I found a wiring diagram from a Daeuville in a pile of DT papers , it's on a very big paper.40x50"
Next week somebody try to copy this on a PDF format.

I think you can use this also on the Longchamp, but my experiance say that the colors of the wiring are chanced in the past.

If you want I send you a copy please send me a message by;
simonvels@kpnmail.nl

Simon
Hi All,
I am in need of help with my '74 Longchamp under dash wiring mess and I just found this post, would you be able to email me what you have for same and/or the Deauville, also its probably been asked a thousand times but does anyone have access to a factory shop manual ?, thanks rgds Geoff (E: geoff@acrindustries.com.au)
sorry, I can tell you that there is no wiring diagram for anything after 1970s. I have been through stacks of diagrams and notes, and nothing useful was found. Marcello passed a couple of years ago, and he was the wiring guy. He did almost all of it by memory, and there was a wire board but it did not make it out of the factory.
quote:
Originally posted by Wellis:
sorry, I can tell you that there is no wiring diagram for anything after 1970s. I have been through stacks of diagrams and notes, and nothing useful was found. Marcello passed a couple of years ago, and he was the wiring guy. He did almost all of it by memory, and there was a wire board but it did not make it out of the factory.


I have a wiring diagram from Pantera and Deauville .


the way of thinking on those diagrams is the same because most of DT cars use the same gauges.
only there is a difference between the turn indicator/wiper switch from Longchamps.
Also a difference between the very last build Longchamps, the lights,feulpumps, tankdoors are operated by a pushbutton Maseratie combined switch .
And going treu the build dates they use different colors wiring.

Simon
You are correct, and remember that all the "push button" systems came from Maserati suppliers, and so the wiring would be completely different than the switch based Longchamps. I can recall shells being shipped to the other side of Modena, when things were quiet on the Quattroporte assembly lines. So they would have different colors too. Also, many people brought their cars back to have them modified in the factory, so wiring would have been what ever was on the table. Don't even get me started on the Amerasport conversions. Seatbelt lights and Air pumps.
Hand made cars are just that, hand made.
I just bought a 1984 Longchamp in Belgium and I'm also in search for a electrical wiring diagram of the Longchamp. The instrument lights are not working, and the fault is consistent (applies to all instruments).

I also have the Maserati "push button" configuration but hope the fuse box layout is similar with the earlier models (a good start diagnosing the problem). Any wiring diagram from Longchamp or Deauville would be of big help and greatly appreciated.

My email address is: robert.rodsten@gmail.com

Best regards,
Robert

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