Intermittent Operation

Fig. 17 Connections To Operate Compound Wound Round Wiper Motor Independent Of Vehicle Wiring:

Fig. 20 Round Wiper Motor Current Draw Specifications:

1. Check solder connections at relay switch and terminal board.
2. Connect wiper to operate in LO speed, Fig. 17. Connect ammeter (range 0-30 amps) in feed wire circuit to wiper and observe current draw. Allow motor to run until it becomes hot; see Specification Chart, Fig. 20.
a. If current draw is normal and wiper cycles on and off, a weak circuit breaker is indicated. Replace brush plate assembly.
b. If current draw exceeds specification, proceed to Steps 3, 4 and 5.
3. Adjust armature endplay and recheck current draw.
4. Adjust gear assembly endplay and recheck current draw.
5. If adjustments in steps 3 and 4 fail to correct excessive current draw condition, disassemble motor section of wiper and check armature on growler for shorted or grounded condition.