Wis. Admin. Code Trans 305.08
Back-up lamp
Cite as Wis. Admin. Code Trans § 305.08
Back-up lamp.
(1) Every motor vehicle originally manufactured after January 1, 1969, shall be equipped with back-up lamps in proper working condition and in conformity with this section and s. 347.26 (4) , Stats.
(2) The back-up lamp wiring and connections shall be maintained in good condition.
(3) Back-up lamps may be activated by a switch on the transmission system so the lamps can be lighted only when the transmission is in reverse gear or may be manually turned on by a switch in the driver’s compartment providing there is an indicator light plainly visible to the vehicle driver indicating when the back-up lamps are on.