There's a RENAULT Mascott Truck Electrical Service Manual PDF above the page.
The Renault Mascott truck, produced in France from 1999 to 2010, was a heavy version of the second-generation Master commercial model.
The mass of the truck was 3.5-6.5 tons. The car had a rear-wheel drive and was equipped with a 2.8 diesel engine, as well as a Nissan 3.0 dCi engine in combination with a manual gearbox.