Chevrolet 1980 Light Duty Truck Service Manual page 225

Fig. 3B4-1 2--Checking Turn Signal Switch Visually
back to center. Do this in both directions. If the lever does
not return to the neutral position, disassemble the upper
part of the column until the switch is visible.
LANE CHANGE
RETURN SPRING
STEERING CO LUM NS
2. Check the return from lane change by holding the
lever in lane change and releasing (both left and right). If
the lever does not return to neutral, disassemble the upper
part of the column.
3. If the hazard warning button cannot be depressed
or released, the switch must be replaced.
Sw itch Visual Inspection
1. With the upper part of the column disassembled so
that the signal switch is visible (Figure 3B4-12) check for
missing springs. Replace any spring that is missing,
inspecting the molded pins which secure them. If these pins
are broken, the switch must be replaced.
2. Check the position of the switch in the bowl. If it
appears cocked or crooked, loosen the securing screws (3)
and visually inspect the switch. If any of the plastic is broken
or badly deformed, the switch must be replaced.
3. If the switch appears undamaged, replace it being
careful to seat the pilot into the housing, tighten the screws
to 25 lbs. in. of torque.
3 B 4 -1 1
L IG H T T R U C K SER V IC E M ANUAL