S10/T10 Blazer 4WD V6-262 4.3L (1989)
FIGURE 2
4.
Install plastic vacuum line on the water valve fitting and add a 3/32 rubber sleeve for coupling. See Figure 1. Route vacuum line with the antenna
cable to the grommet into the dash area. See Figure 2.
5.
Punch a hole in the grommet with a pick, being careful not to puncture the antenna cable.