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02-11-2017, 09:48 PM | #1 |
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Circuit breakers & terminal blocks
1) I'm rewiring my 56 Fairlane, as the original stuff was really hacked up.
There are supposed to be some circuit breakers, but they are non existent. I have some new ones but have NO idea where they were originally mounted. 2) There are also a couple of terminal blocks for the wire harnesses to plug into. Does anyone know where they were mounted up under the dash? Thanks for any help on this Jim |
02-12-2017, 08:14 AM | #2 |
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Re: Circuit breakers & terminal blocks
The breakers were mounted under the dash near or above the radio.
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02-12-2017, 11:00 AM | #3 |
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Re: Circuit breakers & terminal blocks
Thanks Dobie
I'll try to find those locations today. Maybe something will jump out and become apparent. Jim |
02-12-2017, 11:57 AM | #4 |
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Re: Circuit breakers & terminal blocks
I re wired my 56 Vicky using a REBEL WIRING HARNESS.
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02-12-2017, 11:58 AM | #5 |
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Re: Circuit breakers & terminal blocks
are the blocks at the dash end if not they may be for the headlamp section and mount under hood on inner fenders just a thought
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02-12-2017, 12:23 PM | #6 |
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Re: Circuit breakers & terminal blocks
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02-12-2017, 07:19 PM | #7 |
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Re: Circuit breakers & terminal blocks
I don't recall there being any circuit breakers in the '56 Ford wiring. It has all inline fuses. There are two "push-in" terminal blocks under the dash (for use with the original type "bullet connectors"). One is for the turn signal wiring and it is inline with the wiring near the steering column just under the dash. There is a metal wiring clip in the middle of the brake pedal bracket that holds the wiring to this terminal block. Pull the wire-harness out of that clip and it gives you more room to pull the wiring out and remove the wiring from the terminal block.
The second terminal block is for the rear wiring harness that serves the taillights, backup lights and fuel guage sending unit. It is also not bolted down to anything, just hangs inline with the wire harness. It is near the center of the dashboard close to the firewall insulation pad. Here, you can pull the wire harness down out of a rubber coated metal J-hook bolted onto that bulkhead under the top of the cowl under the dash. That allows you to pull the wire harness down to service the wiring. DO NOT get these two terminal blocks mixed up as they may have a different quantity of double-taps. |
02-12-2017, 07:35 PM | #8 |
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Re: Circuit breakers & terminal blocks
Okay, there were only TWO versions of the Ford wiring harness. One for 6-cyl cars and one for 8-cyl cars. And they were all the same (identical). The terminal blocks used in the '50's Fords are really "junction-blocks" and the ones under the dash don't mount anywhere, they just hang inline. There is a third junction block near the front of the drivers side fender apron under the hood for headlight/parking light wiring. There are no breakers. All overcurrent protection are inline fuses except for the one on the back of the headlight switch for interior light circuit.
Ford had "accessory" wire harnesses for things like electric clock, radio, power seat, power windows, etc that simply plugged into the "Base wiring harness". If a car didn't have those options, the accessory harness (or individual wire) was omitted. |
02-12-2017, 07:48 PM | #9 | |
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Re: Circuit breakers & terminal blocks
Quote:
. I've only got one ('55, not Fairlane) example to go by and it's not all that original anymore but, there are two mounted to a lip under the dash near the left side of the steering column, and another one near the heater box. . Last edited by dmsfrr; 02-12-2017 at 10:24 PM. |
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02-12-2017, 10:29 PM | #10 |
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Re: Circuit breakers & terminal blocks
My 55 Crown has several thermal circuit breakers but they are for power windows and power seat.
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02-12-2017, 11:27 PM | #11 |
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Re: Circuit breakers & terminal blocks
Everyone
Thanks for all the help This car had virtually all the wiring/harnesses in a huge mess: Nothing worked at all. The only terminal/connecting block that was still intact was/is mounted on the driver's side inner fender panel. The other two were gone. I have the factory manual & a very nice wiring diagram showing all connections, etc. What I can't seem to find is where these items: terminal blocks & breakers are to be physically located. These would be for Power Windows & Seat. The other (main Breaker, I suspect) is located within the Main light switch. Fuses were only used for the Clock & something else (Radio, maybe) I'm replacing all the wiring with an original harness, trying to bring the car back, so to speak. I really appreciate everyone's assistance. Every bit of information is helpful. Thanks so much Jim |
02-13-2017, 01:13 AM | #12 |
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Re: Circuit breakers & terminal blocks
Most of the resto parts suppliers who sell the factory duplicate wiring harnesses also sell the two junction blocks that go under the dash. Again, these do not mount anywhere, they just hang inline. the new wire harness you get will plug right into the junction blocks without making any modifications to the wiring terminals.
My '55 has inline fuses for the electric clock, radio and heater blower motor. Can't help with locations of devices for power seat and windows as I've never owned any of those. |
02-18-2017, 06:07 PM | #13 |
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Re: Circuit breakers & terminal blocks
Dave
You've been very helpful & I sincerely appreciate it Thankyou Jim |
02-18-2017, 06:31 PM | #14 |
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Re: Circuit breakers & terminal blocks
IIRC one or two(?) of the junction blocks in the wiring harness at the front of the car have a jumper between some terminals. For things there are two of like headlights and parking lights, with only 1 power wire for them coming from their switches. They should be shown in the wiring diagram for your car.
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02-19-2017, 10:00 AM | #15 |
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Re: Circuit breakers & terminal blocks
My '59 also had fuse holders everywhere under the dash. No circuit breakers and only one relay for the horn. All of that went adios when I rewired the car using a Kwik Wire harness.
Unless you are restoring the car to an original state, I would replace a harness that old just to make the car more reliable. |
02-20-2017, 10:42 PM | #16 | |
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Re: Circuit breakers & terminal blocks
Quote:
dmsfrr referred to "jumpers" but they are actually internal to the junction block and you can see them by turning the junction block and looking at the metal connectors inside the holes of the block. (these are what I referred to in an earlier post as "double-taps"). |
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02-20-2017, 11:37 PM | #17 |
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Re: Circuit breakers & terminal blocks
Yes, Dave
I have all the diagrams, books, etc., and the correct blocks. Just looking for the locations that you have now provided. Thanks Can I ask where the fuse for the heater blower is located on your car? Thanks Jim Bobss396: I have a complete new original harnessmthat I wil install shortly. Thanks Jim |
02-21-2017, 07:25 AM | #18 |
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Re: Circuit breakers & terminal blocks
The heater fuse on the '59 was attached to the heater control. I would look close to there. Nice to use an OEM harness too, with the schematic it should get you what you want. I'm no help on the power window or power seat cars. There may be a separate wiring diagram for that? I've seen separate sections in manuals for just the accessories, like the retractable tops.
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02-21-2017, 05:52 PM | #19 |
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Re: Circuit breakers & terminal blocks
I rewired a car from old Euro fuses to modern ATO type fuses, circuit breakers and relays using automotive electric products from https://www.waytekwire.com/
Circuit breakers are available in ATO form, left image below, and the ATO modules are available in 4,6,8,10 positions, middle image, and for those who aren't into this century, the ATO fuse is on the right, glass AGC barrel fuses now having met their demise. I will be using Weytek when I get to that point in my resurection. Forgot to add that ATO fuses are available with a light in the top so when the fuse element blows, the light comes on, indicating which of the many fuses just blew. Such a fantastic troubleshooting aid! Last edited by Paul Bennett; 02-21-2017 at 05:58 PM. |
02-21-2017, 06:44 PM | #20 | |
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Re: Circuit breakers & terminal blocks
Quote:
photo taken looking straight up from the passenger side foot-well, near the trans hump . Last edited by dmsfrr; 02-22-2017 at 04:50 PM. |
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02-22-2017, 12:31 AM | #21 |
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Re: Circuit breakers & terminal blocks
Thanks Dmsfrr
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02-22-2017, 01:32 AM | #22 | |
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Re: Circuit breakers & terminal blocks
Quote:
The other two wires are the orange and red wires for "Hi" and "Low" motor speeds and they are also separate and not included in the main wire harness. These two wires were also an accessory which came taped together with some small pieces of old style sticky cloth electrical tape. In some cases, when a southern car migrated to a colder climate and the car owner wanted a heater installed, the Ford dealer would order the "accessory" wires and install a heater at the dealership. Now here's something I bet you didn't know. When the dealer was called upon to install a heater in a car, they would often order a F100 pickup truck recirculating air heater and install it in the car rather than install all those intricate components of the "Magic-Aire" heater. It was cheaper and less time consuming to install. |
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02-22-2017, 04:18 PM | #23 | |
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Re: Circuit breakers & terminal blocks
Quote:
. Last edited by dmsfrr; 02-22-2017 at 04:28 PM. |
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02-22-2017, 11:16 PM | #24 |
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Re: Circuit breakers & terminal blocks
Thanks Guys
All info is really appreciated Jim |
02-24-2017, 03:30 PM | #25 |
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Re: Circuit breakers & terminal blocks
Jim,
These are the power window circuit breakers. The two on the kick panel are actually are on the ground circuit. The two in the center of the firewall are for the front windows. Crown 011.jpg Crown 014.jpg Crown 008.jpg Crown 009.jpg[ATTACH] If this is clear, let me know. Ben |
02-24-2017, 06:30 PM | #26 |
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Re: Circuit breakers & terminal blocks
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Very helpful Appreciate you taking the time to take a few pictures. Thanks again Jim |
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