Help, Marchal fog light wiring diagram or pics

There were only 619 XR7-Gs built. They were built along side the Shelby Mustang, and were available with every engine and transmission offered in 1968, (except the 427). This was the first Cougar to be a part of the Hertz Rent a Racer program. If you have any information about these rare cats, this is the place to share. The XR7-G registry is maintained by Royce Peterson.
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1eracer
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Help, Marchal fog light wiring diagram or pics

#1

Post by 1eracer » 21 May 2018, 03:00

I am trying to find details on correct wiring for the Marchal 653`s Their is nothing about them in the assembly manual. I have the original lights that have two wires for each lamp. One of the lights has the ground wire cut off about a third of the way ? I did find a wire harness on the drivers side, but I need to trace it out first. Also, I am not sure where the ground terminal eyelets are to be attached. The mysteries of G`s, Eric

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propayne
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Re: Help, Marchal fog light wiring diagram or pics

#2

Post by propayne » 21 May 2018, 05:17

Hey Eric - you probably already have this and it shows Lucas lights, but just in case....

G's certainly are mysterious, I would whole heartedly agree with that!

Phillip
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fordnutz
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Re: Help, Marchal fog light wiring diagram or pics

#3

Post by fordnutz » 21 May 2018, 09:05

They certainly would not have been wired the same way today, but remember these were a special edition model that had all sorts of different goodies that were not installed during regular production so can be somewhat different car to car. Also remember that they have had 50 years of life with various previous owners/mechanics with their own ideas of how things should be repaired.
fog lamp wiring.pdf
fog power feed to circuit breaker.pdf
IM000420.jpg
IM000421.jpg
Marchal fog light.pdf
I hope this is helpful to you.
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BossElim69
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Re: Help, Marchal fog light wiring diagram or pics

#4

Post by BossElim69 » 21 May 2018, 10:06

They certainly would not have been wired the same way today.

Agreed^ they took what could have been a simple circuit and made it as troublesome as they possible could :wall: Usually you will find most of the problems are in the flat junction box that have the short wires going to the switch or the switch itself. it's almost as much fun as trying to keep the original clock working.
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fordnutz
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Re: Help, Marchal fog light wiring diagram or pics

#5

Post by fordnutz » 21 May 2018, 10:51

I don’t know how many sunroof and fog light switches I have rebuilt. I was even able to find a NOS one for a Lincoln that I converted to work in the G.
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1eracer
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Re: Help, Marchal fog light wiring diagram or pics

#6

Post by 1eracer » 21 May 2018, 23:47

Well, I have never seen the Lucas electrical diagram before ( way cool ). And thank you for the pictures too. It gives me some insight for the connections. Interesting how the same cars can be of different variations. Also, I had to get extra switches for the fog lights and sun roof. As my switches had been gummed up. Purrrrfect, Eric

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Re: Help, Marchal fog light wiring diagram or pics

#7

Post by fordnutz » 22 May 2018, 07:06

Glad to help.
Thanks, Scott Ferguson
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Visit the Fordnutz Cougar Club on the web http://www.fordnutz.org
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