4-22. CONVOY WARNING LIGHT WIRING MAINTENANCE (Con't).
b. INSTALLATION OF TOGGLE SWITCH
When performing electrical maintenance, ALWAYS disconnect inter-
vehicular electrical cable from semitrailer. Failure to follow this warning
may create a spark and explosion, resulting in serious injury or death to
Ensure that all connections are made to clean, uncorroded surfaces. Coat
all wire connections with corrosion preventive compound before they are
Connect two terminals (2) to toggle switch (3) inside light box (1), as marked, with two
Install toggle switch (3) to light box (1) with nut. Install rubber boot over toggle switch.
Install stop/taillight (4) to light box (1) with four screws (see paragraph 4-20).