Pickup Cowl Harness Question
Good afternoon,
The Green Book calls out 2 part numbers for the cowl harness for 47 V8 pickups. 51C-14401A is for years 44-47 and 51C-14401C is for 47 only. Does anyone know what the differences between them are? Might it have something to do with the ignition and headlight breakers being on the instrument panel rather than on the firewall? The one I'm working on now is different than my other 2 (and my 1940 tonner as well) in that the harness goes through the firewall right by the drivers side cowl edge rather than on the passenger side of the voltage regulator and the instrument panel has the breakers on it which of course makes those wires extend much further up the harness into the cab. Also, the serial number of this truck, 1888215, is later than my other 47 V8 which is configured much like my 40 is. Is my theory correct? Thanks for the help. |
06-22-2021, 10:58 PM | #2 |
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Join Date: Dec 2012
Location: Spokane Valley, WA
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Re: 47 Pickup Cowl Harness Question
I might be able to help with some info on this.....Rick 425 766 7408
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06-22-2021, 11:45 PM | #3 |
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Re: 47 Pickup Cowl Harness Question
And I am definately following this even though I can't answer your question. Jailbar junkie/ tonner to the max... (think Mad Max). Can you post some photos of these trucks please?
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Owner/Operator of 'Jailbar Ranch' on the side of Mt. Pickett. Current stable consists of 1946 1/2 ton pickup turned woodie wagon with FH V8, 1947 Tonner Pickup (red) mostly stock with exception of a cummins 6at turbo diesel, 1946 Tonner Pickup (green) with 226 cu in 6 cyl flathead, 1979 Toyota landcruiser wagon, completely encased in 1947 Ford Jailbar sheet metal. Ok, cornbinder rear fenders..... 'Rusty ol' floorboards, hot on their feet' (Alan Jackson) |
06-23-2021, 05:27 PM | #4 | |
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Join Date: Sep 2020
Location: Hooper, Utah
Posts: 79
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Re: 47 Pickup Cowl Harness Question
Quote:
Pics attached. First row: First pic shows the firewall wiring of 47-odd. Second pic shows the cowl harness entering the cab just above the emergency brake of 47-odd. Third pic shows the ignition resistor and light breakers on the instrument panel of 47-odd. Second row: First pic is a side view of instrument panel on 47-odd. Second pic shows the cowl harness path on 47-typical that represents what I am used to seeing. Also, the speedometer on 47-odd is a Waltham. The speedometers on my other 47s are King Seeley (without resistor and breakers mounted). Coincidence? Thanks. |
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06-23-2021, 09:12 PM | #5 |
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Re: 47 Pickup Cowl Harness Question
You might get in touch with Tyree Harris. He does wiring harness for Fords. 804-556-5200. He lives in Virginia. I got a harness for my 45 jailbar from him.
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1924 Model T Coupe 1928 Model A Roadster 1930 Model A Town Sedan 1939 Deluxe Fordor 1945 pickup 1951 Custom convertible |
06-23-2021, 10:33 PM | #6 |
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Join Date: Dec 2012
Location: Spokane Valley, WA
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Re: 47 Pickup Cowl Harness Question
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06-25-2021, 03:27 PM | #7 |
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Join Date: Sep 2020
Location: Hooper, Utah
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Re: 47 Pickup Cowl Harness Question
Thanks Rick. I've already bought a new "normal" harness for it, before I started tearing into it. I can save that one for my other 47 I guess. I will probably leave it like it is and maybe see if Tyree would make a new harness using the current one as a pattern. I'll keep trying to figure out why it is configured this way, just because I like a good goose chase when it comes to old Ford trucks.
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06-25-2021, 10:24 PM | #8 |
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Join Date: Dec 2012
Location: Spokane Valley, WA
Posts: 92
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Re: 47 Pickup Cowl Harness Question
6 months ago when i was facing the same issue i found a small % of 46 & 47 Conventional trucks that had the wire harness entry in this location. Still dont know why Henry did that, i felt a "Normal" harness would not have the fit/length that i would need plus i felt a "Normal" was not manufactured with that location in mind. I am happy i moved it, make sure you have acceptable wire length.....Good luck!
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09-14-2021, 10:39 PM | #9 |
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Join Date: Sep 2020
Location: Hooper, Utah
Posts: 79
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Re: 47 Pickup Cowl Harness Question
I think I may have figured out what is going on with the wire harness on this truck. I believe that it was factory built with a 1948 V8 pickup cowl wire harness, 8RC-14401. What I am lacking is a complete wire harness schematic for the 8RC-14401. I am not able to decipher the precise makeup of the coiled-up harness pictures I have seen for sale in various places. Does anyone know where I can find a good schematic for the 8RC-14401?
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09-15-2021, 03:18 PM | #10 |
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Join Date: May 2010
Location: Chester Vt
Posts: 8,860
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Re: 47 Pickup Cowl Harness Question
I had same situation. there are 2 cowl wiring harnesses for '47 pickup, early and late. the correct one I bought from Sacramento vintage Ford, part #05944-6, their part#. Works perfect, hooks up to dimmer switch, headlight switch and gauges. I spoke with Ron @ Sacramento Vintage. I also thought about the 8RC , (lot more wire and dash panel between years are different I believe) before I found the correct one. Also bought main light harness(06050-10),headlamp sockets(06089-3). the wiring diagram is on Van Pelts for 48-49 ford trucks. Very similar to the late '47's. my serial # is 799c2025xxx.
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09-15-2021, 05:30 PM | #11 | |
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Location: Hooper, Utah
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Re: 47 Pickup Cowl Harness Question
Quote:
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09-15-2021, 10:15 PM | #12 |
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Location: Chester Vt
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Re: 47 Pickup Cowl Harness Question
I'd like to take credit for this information, but My friend Allen, who is restoring a 47 PU furnished it.
Nice to have smart friends,"Gramos. |
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