FIG. 1 is a front perspective view of a boat trailer guide post light mounting bracket, showing my new design in condition of use on a right side guide post;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a left side elevational view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a front elevational view of a boat trailer guide post light mounting bracket, showing my new design for use on a left side guide post;
FIG. 9 is a left side elevational view thereof;
FIG. 10 is a top plan view thereof;
FIG. 11 is a rear elevational view thereof;
FIG. 12 is a right side elevational view thereof; and,
FIG. 13 is a bottom plan view thereof.
The broken line showing of a guide post and a light in FIG. 1 illustrate environmental structure and forms no part of the claimed design.