The provisions of this act shall apply to all persons, manufacturers, representatives, distributors and dealers and to all written or oral agreements between a manufacturer, distributor or representative with a motor vehicle dealer including, but not limited to, the franchise offering, the franchise agreement, sales of goods, services or advertising, leases or mortgages of real or personal property, promises to pay, security interest, pledges, insurance contracts, advertising contracts, construction or installation contracts, servicing contracts and all other such agreements in which the manufacturer, distributor or representative has any direct or indirect interest.