Re: General Wiring Question

Ask and ye shall receive. You folks always have great answers. To follow up on several previous emails. Yes, my car is a 1964 Barracuda. The placemat size diagram I purchased is large, in color and laminated. It is essentially a re-draw from the service manual. It is nice except . . . it is missing the wire size table. I did finally find it in my service manual. Matches Bill's list below exactly. Of course Bill's list is much easier to read.

I wasn't looking for shrink tubing. I have a bunch of that stuff and use it often to cover soldered joint. My wiring harness has some sections wrapped in tape and some covered in braided wrap. Tape wrapping seems to be used in the engine compartment while the braided wrap is used in areas with no heat. I think I will pick up a little of each and do a little testing. I'll let you know how it works out.

Hey, if anyone is interested, I write a Mopar related blog about my car and other Mopar miscellany. Use the archive twisties on the right-hand side of the page to navigate to the early posts. It makes more sense to read it in chronological order. Lots of pictures so it goes fast. http://moparmotorhead.blogspot.com/

Vic

From: Bill Watson <chrycoman@xxxxxxxxx>
To: 1962to1965mopars@xxxxxxxxxxxxxxxx
Sent: Saturday, October 20, 2012 4:29 PM
Subject: Re: General Wiring Question

For the rear trunk wiring :

18-gauge, black - tail lamps and license lamps
18-gauge, brown - right turn / stop signal lamp to body connector
18-gauge, dark green - left turn / stop signal lamp to body connector
18-gauge, white - back up lamps to body connector
18-gauge, light blue - fuel gauge, tank sending unit to body connector
18-gauge, pink - trunk lamp (power) to body connector
18-gauge, yellow - trunk lamp (ground) to ground

The trunk lamp is optional, so you may not have one. Note that the
sockets for the rear turn / tail / stop lamps have two filaments and
thus two wires leading in - one for tail and the other for stop /
turn.

Interior wiring :

18 gauge, pink - dome lamp (power) to body connector
18 gauge, yellow - dome lamp (ground) to body connector
18 gauge, pink - map or panel lamp (power) (optional)
18 gauge, yellow - map lamp or panel lamp (ground) (optional)
18 gauge. yellow - automatic switches - left and right doors
18 gauge, black - rear window defroster (optional)

Under hood wiring -

18 gauge, yellow - left parking lamp to right parking lamp
18 gauge., yellow with tracer (or yellow) left parking lamp to
bulkhead connector
18 gauge, tan - right turn signal lamp to bulkhead connector
18 gauge, dark green - left turn signal lamp to bulkhead connector

16 gauge, white - headlamp to ground
16 gauge, black with tracer - left low beam headlamp (power) to right
low beam headlamp (power)
16 gauge, black - low beam headlamp (power) (outer lamps only on 4
lamp system) to bulkhead connector
16 gauge, red - high beam headlamp (power) to high beam headlamp (power)
16 gauge, red - high beam headlamp (power) to bulkhead connector

16 gauge, dark green - horn relay (H) to horn relay(s)
18 gauge, black - horn relay (G) to bulkhead connector
16 gauge, violet - horn relay (B) to starter relay (B)

12 gauge, red - starter relay (B) to starter (BATT)
12 gauge, red - starter relay (B) to bulkhead connector
12 gauge, brown - starter relay (SOL) to starter (SOL)
12 gauge, yellow - starter relay (ST) to bulkhead connector
16 gauge, brown - starter relay (G) to neutral safety switch (automatic)

18 gauge, violet - temperature gauge sending unit to bulkhead connector
18 gauge, grey - oil pressure sending unit to bulkhead connector

18 gauge, dark blue - ballast resistor (B) to ignition coil (+)
18 gauge. brown - ballast resistor (B) to bulkhead connector (to START
on ignition switch)

16 gauge, dark blue - ballast resistor (A) to bulkhead connector (to
ON on ignition switch)
16 gauge, dark blue - ballast resistor (A) to BATT on voltage regulator

18 gauge, dark green - FLD on alternator to FLD on voltage regulator
12 gauge, black - BATT on alternator to bulkhead connector

The factory wrap on the car's wiring was plain black electrical wiring
tape. Nothing fancy. Just note the way they ended the wrap and also
where wires came off the wrapping before the end.

Bill
Toronto, ON

On Sat, Oct 20, 2012 at 4:30 AM, Ruth Gordon <kpmvn4wrd@xxxxxxxxx> wrote:
>
>
> I agree - tape as it seals it from the elements better than any open weave wrap. Hopefully you can get the factory book legend on the wiring diagram to use which gives the gauges of each wire. Ruth
> On Fri, Oct 19, 2012 at 7:52 PM, Herb <zephyr9900@xxxxxxxxxxx> wrote:
>>
>> NOOOOOO! Tape.
>>
>>
>>
>>
>> -------Original Message-------
>>
>> From: Doug
>> Date: 10/19/2012 8:20:18 PM
>> To: 1962to1965mopars@xxxxxxxxxxxxxxxx
>> Subject: Re: General Wiring Question
>>
>> heat shrink
>>
>>
>> From: "Dodger7998@xxxxxxx" <Dodger7998@xxxxxxx>
>> To: 1962to1965mopars@xxxxxxxxxxxxxxxx
>> Sent: Friday, October 19, 2012 4:58 PM
>> Subject: Re: General Wiring Question
>>
>> still not sure what kind of car your working on, on a 63 plymouth most of the wires your talking about are 18 gauge
>> most wire looms are wrapped with tape from the factory, and not some sort of slip over cover
>>
>> In a message dated 10/19/2012 3:15:30 P.M. Central Daylight Time, book33bug@xxxxxxxxx writes:
>> Maybe wire wrap is the wrong term. This is the black braided hose like material that encompasses several wires usually ending just before a light socket or plug. I've seem it in rolls but it comes in different diameters.
>>
>> So the first section of wiring I want to tackle is the wiring from the truck up to a plug under the dash. This includes tail lights, license plate light and maybe gas level indicator switch.
>>
>> From: "Dodger7998@xxxxxxx" <Dodger7998@xxxxxxx>
>> To: 1962to1965mopars@xxxxxxxxxxxxxxxx
>> Sent: Friday, October 19, 2012 11:33 AM
>> Subject: Re: General Wiring Question
>>
>> Have to guess on what you working,(car) but stock wire wrap does not come in sizes, it comes on a roll,,,,,,,, if your diagram does not have the wire size on it, please tell us what your working on, and someone can give a recommendation as to size
>>
>> In a message dated 10/19/2012 7:18:43 A.M. Central Daylight Time, book33bug@xxxxxxxxx writes:
>> Now, I have a wiring question (or two). I don't particularly want to buy a new wiring harness for my car but I do have a bunch of wires I would like to replace. I have a nice colored wiring diagram but it does not indicate the gauge size of the wires. How do you determine the wire size? Is all the wiring the same size?
>>
>> I see that the stock braided wire wrap used on the factory harness is starting to crumble. Stock-like material is available from several sources including Year One but comes in many different diameters. Does anyone have experience replacing wire wrap on their cars?
>>
>> Thanks,
>>
>> Vic
>> --
>>

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