Firebird V8-305 5.0L (1982)
f.
To check the circuit breaker, disassemble motor section of wiper and visually inspect the circuit breaker for dirty or burned contacts or solder
connections.
Fig. 14 Connections to operate compound wound round wiper motor independent of vehicle wiring
Fig. 15 Gear box relay & drive gear assembly inspection
WIPER WILL NOT SHUT OFF
Crank Arm Rotates 360 Degrees
1.
Observe if relay latch arm spring is connected properly, Fig. 15.
2.
Manually operate latch arm to check it for possible binding condition.
3.
If items in 1 and 2 check out, connect power source to wiper and connect jumper wire from terminal No. 3 to wiper housing. DO NOT make any
connections from terminal No. 1. Manually actuate latch arm in direction of arrow, Fig. 15, and observe if it remains in energized position (inside
plastic switch housing out of path of gear drive pawl). If it remains in energized position, check for grounded red lead from coil to terminal No. 1.
If red lead is not grounded, coil is probably grounded internally and relay switch should be replaced.
Recycles
Crank arm oscillates in a somewhat horizontal plane and is accompanied by a loud knock with each revolution of the gear.
1.
Check that drive pawl and relay latch arm springs are properly connected, Fig. 15.
