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EFV-8 Club Forum / General Ford Discussion / 1939 Ford Wiring Daigram

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Discussion Topic: 1939 Ford Wiring Daigram -- page: 1 2

Frosty

11-18-2017 @ 1:19 PM

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Does anyone have a link to a 1939 Ford 4-door wiring diagram?

11-18-2017 @ 3:00 PM

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Click on this link and select the year you want > http://www.vanpeltsales.com/FH_web/flathead_drawings_electrical.htm

Frosty

11-19-2017 @ 8:34 PM

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Thanks, I've got that sheet, I was looking for a bit more detail for the starting system.

Cheers, Al

TomO

11-20-2017 @ 8:56 AM

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What kind of detail are you looking for?

The battery cable and the main feed for the rest of the car go on the drivers side post on the solenoid, the center contact goes to the starter button, where it supplies ground to pick the solenoid and the passenger side terminal of the solenoid goes to the starter.

Tom

Frosty

11-27-2017 @ 3:36 PM

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First off, this car belongs to a good friend. The car has been in storage for 5 or 6 years. Not sure if it was running previously or not. He acquired it sight unseen.
The motor turns over but will not start. There is no spark at the plugs. The wiring is in poor shape with some insulation missing in places. I wanted a diagram of the ignition system with color coding so I could trace the wiring which has had some wires replaced over the years. tomorrow. I'll take a volt meter over to see what reading I can get at various locations.

TomO

11-27-2017 @ 7:22 PM

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This diagram has the color coded wiring

http://www.vanpeltsales.com/FH_web/FH_images/FH_electrical-pics/Flathead_Electrical_wiring1939std.jpg

You should have battery voltage at the ignition resister terminal with the red with black tracer wire. This is about the middle of the circuit. The voltage at the coil will be around 2-4 v.

The points may have corrosion on them after sitting so long.

Tom

Frosty

11-28-2017 @ 12:28 PM

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Thanks Tom.

Frosty

12-02-2017 @ 2:09 PM

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After checking out the wiring, I found the ignition switch was the culprit. I bypassed the switch and managed to get the engine started.

Thanks for the comments & suggestions.

Frosty

mrtexas

12-02-2017 @ 2:30 PM

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There is not a lot of detail for 39 cars. Wiring is very simple.

TomO

12-03-2017 @ 2:38 PM

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You can remove the ignition switch and clean it, then re-install it.

I like to use a pencil eraser to clean off light corrosion and add a little tension to he switch brush. Put a thin coat of Vaseline on the switch plate to slow down the corrosion.

Tom

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