(a) A provision of this chapter that requires a vehicle to be equipped with fixed electric lights does not apply to a farm trailer or fertilizer trailer registered under Section 502.146 or a boat trailer with a gross weight of 3,000 pounds or less if the trailer is not operated at a time or under a condition specified by Section 547.302(a).
(b) Except for Sections 547.323 and 547.324, a provision of this chapter that requires a vehicle to be equipped with fixed electric lights does not apply to a boat trailer with a gross weight of less than 4,500 pounds if the trailer is not operated at a time or under a condition specified by Section 547.302(a).
(c) Except for Sections 547.323 and 547.324, a provision of this chapter that requires a vehicle to be equipped with lamps, reflectors, and lighting equipment does not apply to a mobile home if the mobile home:
(1) is moved under a permit issued by the Texas Department of Motor Vehicles under Subchapter D, Chapter 623; and
(2) is not moved at a time or under a condition specified by Section 547.302(a).
(d) A mobile home lighted as provided by this section may be moved only during daytime.