S15/T15 Jimmy 2WD L4-119 1.9L VIN A 2-BBL (1983)
Fig. 15 Gearbox relay & drive gear assembly inspection
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.
2.
Check wiper for ``Lo'' speed operation, Fig. 14. If wiper has ``Hi'' speed only, check the following items:
a. Solder joint at No. 3 wiper terminal.
b. Splice joint-field coil cross over splice.
c. Splice joint-black lead to field coil.
3.
Check relay switch as follows:
a. Remove small amount of insulation from black lead with pink stripe and connect test light between exposed wire and wiper housing.
b. Connect positive side of power source to terminal No. 2 and negative side to motor case. Install jumper wire from terminal No. 1 to motor
case. Observe if test light goes out once for each revolution of gear or if light glows steadily. If light glows steadily, relay switch contacts are
not opening and switch is defective. If light goes out each time drive pawl moves into relay switch slot, relay switch is functioning correctly.
WIPER HAS ONE SPEED, ``LO''
1.
Check for grounded condition in the internal black lead that connects to wiper terminal No. 3 and repair as needed.
2.
Replace defective motor.
Fig. 16 Gearbox relay terminal board resistor
WIPER HAS EXCESSIVE SPEED IN ``HI'' BUT ``LO'' SPEED IS NORMAL
1.
Check for open 20 ohm resistor and the resistor ground connection, Fig. 16.
